mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-11 07:25:07 +01:00
4879 lines
142 KiB
C++
4879 lines
142 KiB
C++
//******************************************
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// NES MODULE
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//******************************************
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// mostly copy&pasted from "Famicom Dumper" 2019-08-31 by skaman
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// also based on "CoolArduino" by HardWareMan
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// Pinout changes: LED and CIRAM_A10
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#ifdef enable_NES
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//Line Content
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//28 Supported Mappers
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//106 Defines
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//136 Variables
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//197 Menus
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//383 Setup
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//412 No-Intro SD Database Functions
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//1125 Low Level Functions
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//1372 CRC Functions
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//1426 File Functions
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//1527 NES 2.0 Header Functions
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//1957 Config Functions
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//2760 ROM Functions
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//3951 RAM Functions
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//4384 Eeprom Functions
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//4574 NESmaker Flash Cart Functions
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/******************************************
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Supported Mappers
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*****************************************/
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// Supported Mapper Array (iNES Mapper #s)
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// Format = {mapper,prglo,prghi,chrlo,chrhi,ramlo,ramhi}
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static const byte PROGMEM mapsize [] = {
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0, 0, 1, 0, 1, 0, 2, // nrom [sram r/w]
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1, 1, 5, 0, 5, 0, 3, // mmc1 [sram r/w]
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2, 3, 4, 0, 0, 0, 0, // uxrom
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3, 0, 1, 0, 3, 0, 0, // cnrom
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4, 1, 5, 0, 6, 0, 1, // mmc3/mmc6 [sram/prgram r/w]
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5, 3, 5, 5, 7, 0, 3, // mmc5 [sram r/w]
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7, 2, 4, 0, 0, 0, 0, // axrom
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9, 3, 3, 5, 5, 0, 0, // mmc2 (punch out)
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10, 3, 4, 4, 5, 1, 1, // mmc4 [sram r/w]
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13, 1, 1, 0, 0, 0, 0, // cprom (videomation)
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16, 3, 4, 5, 6, 0, 1, // bandai x24c02 [eep r/w]
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18, 3, 4, 5, 6, 0, 1, // jaleco ss8806 [sram r/w]
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19, 3, 4, 5, 6, 0, 1, // namco 106/163 [sram/prgram r/w]
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21, 4, 4, 5, 6, 0, 1, // vrc4a/vrc4c [sram r/w]
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22, 3, 3, 5, 5, 0, 0, // vrc2a
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23, 3, 3, 5, 6, 0, 0, // vrc2b/vrc4e
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24, 4, 4, 5, 5, 0, 0, // vrc6a (akumajou densetsu)
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25, 3, 4, 5, 6, 0, 1, // vrc2c/vrc4b/vrc4d [sram r/w]
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26, 4, 4, 5, 6, 1, 1, // vrc6b [sram r/w]
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30, 4, 5, 0, 0, 0, 0, // unrom 512 (NESmaker) [UNLICENSED]
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32, 3, 4, 5, 5, 0, 0, // irem g-101
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33, 3, 4, 5, 6, 0, 0, // taito tc0190
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34, 3, 3, 0, 0, 0, 0, // bnrom [nina-1 NOT SUPPORTED]
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37, 4, 4, 6, 6, 0, 0, // (super mario bros + tetris + world cup)
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45, 3, 6, 0, 8, 0, 0, // ga23c asic multicart [UNLICENSED]
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47, 4, 4, 6, 6, 0, 0, // (super spike vball + world cup)
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48, 3, 4, 6, 6, 0, 0, // taito tc0690
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64, 2, 3, 4, 5, 0, 0, // tengen rambo-1 [UNLICENSED]
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65, 3, 4, 5, 6, 0, 0, // irem h-3001
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66, 2, 3, 2, 3, 0, 0, // gxrom/mhrom
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67, 3, 3, 5, 5, 0, 0, // sunsoft 3
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68, 3, 3, 5, 6, 0, 1, // sunsoft 4 [sram r/w]
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69, 3, 4, 5, 6, 0, 1, // sunsoft fme-7/5a/5b [sram r/w]
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70, 3, 3, 5, 5, 0, 0, // bandai
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71, 2, 4, 0, 0, 0, 0, // camerica/codemasters [UNLICENSED]
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72, 3, 3, 5, 5, 0, 0, // jaleco jf-17
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73, 3, 3, 0, 0, 0, 0, // vrc3 (salamander)
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75, 3, 3, 5, 5, 0, 0, // vrc1
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76, 3, 3, 5, 5, 0, 0, // namco 109 variant (megami tensei: digital devil story)
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77, 3, 3, 3, 3, 0, 0, // (napoleon senki)
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78, 3, 3, 5, 5, 0, 0, // irem 74hc161/32
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80, 3, 3, 5, 6, 0, 1, // taito x1-005 [prgram r/w]
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82, 3, 3, 5, 6, 0, 1, // taito x1-017 [prgram r/w]
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85, 3, 5, 0, 5, 0, 1, // vrc7 [sram r/w]
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86, 3, 3, 4, 4, 0, 0, // jaleco jf-13 (moero pro yakyuu)
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87, 0, 1, 2, 3, 0, 0,
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88, 3, 3, 5, 5, 0, 0, // namco (dxrom variant)
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89, 3, 3, 5, 5, 0, 0, // sunsoft 2 variant (tenka no goikenban: mito koumon)
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92, 4, 4, 5, 5, 0, 0, // jaleco jf-19/jf-21
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93, 3, 3, 0, 0, 0, 0, // sunsoft 2
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94, 3, 3, 0, 0, 0, 0, // hvc-un1rom (senjou no ookami)
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95, 3, 3, 3, 3, 0, 0, // namcot-3425 (dragon buster)
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96, 3, 3, 0, 0, 0, 0, // (oeka kids)
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97, 4, 4, 0, 0, 0, 0, // irem tam-s1 (kaiketsu yanchamaru)
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105, 4, 4, 0, 0, 0, 0, // (nintendo world Championships 1990) [UNTESTED]
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118, 3, 4, 5, 5, 0, 1, // txsrom/mmc3 [sram r/w]
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119, 3, 3, 4, 4, 0, 0, // tqrom/mmc3
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140, 3, 3, 3, 5, 0, 0, // jaleco jf-11/jf-14
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152, 2, 3, 5, 5, 0, 0,
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153, 5, 5, 0, 0, 1, 1, // (famicom jump ii) [sram r/w]
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154, 3, 3, 5, 5, 0, 0, // namcot-3453 (devil man)
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155, 3, 3, 3, 5, 0, 1, // mmc1 variant [sram r/w]
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158, 3, 3, 5, 5, 0, 0, // tengen rambo-1 variant (alien syndrome (u)) [UNLICENSED]
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159, 3, 4, 5, 6, 1, 1, // bandai x24c01 [eep r/w]
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180, 3, 3, 0, 0, 0, 0, // unrom variant (crazy climber)
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184, 1, 1, 2, 3, 0, 0, // sunsoft 1
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185, 0, 1, 1, 1, 0, 0, // cnrom lockout
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206, 1, 3, 2, 4, 0, 0, // dxrom
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207, 4, 4, 5, 5, 0, 0, // taito x1-005 variant (fudou myouou den)
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210, 3, 5, 5, 6, 0, 0, // namco 175/340
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};
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/******************************************
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Defines
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*****************************************/
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#define ROMSEL_HI PORTF |= (1<<1)
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#define ROMSEL_LOW PORTF &= ~(1<<1)
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#define PHI2_HI PORTF |= (1<<0)
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#define PHI2_LOW PORTF &= ~(1<<0)
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#define PRG_READ PORTF |= (1<<7)
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#define PRG_WRITE PORTF &= ~(1<<7)
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#define CHR_READ_HI PORTF |= (1<<5)
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#define CHR_READ_LOW PORTF &= ~(1<<5)
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#define CHR_WRITE_HI PORTF |= (1<<2)
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#define CHR_WRITE_LOW PORTF &= ~(1<<2)
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// RGB LED COMMON ANODE
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#define LED_RED_OFF setColor_RGB(0, 0, 0)
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#define LED_RED_ON setColor_RGB(255, 0, 0)
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#define LED_GREEN_OFF setColor_RGB(0, 0, 0)
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#define LED_GREEN_ON setColor_RGB(0, 255, 0)
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#define LED_BLUE_OFF setColor_RGB(0, 0, 0)
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#define LED_BLUE_ON setColor_RGB(0, 0, 255)
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#define MODE_READ { PORTK = 0xFF; DDRK = 0; }
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#define MODE_WRITE DDRK = 0xFF
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#define press 1
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#define doubleclick 2
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#define hold 3
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#define longhold 4
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/******************************************
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Variables
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*****************************************/
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// Mapper
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byte mapcount = (sizeof(mapsize) / sizeof(mapsize[0])) / 7;
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boolean mapfound = false;
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byte mapselect;
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int PRG[] = {16, 32, 64, 128, 256, 512, 1024};
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byte prglo = 0; // Lowest Entry
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byte prghi = 6; // Highest Entry
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int CHR[] = {0, 8, 16, 32, 64, 128, 256, 512, 1024};
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byte chrlo = 0; // Lowest Entry
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byte chrhi = 8; // Highest Entry
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byte RAM[] = {0, 8, 16, 32};
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byte ramlo = 0; // Lowest Entry
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byte ramhi = 3; // Highest Entry
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int banks;
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int prg;
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int chr;
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byte ram;
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boolean vrc4e = false;
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byte prgchk0;
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byte prgchk1;
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boolean mmc6 = false;
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byte prgchk2;
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byte prgchk3;
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int eepsize;
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byte bytecheck;
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byte firstbyte;
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boolean flashfound = false; // NESmaker 39SF040 Flash Cart
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// Files
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char fileCount[3];
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#ifndef no-intro
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FsFile nesFile;
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uint32_t prg_crc32;
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uint32_t chr_crc32;
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char filePRG[] = "PRG.bin";
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char fileCHR[] = "CHR.bin";
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char fileNES[] = "CART.nes";
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char fileBIN[] = "CART.bin";
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#endif
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// Cartridge Config
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byte mapper;
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byte newmapper;
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byte prgsize;
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byte newprgsize;
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byte chrsize;
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byte newchrsize;
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byte ramsize;
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byte newramsize;
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// Button
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int b = 0;
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/******************************************
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Menus
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*****************************************/
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// NES start menu
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static const char nesMenuItem1[] PROGMEM = "Read iNES Rom";
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static const char nesMenuItem2[] PROGMEM = "Read PRG/CHR";
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static const char nesMenuItem3[] PROGMEM = "Read Sram";
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static const char nesMenuItem4[] PROGMEM = "Write Sram";
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static const char nesMenuItem5[] PROGMEM = "Change Mapper";
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static const char nesMenuItem6[] PROGMEM = "Flash NESMaker";
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static const char nesMenuItem7[] PROGMEM = "Reset";
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static const char* const menuOptionsNES[] PROGMEM = {nesMenuItem1, nesMenuItem2, nesMenuItem3, nesMenuItem4, nesMenuItem5, nesMenuItem6, nesMenuItem7};
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// NES chips menu
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#ifndef no-intro
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static const char nesChipsMenuItem1[] PROGMEM = "Read PRG & CHR";
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#else
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static const char nesChipsMenuItem1[] PROGMEM = "Combined PRG+CHR";
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#endif
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static const char nesChipsMenuItem2[] PROGMEM = "Read only PRG";
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static const char nesChipsMenuItem3[] PROGMEM = "Read only CHR";
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static const char nesChipsMenuItem4[] PROGMEM = "Back";
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static const char* const menuOptionsNESChips[] PROGMEM = {nesChipsMenuItem1, nesChipsMenuItem2, nesChipsMenuItem3, nesChipsMenuItem4};
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// NES start menu
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void nesMenu() {
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// create menu with title "NES CART READER" and 7 options to choose from
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convertPgm(menuOptionsNES, 7);
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unsigned char answer = question_box(F("NES CART READER"), menuOptions, 7, 0);
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// wait for user choice to come back from the question box menu
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switch (answer) {
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// Read Rom
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case 0:
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#ifndef no-intro
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CartStart();
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readPRG(false);
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delay(2000);
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readCHR(false);
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delay(2000);
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outputNES();
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delay(2000);
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readRAM();
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delay(2000);
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resetROM();
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CartFinish();
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#else
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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readRom_NES();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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#ifdef global_log
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save_log();
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#endif
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display_Update();
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wait();
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#endif
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break;
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// Read single chip
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case 1:
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nesChipMenu();
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break;
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// Read RAM
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case 2:
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CreateROMFolderInSD();
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readRAM();
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resetROM();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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// Write RAM
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case 3:
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writeRAM();
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resetROM();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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// Change Mapper
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case 4:
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romName[0] = 'C';
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romName[1] = 'A';
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romName[2] = 'R';
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romName[3] = 'T';
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romName[4] = '\0';
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setMapper();
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checkMapperSize();
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setPRGSize();
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setCHRSize();
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setRAMSize();
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checkStatus_NES();
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break;
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// Write FLASH
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case 5:
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if (mapper == 30) {
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writeFLASH();
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resetROM();
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}
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else {
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display_Clear();
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println_Msg(F("Error:"));
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println_Msg(F("Can't write to this cartridge"));
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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}
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wait();
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break;
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// Reset
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case 6:
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resetArduino();
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break;
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}
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}
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void nesChipMenu() {
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// create menu with title "Select NES Chip" and 4 options to choose from
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convertPgm(menuOptionsNESChips, 4);
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unsigned char answer = question_box(F("Select NES Chip"), menuOptions, 4, 0);
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// wait for user choice to come back from the question box menu
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switch (answer) {
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// Read combined PRG/CHR
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case 0:
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#ifndef no-intro
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CreateROMFolderInSD();
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readPRG(false);
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resetROM();
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CreateROMFolderInSD();
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readCHR(false);
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resetROM();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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#else
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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readRaw_NES();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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#ifdef global_log
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save_log();
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#endif
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#endif
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display_Update();
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wait();
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break;
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// Read PRG
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case 1:
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CreateROMFolderInSD();
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readPRG(false);
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resetROM();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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// Read CHR
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case 2:
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CreateROMFolderInSD();
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readCHR(false);
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resetROM();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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// Return to Main Menu
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case 3:
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nesMenu();
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wait();
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break;
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}
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}
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/******************************************
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Setup
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*****************************************/
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void setup_NES() {
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// CPU R/W, IRQ, PPU /RD, PPU /A13, CIRAM /CE, PPU /WR, /ROMSEL, PHI2
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DDRF = 0b10110111;
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// CPU R/W, IRQ, PPU /RD, PPU /A13, CIRAM /CE, PPU /WR, /ROMSEL, PHI2
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PORTF = 0b11111111;
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// A0-A7 to Output
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DDRL = 0xFF;
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// A8-A14 to Output
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DDRA = 0xFF;
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// Set CIRAM A10 to Input
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DDRC &= ~(1 << 2);
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// Activate Internal Pullup Resistors
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PORTC |= (1 << 2);
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// Set D0-D7 to Input
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PORTK = 0xFF;
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DDRK = 0;
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set_address(0);
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LED_RED_OFF;
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LED_GREEN_OFF;
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LED_BLUE_OFF;
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}
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/******************************************
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Get Mapping from no-intro SD database
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*****************************************/
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#ifdef no-intro
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// no clue (taken from fceux)
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uint32_t uppow2(uint32_t n) {
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int x;
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for (x = 31; x >= 0; x--)
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if (n & (1u << x))
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{
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if ((1u << x) != n)
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return (1u << (x + 1));
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break;
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}
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return n;
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}
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void printPRG(unsigned long myOffset) {
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display_Clear();
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print_Msg(F("Printing PRG at "));
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println_Msg(myOffset);
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char myBuffer[3];
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for (word currLine = 0; currLine < 512; currLine += 16) {
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for (byte currByte = 0; currByte < 16; currByte++) {
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itoa (read_prg_byte(myOffset + currLine + currByte), myBuffer, 16);
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for (word i = 0; i < 2 - strlen(myBuffer); i++) {
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print_Msg(F("0"));
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}
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// Now print the significant bits
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print_Msg(myBuffer);
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print_Msg(" ");
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}
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println_Msg("");
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}
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display_Update();
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}
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boolean getMapping() {
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display_Clear();
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println_Msg(F("Searching database"));
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display_Update();
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// Read first 512 bytes of PRG ROM
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for (int x = 0; x < 512; x++) {
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sdBuffer[x] = read_prg_byte(0x8000 + x);
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}
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// Calculate CRC32
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uint32_t oldcrc32 = 0xFFFFFFFF;
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for (int c = 0; c < 512; c++) {
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oldcrc32 = updateCRC(sdBuffer[c], oldcrc32);
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}
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char crcStr[9];
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char tempStr2[2];
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char iNES_STR[33];
|
|
sprintf(crcStr, "%08lX", ~oldcrc32);
|
|
|
|
//MMC3 maps the last 8KB block of PRG ROM to 0xE000 while 0x8000 can contain random data after bootup
|
|
char crcStrMMC3[9];
|
|
// Read first 512 bytes of last block of PRG ROM
|
|
for (int x = 0; x < 512; x++) {
|
|
sdBuffer[x] = read_prg_byte(0xE000 + x);
|
|
}
|
|
// Calculate CRC32
|
|
oldcrc32 = 0xFFFFFFFF;
|
|
for (int c = 0; c < 512; c++) {
|
|
oldcrc32 = updateCRC(sdBuffer[c], oldcrc32);
|
|
}
|
|
sprintf(crcStrMMC3, "%08lX", ~oldcrc32);
|
|
|
|
print_Msg(F("for "));
|
|
print_Msg(crcStr);
|
|
if (strcmp(crcStrMMC3, crcStr) != 0) {
|
|
print_Msg(F(" or "));
|
|
print_Msg(crcStrMMC3);
|
|
}
|
|
println_Msg(F("..."));
|
|
display_Update();
|
|
|
|
// Filter out all 0xFF checksums at 0x8000 and 0xE000
|
|
if ((strcmp(crcStr, "BD7BC39F") == 0) && (strcmp(crcStrMMC3, "BD7BC39F") == 0)) {
|
|
delay(200);
|
|
println_Msg(F(""));
|
|
println_Msg(F("No data found."));
|
|
println_Msg(F("Using manual selection"));
|
|
display_Update();
|
|
delay(500);
|
|
romName[0] = 'C';
|
|
romName[1] = 'A';
|
|
romName[2] = 'R';
|
|
romName[3] = 'T';
|
|
romName[4] = '\0';
|
|
return 0;
|
|
}
|
|
else {
|
|
//Search for CRC32 in file
|
|
char gamename[100];
|
|
char crc_search[9];
|
|
|
|
//go to root
|
|
sd.chdir();
|
|
if (myFile.open("nes.txt", O_READ)) {
|
|
//Search for same CRC in list
|
|
while (myFile.available()) {
|
|
// Read game name
|
|
get_line(gamename, &myFile, 96);
|
|
|
|
// Read CRC32 checksum
|
|
sprintf(checksumStr, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(checksumStr, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekSet(myFile.curPosition() + 1);
|
|
|
|
// Read CRC32 of first 512 bytes
|
|
sprintf(crc_search, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(crc_search, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekSet(myFile.curPosition() + 1);
|
|
|
|
// Read iNES header
|
|
get_line(iNES_STR, &myFile, 33);
|
|
|
|
//Skip every 3rd line
|
|
skip_line(&myFile);
|
|
|
|
//if checksum search was successful set mapper and end search, also filter out 0xFF checksum
|
|
if (((strcmp(crc_search, crcStr) == 0) || (strcmp(crc_search, crcStrMMC3) == 0)) && (strcmp(crc_search, "BD7BC39F") != 0)) {
|
|
|
|
// Rewind to start of entry
|
|
for (byte count_newline = 0; count_newline < 4; count_newline++) {
|
|
while (1) {
|
|
if (myFile.curPosition() == 0) {
|
|
break;
|
|
}
|
|
else if (myFile.peek() == '\n') {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
break;
|
|
}
|
|
else {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
}
|
|
}
|
|
}
|
|
if (myFile.curPosition() != 0)
|
|
myFile.seekSet(myFile.curPosition() + 2);
|
|
|
|
|
|
// Display database
|
|
while (myFile.available()) {
|
|
display_Clear();
|
|
|
|
// Read game name
|
|
get_line(gamename, &myFile, 96);
|
|
|
|
// Read CRC32 checksum
|
|
sprintf(checksumStr, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(checksumStr, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekSet(myFile.curPosition() + 1);
|
|
|
|
// Read CRC32 of first 512 bytes
|
|
sprintf(crc_search, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(crc_search, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekSet(myFile.curPosition() + 1);
|
|
|
|
// Read iNES header
|
|
get_line(iNES_STR, &myFile, 33);
|
|
|
|
// Skip every 3rd line
|
|
skip_line(&myFile);
|
|
|
|
// Convert "4E4553" to (0x4E, 0x45, 0x53)
|
|
byte iNES_BUF[2];
|
|
for (byte j = 0; j < 16; j++) {
|
|
sscanf(iNES_STR + j * 2, "%2X", iNES_BUF);
|
|
iNES_HEADER[j] = iNES_BUF[0];
|
|
}
|
|
|
|
// Convert iNES garbage to useful info (thx to fceux)
|
|
mapper = (iNES_HEADER[6] >> 4);
|
|
mapper |= (iNES_HEADER[7] & 0xF0);
|
|
mapper |= ((iNES_HEADER[8] & 0x0F) << 8);
|
|
|
|
// PRG size
|
|
if ((iNES_HEADER[9] & 0x0F) != 0x0F) {
|
|
// simple notation
|
|
prgsize = (iNES_HEADER[4] | ((iNES_HEADER[9] & 0x0F) << 8)); //*16
|
|
}
|
|
else {
|
|
// exponent-multiplier notation
|
|
prgsize = (((1 << (iNES_HEADER[4] >> 2)) * ((iNES_HEADER[4] & 0b11) * 2 + 1)) >> 14); //*16
|
|
}
|
|
if (prgsize != 0)
|
|
prgsize = (int(log(prgsize) / log(2)));
|
|
|
|
// CHR size
|
|
if ((iNES_HEADER[9] & 0xF0) != 0xF0) {
|
|
// simple notation
|
|
chrsize = (uppow2(iNES_HEADER[5] | ((iNES_HEADER[9] & 0xF0) << 4))) * 2; //*4
|
|
}
|
|
else {
|
|
chrsize = (((1 << (iNES_HEADER[5] >> 2)) * ((iNES_HEADER[5] & 0b11) * 2 + 1)) >> 13) * 2; //*4
|
|
}
|
|
if (chrsize != 0)
|
|
chrsize = (int(log(chrsize) / log(2)));
|
|
|
|
// RAM size
|
|
ramsize = ((iNES_HEADER[10] & 0xF0) ? (64 << ((iNES_HEADER[10] & 0xF0) >> 4)) : 0) / 4096; //*4
|
|
if (ramsize != 0)
|
|
ramsize = (int(log(ramsize) / log(2)));
|
|
|
|
prg = (int_pow(2, prgsize)) * 16;
|
|
if (chrsize == 0)
|
|
chr = 0; // 0K
|
|
else
|
|
chr = (int_pow(2, chrsize)) * 4;
|
|
if (ramsize == 0)
|
|
ram = 0; // 0K
|
|
else if (mapper == 82)
|
|
ram = 5; // 5K
|
|
else
|
|
ram = (int_pow(2, ramsize)) * 4;
|
|
|
|
// Mapper Variants
|
|
// Identify variant for use across multiple functions
|
|
if (mapper == 4) { // Check for MMC6/MMC3
|
|
checkMMC6();
|
|
if (mmc6)
|
|
ram = 1; // 1K
|
|
}
|
|
|
|
#ifdef global_log
|
|
// Disable log to prevent unnecessary logging
|
|
dont_log = true;
|
|
#endif
|
|
println_Msg(gamename);
|
|
print_Msg(F("MAPPER: "));
|
|
println_Msg(mapper);
|
|
print_Msg(F("PRG SIZE: "));
|
|
print_Msg(prg);
|
|
println_Msg(F("K"));
|
|
print_Msg(F("CHR SIZE: "));
|
|
print_Msg(chr);
|
|
println_Msg(F("K"));
|
|
print_Msg(F("RAM SIZE: "));
|
|
if (mapper == 0) {
|
|
print_Msg(ram / 4);
|
|
println_Msg(F("K"));
|
|
}
|
|
else if ((mapper == 16) || (mapper == 80) || (mapper == 159)) {
|
|
if (mapper == 16)
|
|
print_Msg(ram * 32);
|
|
else
|
|
print_Msg(ram * 16);
|
|
println_Msg(F("B"));
|
|
}
|
|
else if (mapper == 19) {
|
|
if (ramsize == 2)
|
|
println_Msg(F("128B"));
|
|
else {
|
|
print_Msg(ram);
|
|
println_Msg(F("K"));
|
|
}
|
|
}
|
|
else {
|
|
print_Msg(ram);
|
|
println_Msg(F("K"));
|
|
}
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to Change"));
|
|
println_Msg(F("and right to Select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to Change"));
|
|
println_Msg(F("Press to Select"));
|
|
#elif defined(SERIAL_MONITOR)
|
|
println_Msg(F("U/D to Change"));
|
|
println_Msg(F("Space to Select"));
|
|
#endif
|
|
display_Update();
|
|
|
|
#ifdef global_log
|
|
// Enable log again
|
|
dont_log = false;
|
|
#endif
|
|
int b = 0;
|
|
while (1) {
|
|
// Check button input
|
|
b = checkButton();
|
|
|
|
// Next
|
|
if (b == 1) {
|
|
break;
|
|
}
|
|
|
|
// Previous
|
|
else if (b == 2) {
|
|
for (byte count_newline = 0; count_newline < 7; count_newline++) {
|
|
while (1) {
|
|
if (myFile.curPosition() == 0) {
|
|
break;
|
|
}
|
|
else if (myFile.peek() == '\n') {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
break;
|
|
}
|
|
else {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
}
|
|
}
|
|
}
|
|
if (myFile.curPosition() != 0)
|
|
myFile.seekSet(myFile.curPosition() + 2);
|
|
break;
|
|
}
|
|
|
|
// Selection
|
|
else if (b == 3) {
|
|
// Get name
|
|
byte myLength = 0;
|
|
for (unsigned int i = 0; i < 20; i++) {
|
|
// Stop at first "(" to remove "(Country)"
|
|
if (char(gamename[i]) == 40) {
|
|
break;
|
|
}
|
|
if (((char(gamename[i]) >= 48 && char(gamename[i]) <= 57) || (char(gamename[i]) >= 65 && char(gamename[i]) <= 90) || (char(gamename[i]) >= 97 && char(gamename[i]) <= 122)) && (myLength < 15)) {
|
|
romName[myLength] = char(gamename[i]);
|
|
myLength++;
|
|
}
|
|
}
|
|
|
|
// If name consists out of all japanese characters use CART as name
|
|
if (myLength == 0) {
|
|
romName[0] = 'C';
|
|
romName[1] = 'A';
|
|
romName[2] = 'R';
|
|
romName[3] = 'T';
|
|
romName[4] = '\0';
|
|
}
|
|
|
|
// Save Mapper
|
|
EEPROM_writeAnything(7, mapper);
|
|
EEPROM_writeAnything(8, prgsize);
|
|
EEPROM_writeAnything(9, chrsize);
|
|
EEPROM_writeAnything(10, ramsize);
|
|
myFile.close();
|
|
return 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// File searched until end but nothing found
|
|
println_Msg(F(""));
|
|
println_Msg(F("CRC not found in database"));
|
|
println_Msg(F("Using manual selection"));
|
|
display_Update();
|
|
delay(1000);
|
|
// Print debug
|
|
printPRG(0x8000);
|
|
printPRG(0xE000);
|
|
|
|
// Change ROM name to CART
|
|
romName[0] = 'C';
|
|
romName[1] = 'A';
|
|
romName[2] = 'R';
|
|
romName[3] = 'T';
|
|
romName[4] = '\0';
|
|
return 0;
|
|
}
|
|
else {
|
|
println_Msg(F("Database file not found"));
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void selectMapping() {
|
|
char gamename[100];
|
|
char tempStr2[2];
|
|
char iNES_STR[33];
|
|
char crc_search[9];
|
|
|
|
//go to root
|
|
sd.chdir();
|
|
|
|
// Select starting letter
|
|
byte myLetter = starting_letter();
|
|
|
|
if (myLetter == 27) {
|
|
// Change Mapper
|
|
setMapper();
|
|
checkMapperSize();
|
|
setPRGSize();
|
|
setCHRSize();
|
|
setRAMSize();
|
|
checkStatus_NES();
|
|
}
|
|
else {
|
|
// Open database
|
|
if (myFile.open("nes.txt", O_READ)) {
|
|
|
|
#ifdef global_log
|
|
// Disable log to prevent unnecessary logging
|
|
dont_log = true;
|
|
#endif
|
|
|
|
// Skip ahead to selected starting letter
|
|
if ((myLetter > 0) && (myLetter <= 26)) {
|
|
while (myFile.available()) {
|
|
// Read current name
|
|
get_line(gamename, &myFile, 96);
|
|
|
|
// Compare selected letter with first letter of current name until match
|
|
while (gamename[0] != 64 + myLetter) {
|
|
skip_line(&myFile);
|
|
skip_line(&myFile);
|
|
get_line(gamename, &myFile, 96);
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Rewind one line
|
|
for (byte count_newline = 0; count_newline < 2; count_newline++) {
|
|
while (1) {
|
|
if (myFile.curPosition() == 0) {
|
|
break;
|
|
}
|
|
else if (myFile.peek() == '\n') {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
break;
|
|
}
|
|
else {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
}
|
|
}
|
|
}
|
|
if (myFile.curPosition() != 0)
|
|
myFile.seekSet(myFile.curPosition() + 2);
|
|
}
|
|
|
|
// Display database
|
|
while (myFile.available()) {
|
|
display_Clear();
|
|
|
|
// Read game name
|
|
get_line(gamename, &myFile, 96);
|
|
|
|
// Read CRC32 checksum
|
|
sprintf(checksumStr, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(checksumStr, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekSet(myFile.curPosition() + 1);
|
|
|
|
// Read CRC32 of first 512 bytes
|
|
sprintf(crc_search, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(crc_search, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekSet(myFile.curPosition() + 1);
|
|
|
|
// Read iNES header
|
|
get_line(iNES_STR, &myFile, 33);
|
|
|
|
// Skip every 3rd line
|
|
skip_line(&myFile);
|
|
|
|
// Convert "4E4553" to (0x4E, 0x45, 0x53)
|
|
byte iNES_BUF[2];
|
|
for (byte j = 0; j < 16; j++) {
|
|
sscanf(iNES_STR + j * 2, "%2X", iNES_BUF);
|
|
iNES_HEADER[j] = iNES_BUF[0];
|
|
}
|
|
|
|
// Convert iNES garbage to useful info (thx to fceux)
|
|
mapper = (iNES_HEADER[6] >> 4);
|
|
mapper |= (iNES_HEADER[7] & 0xF0);
|
|
mapper |= ((iNES_HEADER[8] & 0x0F) << 8);
|
|
|
|
// PRG size
|
|
if ((iNES_HEADER[9] & 0x0F) != 0x0F) {
|
|
// simple notation
|
|
prgsize = (iNES_HEADER[4] | ((iNES_HEADER[9] & 0x0F) << 8)); //*16
|
|
}
|
|
else {
|
|
// exponent-multiplier notation
|
|
prgsize = (((1 << (iNES_HEADER[4] >> 2)) * ((iNES_HEADER[4] & 0b11) * 2 + 1)) >> 14); //*16
|
|
}
|
|
if (prgsize != 0)
|
|
prgsize = (int(log(prgsize) / log(2)));
|
|
|
|
// CHR size
|
|
if ((iNES_HEADER[9] & 0xF0) != 0xF0) {
|
|
// simple notation
|
|
chrsize = (uppow2(iNES_HEADER[5] | ((iNES_HEADER[9] & 0xF0) << 4))) * 2; //*4
|
|
}
|
|
else {
|
|
chrsize = (((1 << (iNES_HEADER[5] >> 2)) * ((iNES_HEADER[5] & 0b11) * 2 + 1)) >> 13) * 2; //*4
|
|
}
|
|
if (chrsize != 0)
|
|
chrsize = (int(log(chrsize) / log(2)));
|
|
|
|
// RAM size
|
|
ramsize = ((iNES_HEADER[10] & 0xF0) ? (64 << ((iNES_HEADER[10] & 0xF0) >> 4)) : 0) / 4096; //*4
|
|
if (ramsize != 0)
|
|
ramsize = (int(log(ramsize) / log(2)));
|
|
|
|
prg = (int_pow(2, prgsize)) * 16;
|
|
if (chrsize == 0)
|
|
chr = 0; // 0K
|
|
else
|
|
chr = (int_pow(2, chrsize)) * 4;
|
|
if (ramsize == 0)
|
|
ram = 0; // 0K
|
|
else if (mapper == 82)
|
|
ram = 5; // 5K
|
|
else
|
|
ram = (int_pow(2, ramsize)) * 4;
|
|
|
|
// Mapper Variants
|
|
// Identify variant for use across multiple functions
|
|
if (mapper == 4) { // Check for MMC6/MMC3
|
|
checkMMC6();
|
|
if (mmc6)
|
|
ram = 1; // 1K
|
|
}
|
|
|
|
println_Msg(gamename);
|
|
print_Msg(F("MAPPER: "));
|
|
println_Msg(mapper);
|
|
print_Msg(F("PRG SIZE: "));
|
|
print_Msg(prg);
|
|
println_Msg(F("K"));
|
|
print_Msg(F("CHR SIZE: "));
|
|
print_Msg(chr);
|
|
println_Msg(F("K"));
|
|
print_Msg(F("RAM SIZE: "));
|
|
if (mapper == 0) {
|
|
print_Msg(ram / 4);
|
|
println_Msg(F("K"));
|
|
}
|
|
else if ((mapper == 16) || (mapper == 80) || (mapper == 159)) {
|
|
if (mapper == 16)
|
|
print_Msg(ram * 32);
|
|
else
|
|
print_Msg(ram * 16);
|
|
println_Msg(F("B"));
|
|
}
|
|
else if (mapper == 19) {
|
|
if (ramsize == 2)
|
|
println_Msg(F("128B"));
|
|
else {
|
|
print_Msg(ram);
|
|
println_Msg(F("K"));
|
|
}
|
|
}
|
|
else {
|
|
print_Msg(ram);
|
|
println_Msg(F("K"));
|
|
}
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to Change"));
|
|
println_Msg(F("and right to Select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to Change"));
|
|
println_Msg(F("Press to Select"));
|
|
#elif defined(SERIAL_MONITOR)
|
|
println_Msg(F("U/D to Change"));
|
|
println_Msg(F("Space to Select"));
|
|
#endif
|
|
display_Update();
|
|
|
|
int b = 0;
|
|
while (1) {
|
|
// Check button input
|
|
b = checkButton();
|
|
|
|
// Next
|
|
if (b == 1) {
|
|
break;
|
|
}
|
|
|
|
// Previous
|
|
else if (b == 2) {
|
|
for (byte count_newline = 0; count_newline < 7; count_newline++) {
|
|
while (1) {
|
|
if (myFile.curPosition() == 0) {
|
|
break;
|
|
}
|
|
else if (myFile.peek() == '\n') {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
break;
|
|
}
|
|
else {
|
|
myFile.seekSet(myFile.curPosition() - 1);
|
|
}
|
|
}
|
|
}
|
|
if (myFile.curPosition() != 0)
|
|
myFile.seekSet(myFile.curPosition() + 2);
|
|
break;
|
|
}
|
|
|
|
// Selection
|
|
else if (b == 3) {
|
|
// Get name
|
|
byte myLength = 0;
|
|
for (unsigned int i = 0; i < 20; i++) {
|
|
// Stop at first "(" to remove "(Country)"
|
|
if (char(gamename[i]) == 40) {
|
|
break;
|
|
}
|
|
if (((char(gamename[i]) >= 48 && char(gamename[i]) <= 57) || (char(gamename[i]) >= 65 && char(gamename[i]) <= 90) || (char(gamename[i]) >= 97 && char(gamename[i]) <= 122)) && (myLength < 15)) {
|
|
romName[myLength] = char(gamename[i]);
|
|
myLength++;
|
|
}
|
|
}
|
|
|
|
// If name consists out of all japanese characters use CART as name
|
|
if (myLength == 0) {
|
|
romName[0] = 'C';
|
|
romName[1] = 'A';
|
|
romName[2] = 'R';
|
|
romName[3] = 'T';
|
|
romName[4] = '\0';
|
|
}
|
|
|
|
// Save Mapper
|
|
EEPROM_writeAnything(7, mapper);
|
|
EEPROM_writeAnything(8, prgsize);
|
|
EEPROM_writeAnything(9, chrsize);
|
|
EEPROM_writeAnything(10, ramsize);
|
|
myFile.close();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#ifdef global_log
|
|
// Enable log again
|
|
dont_log = false;
|
|
#endif
|
|
}
|
|
else {
|
|
print_Error(F("Database file not found"), true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void readRom_NES() {
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".nes");
|
|
|
|
// create a new folder
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "NES/ROM/%s/%d", romName, foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
display_Clear();
|
|
print_Msg(F("Saving to "));
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
// Open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_Error(F("SD Error"), true);
|
|
}
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(16 + prgsize * 16 * 1024 + chrsize * 4 * 1024);
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
//Write iNES header
|
|
myFile.write(iNES_HEADER, 16);
|
|
|
|
// update progress bar
|
|
processedProgressBar += 16;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
|
|
//Write PRG
|
|
readPRG(true);
|
|
|
|
// update progress bar
|
|
processedProgressBar += prgsize * 16 * 1024;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
|
|
//Write CHR
|
|
readCHR(true);
|
|
|
|
// update progress bar
|
|
processedProgressBar += chrsize * 4 * 1024;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
// Compare CRC32 with database
|
|
compareCRC("nes.txt", 0, 1, 16);
|
|
}
|
|
|
|
void readRaw_NES() {
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".bin");
|
|
|
|
// create a new folder
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "NES/ROM/%s/%d", romName, foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
display_Clear();
|
|
print_Msg(F("Saving to "));
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
// Open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_Error(F("SD Error"), true);
|
|
}
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(prgsize * 16 * 1024 + chrsize * 4 * 1024);
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
//Write PRG
|
|
readPRG(true);
|
|
|
|
// update progress bar
|
|
processedProgressBar += prgsize * 16 * 1024;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
|
|
//Write CHR
|
|
readCHR(true);
|
|
|
|
// update progress bar
|
|
processedProgressBar += chrsize * 4 * 1024;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
// Compare CRC32 with database
|
|
compareCRC("nes.txt", 0, 0, 0);
|
|
}
|
|
#endif
|
|
|
|
/******************************************
|
|
Low Level Functions
|
|
*****************************************/
|
|
static void phi2_init() {
|
|
int i = 0x80;
|
|
unsigned char h = PORTF |= (1 << 0);
|
|
unsigned char l = PORTF &= ~(1 << 0);
|
|
while (i != 0) {
|
|
PORTL = l;
|
|
PORTL = h;
|
|
i--;
|
|
}
|
|
}
|
|
|
|
static void set_address(unsigned int address) {
|
|
unsigned char l = address & 0xFF;
|
|
unsigned char h = address >> 8;
|
|
PORTL = l;
|
|
PORTA = h;
|
|
|
|
// PPU /A13
|
|
if ((address >> 13) & 1)
|
|
PORTF &= ~(1 << 4);
|
|
else
|
|
PORTF |= 1 << 4;
|
|
}
|
|
|
|
static void set_romsel(unsigned int address) {
|
|
if (address & 0x8000) {
|
|
ROMSEL_LOW;
|
|
} else {
|
|
ROMSEL_HI;
|
|
}
|
|
}
|
|
|
|
static unsigned char read_prg_byte(unsigned int address) {
|
|
MODE_READ;
|
|
PRG_READ;
|
|
set_address(address);
|
|
PHI2_HI;
|
|
set_romsel(address);
|
|
_delay_us(1);
|
|
return PINK;
|
|
}
|
|
|
|
static unsigned char read_chr_byte(unsigned int address) {
|
|
MODE_READ;
|
|
PHI2_HI;
|
|
ROMSEL_HI;
|
|
set_address(address);
|
|
CHR_READ_LOW;
|
|
_delay_us(1);
|
|
uint8_t result = PINK;
|
|
CHR_READ_HI;
|
|
return result;
|
|
}
|
|
|
|
static void write_prg_byte(unsigned int address, uint8_t data) {
|
|
PHI2_LOW;
|
|
ROMSEL_HI;
|
|
MODE_WRITE;
|
|
PRG_WRITE;
|
|
PORTK = data;
|
|
|
|
set_address(address); // PHI2 low, ROMSEL always HIGH
|
|
// _delay_us(1);
|
|
PHI2_HI;
|
|
//_delay_us(10);
|
|
set_romsel(address); // ROMSEL is low if need, PHI2 high
|
|
_delay_us(1); // WRITING
|
|
//_delay_ms(1); // WRITING
|
|
// PHI2 low, ROMSEL high
|
|
PHI2_LOW;
|
|
_delay_us(1);
|
|
ROMSEL_HI;
|
|
// Back to read mode
|
|
// _delay_us(1);
|
|
PRG_READ;
|
|
MODE_READ;
|
|
set_address(0);
|
|
// Set phi2 to high state to keep cartridge unreseted
|
|
// _delay_us(1);
|
|
PHI2_HI;
|
|
// _delay_us(1);
|
|
}
|
|
|
|
static void write_chr_byte(unsigned int address, uint8_t data) {
|
|
PHI2_LOW;
|
|
ROMSEL_HI;
|
|
MODE_WRITE;
|
|
PORTK = data;
|
|
|
|
set_address(address); // PHI2 low, ROMSEL always HIGH
|
|
//_delay_us(10);
|
|
CHR_WRITE_LOW;
|
|
_delay_us(1); // WRITING
|
|
//_delay_ms(1); // WRITING
|
|
CHR_WRITE_HI;
|
|
//_delay_us(1);
|
|
MODE_READ;
|
|
set_address(0);
|
|
PHI2_HI;
|
|
//_delay_us(1);
|
|
}
|
|
|
|
static void write_prg(unsigned int address, unsigned int len, uint8_t* data) {
|
|
LED_RED_ON;
|
|
while (len > 0) {
|
|
write_prg_byte(address, *data);
|
|
address++;
|
|
len--;
|
|
data++;
|
|
}
|
|
//_delay_ms(1);
|
|
LED_RED_OFF;
|
|
}
|
|
|
|
static void write_chr(unsigned int address, unsigned int len, uint8_t* data) {
|
|
LED_RED_ON;
|
|
while (len > 0) {
|
|
write_chr_byte(address, *data);
|
|
address++;
|
|
len--;
|
|
data++;
|
|
}
|
|
//_delay_ms(1);
|
|
LED_RED_OFF;
|
|
}
|
|
|
|
static void reset_phi2() {
|
|
LED_RED_ON;
|
|
LED_GREEN_ON;
|
|
PHI2_LOW;
|
|
ROMSEL_HI;
|
|
_delay_ms(100);
|
|
PHI2_HI;
|
|
LED_RED_OFF;
|
|
LED_GREEN_OFF;
|
|
}
|
|
|
|
void resetROM() {
|
|
set_address(0);
|
|
PHI2_HI;
|
|
ROMSEL_HI;
|
|
}
|
|
|
|
void write_mmc1_byte(unsigned int address, uint8_t data) { // write loop for 5 bit register
|
|
if (address >= 0xE000) {
|
|
for (int i = 0; i < 5; i++) {
|
|
write_reg_byte(address, data >> i); // shift 1 bit into temp register [WRITE RAM SAFE]
|
|
}
|
|
}
|
|
else {
|
|
for (int j = 0; j < 5; j++) {
|
|
write_prg_byte(address, data >> j); // shift 1 bit into temp register
|
|
}
|
|
}
|
|
}
|
|
|
|
// REFERENCE FOR REGISTER WRITE TO 0xE000/0xF000
|
|
// PORTF 7 = CPU R/W = 0
|
|
// PORTF 6 = /IRQ = 1
|
|
// PORTF 5 = PPU /RD = 1
|
|
// PORTF 4 = PPU /A13 = 1
|
|
// PORTF 3 = CIRAM /CE = 1
|
|
// PORTF 2 = PPU /WR = 1
|
|
// PORTF 1 = /ROMSEL
|
|
// PORTF 0 = PHI2 (M2)
|
|
|
|
// WRITE RAM SAFE TO REGISTERS 0xE000/0xF000
|
|
static void write_reg_byte(unsigned int address, uint8_t data) { // FIX FOR MMC1 RAM CORRUPTION
|
|
PHI2_LOW;
|
|
ROMSEL_HI; // A15 HI = E000
|
|
MODE_WRITE;
|
|
PRG_WRITE; // CPU R/W LO
|
|
PORTK = data;
|
|
|
|
set_address(address); // PHI2 low, ROMSEL always HIGH
|
|
// DIRECT PIN TO PREVENT RAM CORRUPTION
|
|
// DIFFERENCE BETWEEN M2 LO AND ROMSEL HI MUST BE AROUND 33ns
|
|
// IF TIME IS GREATER THAN 33ns THEN WRITES TO 0xE000/0xF000 WILL CORRUPT RAM AT 0x6000/0x7000
|
|
PORTF = 0b01111101; // ROMSEL LO/M2 HI
|
|
PORTF = 0b01111110; // ROMSEL HI/M2 LO
|
|
_delay_us(1);
|
|
// Back to read mode
|
|
PRG_READ;
|
|
MODE_READ;
|
|
set_address(0);
|
|
// Set phi2 to high state to keep cartridge unreseted
|
|
PHI2_HI;
|
|
}
|
|
|
|
static void write_ram_byte(unsigned int address, uint8_t data) { // Mapper 19 (Namco 106/163) WRITE RAM SAFE ($E000-$FFFF)
|
|
PHI2_LOW;
|
|
ROMSEL_HI;
|
|
MODE_WRITE;
|
|
PRG_WRITE;
|
|
PORTK = data;
|
|
|
|
set_address(address); // PHI2 low, ROMSEL always HIGH
|
|
PHI2_HI;
|
|
ROMSEL_LOW; // SET /ROMSEL LOW OTHERWISE CORRUPTS RAM
|
|
_delay_us(1); // WRITING
|
|
// PHI2 low, ROMSEL high
|
|
PHI2_LOW;
|
|
_delay_us(1);
|
|
ROMSEL_HI;
|
|
// Back to read mode
|
|
PRG_READ;
|
|
MODE_READ;
|
|
set_address(0);
|
|
// Set phi2 to high state to keep cartridge unreseted
|
|
PHI2_HI;
|
|
}
|
|
|
|
static void write_wram_byte(unsigned int address, uint8_t data) { // Mapper 5 (MMC5) RAM
|
|
PHI2_LOW;
|
|
ROMSEL_HI;
|
|
set_address(address);
|
|
PORTK = data;
|
|
|
|
_delay_us(1);
|
|
MODE_WRITE;
|
|
PRG_WRITE;
|
|
PHI2_HI;
|
|
_delay_us(1); // WRITING
|
|
PHI2_LOW;
|
|
ROMSEL_HI;
|
|
// Back to read mode
|
|
PRG_READ;
|
|
MODE_READ;
|
|
set_address(0);
|
|
// Set phi2 to high state to keep cartridge unreseted
|
|
PHI2_HI;
|
|
}
|
|
|
|
int int_pow(int base, int exp) { // Power for int
|
|
int result = 1;
|
|
while (exp) {
|
|
if (exp & 1)
|
|
result *= base;
|
|
exp /= 2;
|
|
base *= base;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/******************************************
|
|
CRC Functions
|
|
*****************************************/
|
|
FsFile crcFile;
|
|
char tempCRC[9];
|
|
|
|
uint32_t crc32(FsFile & file, uint32_t &charcnt) {
|
|
uint32_t oldcrc32 = 0xFFFFFFFF;
|
|
charcnt = 0;
|
|
while (file.available()) {
|
|
crcFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
uint8_t c = sdBuffer[x];
|
|
charcnt++;
|
|
oldcrc32 = updateCRC(c, oldcrc32);
|
|
}
|
|
}
|
|
return ~oldcrc32;
|
|
}
|
|
|
|
uint32_t crc32EEP(FsFile & file, uint32_t &charcnt) {
|
|
uint32_t oldcrc32 = 0xFFFFFFFF;
|
|
charcnt = 0;
|
|
while (file.available()) {
|
|
crcFile.read(sdBuffer, 128);
|
|
for (int x = 0; x < 128; x++) {
|
|
uint8_t c = sdBuffer[x];
|
|
charcnt++;
|
|
oldcrc32 = updateCRC(c, oldcrc32);
|
|
}
|
|
}
|
|
return ~oldcrc32;
|
|
}
|
|
|
|
void calcCRC(char* checkFile, unsigned long filesize, uint32_t* crcCopy, unsigned long offset) {
|
|
uint32_t crc;
|
|
crcFile = sd.open(checkFile);
|
|
crcFile.seek(offset);
|
|
if (filesize < 1024)
|
|
crc = crc32EEP(crcFile, filesize);
|
|
else
|
|
crc = crc32(crcFile, filesize);
|
|
crcFile.close();
|
|
sprintf(tempCRC, "%08lX", crc);
|
|
|
|
if (crcCopy != NULL) {
|
|
*crcCopy = crc;
|
|
}
|
|
|
|
print_Msg(F("CRC: "));
|
|
println_Msg(tempCRC);
|
|
display_Update();
|
|
}
|
|
|
|
/******************************************
|
|
File Functions
|
|
*****************************************/
|
|
void CreateROMFolderInSD() {
|
|
sd.chdir();
|
|
sprintf(folder, "NES/ROM");
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
}
|
|
|
|
void CreatePRGFileInSD() {
|
|
strcpy(fileName, "PRG");
|
|
strcat(fileName, ".bin");
|
|
for (byte i = 0; i < 100; i++) {
|
|
if (!sd.exists(fileName)) {
|
|
myFile = sd.open(fileName, O_RDWR | O_CREAT);
|
|
break;
|
|
}
|
|
sprintf(fileCount, "%02d", i);
|
|
strcpy(fileName, "PRG.");
|
|
strcat(fileName, fileCount);
|
|
strcat(fileName, ".bin");
|
|
}
|
|
if (!myFile) {
|
|
LED_RED_ON;
|
|
|
|
display_Clear();
|
|
println_Msg(F("PRG FILE FAILED!"));
|
|
display_Update();
|
|
print_Error(F("SD Error"), true);
|
|
|
|
LED_RED_OFF;
|
|
}
|
|
}
|
|
|
|
void CreateCHRFileInSD() {
|
|
strcpy(fileName, "CHR");
|
|
strcat(fileName, ".bin");
|
|
for (byte i = 0; i < 100; i++) {
|
|
if (!sd.exists(fileName)) {
|
|
myFile = sd.open(fileName, O_RDWR | O_CREAT);
|
|
break;
|
|
}
|
|
sprintf(fileCount, "%02d", i);
|
|
strcpy(fileName, "CHR.");
|
|
strcat(fileName, fileCount);
|
|
strcat(fileName, ".bin");
|
|
}
|
|
if (!myFile) {
|
|
LED_RED_ON;
|
|
|
|
display_Clear();
|
|
println_Msg(F("CHR FILE FAILED!"));
|
|
display_Update();
|
|
print_Error(F("SD Error"), true);
|
|
|
|
LED_RED_OFF;
|
|
}
|
|
}
|
|
|
|
void CreateRAMFileInSD() {
|
|
strcpy(fileName, "RAM");
|
|
strcat(fileName, ".bin");
|
|
for (byte i = 0; i < 100; i++) {
|
|
if (!sd.exists(fileName)) {
|
|
myFile = sd.open(fileName, O_RDWR | O_CREAT);
|
|
break;
|
|
}
|
|
sprintf(fileCount, "%02d", i);
|
|
strcpy(fileName, "RAM.");
|
|
strcat(fileName, fileCount);
|
|
strcat(fileName, ".bin");
|
|
}
|
|
if (!myFile) {
|
|
LED_RED_ON;
|
|
|
|
display_Clear();
|
|
println_Msg(F("RAM FILE FAILED!"));
|
|
display_Update();
|
|
print_Error(F("SD Error"), true);
|
|
|
|
LED_RED_OFF;
|
|
}
|
|
}
|
|
|
|
#ifndef no-intro
|
|
void CartStart() {
|
|
sd.chdir();
|
|
EEPROM_readAnything(0, foldern); // FOLDER #
|
|
sprintf(folder, "NES/CART/%d", foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
}
|
|
|
|
void CartFinish() {
|
|
foldern += 1;
|
|
EEPROM_writeAnything(0, foldern); // FOLDER #
|
|
sd.chdir();
|
|
}
|
|
#endif
|
|
|
|
/******************************************
|
|
NES 2.0 Header Functions
|
|
*****************************************/
|
|
#ifndef no-intro
|
|
int32_t atoi32_signed(const char* input_string) {
|
|
if (input_string == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
int int_sign = 1;
|
|
int i = 0;
|
|
|
|
if (input_string[0] == '-') {
|
|
int_sign = -1;
|
|
i = 1;
|
|
}
|
|
|
|
int32_t return_val = 0;
|
|
|
|
while (input_string[i] != '\0') {
|
|
if (input_string[i] >= '0' && input_string[i] <= '9') {
|
|
return_val = (return_val * 10) + (input_string[i] - '0');
|
|
} else if (input_string[i] != '\0') {
|
|
return 0;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
return_val = return_val * int_sign;
|
|
|
|
return return_val;
|
|
}
|
|
|
|
uint32_t atoi32_unsigned(const char* input_string) {
|
|
if (input_string == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
int i = 0;
|
|
|
|
uint32_t return_val = 0;
|
|
|
|
while (input_string[i] != '\0') {
|
|
if (input_string[i] >= '0' && input_string[i] <= '9') {
|
|
return_val = (return_val * 10) + (input_string[i] - '0');
|
|
} else if (input_string[i] != '\0') {
|
|
return 0;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
return return_val;
|
|
}
|
|
|
|
void outputNES() {
|
|
display_Clear();
|
|
char* outputFile;
|
|
unsigned long crcOffset = 0;
|
|
uint32_t prg_size_bytes = 1024 * (uint32_t)prg;
|
|
uint32_t chr_size_bytes = 1024 * (uint32_t)chr;
|
|
int has_header = 0;
|
|
|
|
unsigned char* nes_header_bytes = getNESHeaderForFileInfo(prg_size_bytes, chr_size_bytes, prg_crc32, chr_crc32);
|
|
|
|
if (nes_header_bytes != NULL) {
|
|
has_header = 1;
|
|
}
|
|
|
|
LED_RED_ON;
|
|
LED_GREEN_ON;
|
|
LED_BLUE_ON;
|
|
if (!myFile.open(filePRG, FILE_READ)) {
|
|
LED_GREEN_OFF;
|
|
LED_BLUE_OFF;
|
|
|
|
display_Clear();
|
|
println_Msg(F("PRG FILE FAILED!"));
|
|
display_Update();
|
|
print_Error(F("SD Error"), true);
|
|
|
|
}
|
|
|
|
if (has_header) {
|
|
outputFile = fileNES;
|
|
crcOffset = 16;
|
|
} else {
|
|
outputFile = fileBIN;
|
|
}
|
|
|
|
if (!sd.exists(outputFile)) {
|
|
nesFile = sd.open(outputFile, O_RDWR | O_CREAT);
|
|
}
|
|
if (!nesFile) {
|
|
LED_GREEN_OFF;
|
|
LED_BLUE_OFF;
|
|
|
|
display_Clear();
|
|
println_Msg(F("NES FILE FAILED!"));
|
|
display_Update();
|
|
print_Error(F("SD Error"), true);
|
|
}
|
|
|
|
if (has_header)
|
|
{
|
|
nesFile.write(nes_header_bytes, 16);
|
|
free(nes_header_bytes);
|
|
display_Clear();
|
|
println_Msg(F("SET HEADER"));
|
|
display_Update();
|
|
}
|
|
|
|
size_t n;
|
|
while ((n = myFile.read(sdBuffer, sizeof(sdBuffer))) > 0) {
|
|
nesFile.write(sdBuffer, n);
|
|
}
|
|
myFile.close();
|
|
if (sd.exists(fileCHR)) {
|
|
if (!myFile.open(fileCHR, FILE_READ)) {
|
|
LED_GREEN_OFF;
|
|
LED_BLUE_OFF;
|
|
|
|
display_Clear();
|
|
println_Msg(F("CHR FILE FAILED!"));
|
|
display_Update();
|
|
print_Error(F("SD Error"), true);
|
|
|
|
}
|
|
while ((n = myFile.read(sdBuffer, sizeof(sdBuffer))) > 0) {
|
|
nesFile.write(sdBuffer, n);
|
|
}
|
|
myFile.close();
|
|
}
|
|
nesFile.flush();
|
|
nesFile.close();
|
|
|
|
display_Clear();
|
|
if (has_header) {
|
|
println_Msg(F("NES FILE OUTPUT!"));
|
|
} else {
|
|
println_Msg(F("BIN FILE OUTPUT!"));
|
|
}
|
|
println_Msg(F(""));
|
|
display_Update();
|
|
|
|
calcCRC(outputFile, (prg + chr) * 1024, NULL, crcOffset);
|
|
LED_RED_OFF;
|
|
LED_GREEN_OFF;
|
|
LED_BLUE_OFF;
|
|
}
|
|
|
|
unsigned char* getNESHeaderForFileInfo(uint32_t prg_size, uint32_t chr_size, uint32_t prg_crc32, uint32_t chr_crc32) {
|
|
if (prg_size == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
char* temp_line;
|
|
unsigned char* nes20_header;
|
|
int i;
|
|
|
|
if (!myFile.open("/nes20db.txt", FILE_READ)) {
|
|
return NULL;
|
|
} else {
|
|
display_Clear();
|
|
println_Msg(F("SEARCHING DB"));
|
|
display_Update();
|
|
}
|
|
|
|
temp_line = (char*)malloc(256 * sizeof(char));
|
|
while (myFile.available()) {
|
|
// We're reading fixed-length lines
|
|
// padded with null characters
|
|
myFile.read(temp_line, 256);
|
|
|
|
uint32_t prg_size_db;
|
|
uint32_t chr_size_db;
|
|
uint32_t prg_crc32_db;
|
|
uint32_t chr_crc32_db;
|
|
|
|
// Match PRG and CHR sizes first, then
|
|
// match PRG CRC32 and, if the CHR size
|
|
// is greater than zero, the CHR CRC32
|
|
// as well.
|
|
prg_size_db = getPRGSizeFromDatabaseRow(temp_line);
|
|
if (prg_size == prg_size_db) {
|
|
chr_size_db = getCHRSizeFromDatabaseRow(temp_line);
|
|
if (chr_size == chr_size_db) {
|
|
prg_crc32_db = getPRGCRC32FromDatabaseRow(temp_line);
|
|
if (prg_crc32 == prg_crc32_db) {
|
|
if (chr_size == 0) {
|
|
nes20_header = getNES20HeaderBytesFromDatabaseRow(temp_line);
|
|
free(temp_line);
|
|
myFile.close();
|
|
return nes20_header;
|
|
} else {
|
|
chr_crc32_db = getCHRCRC32FromDatabaseRow(temp_line);
|
|
if (chr_crc32 == chr_crc32_db) {
|
|
nes20_header = getNES20HeaderBytesFromDatabaseRow(temp_line);
|
|
free(temp_line);
|
|
myFile.close();
|
|
return nes20_header;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
free(temp_line);
|
|
myFile.close();
|
|
return NULL;
|
|
}
|
|
|
|
// IMPORTANT: The string returned from this function MUST
|
|
// be passed to free() when ready to be disposed of, in
|
|
// order to avoid a memory leak.
|
|
char* getDatabaseFieldFromRow(const char* dbstr, uint8_t fieldnum) {
|
|
uint8_t field_start_pos = 0;
|
|
uint8_t field_end_pos = 1;
|
|
uint8_t current_field = 0;
|
|
char* return_field;
|
|
|
|
// Field order, beginning with field 0:
|
|
// PRG Size, CHR Size, PRG CRC32, CHR CRC32, Game Title, NES 2.0 Header (as ASCII)
|
|
//
|
|
// Each entry is on its own line, with a field delimeter of ^^
|
|
// I'm assuming that nothing will ever use ^^ in a game title, but it's possible
|
|
// that could be wrong, in which case a different field delimeter would need
|
|
// to be used, and the logic here updated.
|
|
if (dbstr == NULL || fieldnum > 5) {
|
|
return NULL;
|
|
}
|
|
|
|
if (dbstr[0] == 0 || dbstr[0] == '\n') {
|
|
return NULL;
|
|
}
|
|
|
|
for (; field_end_pos < 255 && current_field < fieldnum; field_end_pos++) {
|
|
if (field_start_pos < 254 && dbstr[field_start_pos] == '^' && dbstr[field_start_pos + 1] == '^') {
|
|
current_field++;
|
|
field_start_pos = field_end_pos;
|
|
field_end_pos = field_start_pos + 1;
|
|
}
|
|
|
|
if (current_field < fieldnum && dbstr[field_end_pos - 1] == '^' && dbstr[field_end_pos] == '^' || dbstr[field_end_pos] == 0 || dbstr[field_end_pos] == '\n') {
|
|
current_field++;
|
|
field_start_pos = field_end_pos + 1;
|
|
field_end_pos = field_start_pos + 1;
|
|
}
|
|
}
|
|
|
|
field_end_pos = field_start_pos;
|
|
|
|
while ((dbstr[field_end_pos - 1] != '^' || dbstr[field_end_pos] != '^') && dbstr[field_end_pos] != 0 && dbstr[field_end_pos] != '\n') {
|
|
field_end_pos++;
|
|
}
|
|
|
|
if (dbstr[field_end_pos] == '^') {
|
|
field_end_pos = field_end_pos - 2;
|
|
} else {
|
|
field_end_pos = field_end_pos - 1;
|
|
}
|
|
|
|
if ((field_end_pos - field_start_pos + 2) == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
return_field = (char*)malloc((field_end_pos - field_start_pos + 2) * sizeof(char));
|
|
|
|
memcpy(return_field, &dbstr[field_start_pos], field_end_pos - field_start_pos + 1);
|
|
|
|
return_field[(field_end_pos - field_start_pos) + 1] = 0;
|
|
|
|
return return_field;
|
|
}
|
|
|
|
unsigned char getNibbleFromChar(char num) {
|
|
char ret_char = num & 0x0F;
|
|
if (num > '9') {
|
|
ret_char += 9;
|
|
}
|
|
|
|
return ret_char;
|
|
}
|
|
|
|
unsigned char getByteFromChars(char msn, char lsn) {
|
|
unsigned char return_char;
|
|
return_char = (getNibbleFromChar(msn) << 4);
|
|
return_char |= getNibbleFromChar(lsn);
|
|
|
|
return return_char;
|
|
}
|
|
|
|
// IMPORTANT: The byte array returned from this function MUST
|
|
// be passed to free() when ready to be disposed of, in
|
|
// order to avoid a memory leak.
|
|
unsigned char* strToBytes(const char* bytestr) {
|
|
uint8_t str_length;
|
|
uint8_t byte_length;
|
|
uint8_t str_idx;
|
|
uint8_t byte_idx = 0;
|
|
unsigned char* byte_arr;
|
|
|
|
if (bytestr == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
str_length = (uint8_t)strlen(bytestr);
|
|
|
|
if (str_length % 2 != 0) {
|
|
return NULL;
|
|
}
|
|
|
|
byte_length = str_length / 2;
|
|
|
|
byte_arr = (unsigned char*)malloc(byte_length * sizeof(unsigned char));
|
|
|
|
for (str_idx = 0; str_idx < str_length && bytestr[str_idx] != 0; str_idx = str_idx + 2) {
|
|
if (!isxdigit(bytestr[str_idx]) || !isxdigit(bytestr[str_idx + 1])) {
|
|
free(byte_arr);
|
|
return NULL;
|
|
}
|
|
|
|
byte_arr[byte_idx] = getByteFromChars(bytestr[str_idx], bytestr[str_idx + 1]);
|
|
byte_idx++;
|
|
}
|
|
|
|
return byte_arr;
|
|
}
|
|
|
|
uint32_t crc32FromBytes(const unsigned char* bytearr) {
|
|
if (bytearr == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
return (uint32_t)(((uint32_t)bytearr[0] << 24) | ((uint32_t)bytearr[1] << 16) | ((uint32_t)bytearr[2] << 8) | (uint32_t)bytearr[3]);
|
|
}
|
|
|
|
uint32_t getPRGSizeFromDatabaseRow(const char* crctest) {
|
|
char* prg_size_str = getDatabaseFieldFromRow(crctest, 0);
|
|
if (prg_size_str == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t return_size = atoi32_unsigned(prg_size_str);
|
|
free(prg_size_str);
|
|
|
|
return return_size;
|
|
}
|
|
|
|
uint32_t getCHRSizeFromDatabaseRow(const char* crctest) {
|
|
char* chr_size_str = getDatabaseFieldFromRow(crctest, 1);
|
|
if (chr_size_str == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t return_size = atoi32_unsigned(chr_size_str);
|
|
free(chr_size_str);
|
|
|
|
return return_size;
|
|
}
|
|
|
|
uint32_t getPRGCRC32FromDatabaseRow(const char* crctest) {
|
|
char* prg_crc32_str = getDatabaseFieldFromRow(crctest, 2);
|
|
if (prg_crc32_str == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
unsigned char* prg_crc32_bytes = strToBytes(prg_crc32_str);
|
|
free(prg_crc32_str);
|
|
|
|
if (prg_crc32_bytes == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t prg_crc32 = crc32FromBytes(prg_crc32_bytes);
|
|
free(prg_crc32_bytes);
|
|
|
|
return prg_crc32;
|
|
}
|
|
|
|
uint64_t getCHRCRC32FromDatabaseRow(const char* crctest) {
|
|
char* chr_crc32_str = getDatabaseFieldFromRow(crctest, 3);
|
|
if (chr_crc32_str == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
unsigned char* chr_crc32_bytes = strToBytes(chr_crc32_str);
|
|
free(chr_crc32_str);
|
|
|
|
if (chr_crc32_bytes == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t chr_crc32 = crc32FromBytes(chr_crc32_bytes);
|
|
free(chr_crc32_bytes);
|
|
|
|
return chr_crc32;
|
|
}
|
|
|
|
// IMPORTANT: As with getDatabaseFieldFromRow(), the string
|
|
// returned from this function must be passed to free() after
|
|
// it's no longer needed in order to avoid a memory leak.
|
|
char* getGameTitleFromDatabaseRow(const char* crctest) {
|
|
char* game_title_str = getDatabaseFieldFromRow(crctest, 4);
|
|
|
|
return game_title_str;
|
|
}
|
|
|
|
// IMPORTANT: The byte array returned from this function MUST
|
|
// be passed to free() when ready to be disposed of, in
|
|
// order to avoid a memory leak.
|
|
unsigned char* getNES20HeaderBytesFromDatabaseRow(const char* crctest) {
|
|
char* nes_header_str = getDatabaseFieldFromRow(crctest, 5);
|
|
if (nes_header_str == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
unsigned char* nes_header_bytes = strToBytes(nes_header_str);
|
|
free(nes_header_str);
|
|
|
|
if (nes_header_bytes == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
return nes_header_bytes;
|
|
}
|
|
#endif
|
|
|
|
/******************************************
|
|
Config Functions
|
|
*****************************************/
|
|
void setMapper() {
|
|
#ifdef global_log
|
|
// Disable log to prevent unnecessary logging
|
|
dont_log = true;
|
|
#endif
|
|
|
|
// OLED
|
|
#if defined(enable_OLED)
|
|
chooseMapper:
|
|
// Read stored mapper
|
|
EEPROM_readAnything(7, newmapper);
|
|
if (newmapper > 220)
|
|
newmapper = 0;
|
|
// Split into digits
|
|
byte hundreds = newmapper / 100;
|
|
byte tens = newmapper / 10 - hundreds * 10;
|
|
byte units = newmapper - hundreds * 100 - tens * 10;
|
|
|
|
// Cycle through al 3 digits
|
|
for (byte digit = 0; digit < 3; digit++) {
|
|
while (1) {
|
|
display_Clear();
|
|
println_Msg(F("Select Mapper:"));
|
|
display.setCursor(23, 20);
|
|
println_Msg(hundreds);
|
|
display.setCursor(43, 20);
|
|
println_Msg(tens);
|
|
display.setCursor(63, 20);
|
|
println_Msg(units);
|
|
println_Msg("");
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
|
|
if (digit == 0) {
|
|
display.setDrawColor(1);
|
|
display.drawLine(20, 30, 30, 30);
|
|
display.setDrawColor(0);
|
|
display.drawLine(40, 30, 50, 30);
|
|
display.drawLine(60, 30, 70, 30);
|
|
}
|
|
else if (digit == 1) {
|
|
display.setDrawColor(0);
|
|
display.drawLine(20, 30, 30, 30);
|
|
display.setDrawColor(1);
|
|
display.drawLine(40, 30, 50, 30);
|
|
display.setDrawColor(0);
|
|
display.drawLine(60, 30, 70, 30);
|
|
}
|
|
else if (digit == 2) {
|
|
display.setDrawColor(0);
|
|
display.drawLine(20, 30, 30, 30);
|
|
display.drawLine(40, 30, 50, 30);
|
|
display.setDrawColor(1);
|
|
display.drawLine(60, 30, 70, 30);
|
|
}
|
|
|
|
/* Check Button
|
|
1 click
|
|
2 doubleClick
|
|
3 hold
|
|
4 longHold */
|
|
int b = checkButton();
|
|
|
|
if (b == 1) {
|
|
if (digit == 0) {
|
|
if (hundreds < 2)
|
|
hundreds++;
|
|
else
|
|
hundreds = 0;
|
|
}
|
|
else if (digit == 1) {
|
|
if (hundreds == 2) {
|
|
if (tens < 1)
|
|
tens++;
|
|
else
|
|
tens = 0;
|
|
}
|
|
else {
|
|
if (tens < 9)
|
|
tens++;
|
|
else
|
|
tens = 0;
|
|
}
|
|
}
|
|
else if (digit == 2) {
|
|
if (units < 9)
|
|
units++;
|
|
else
|
|
units = 0;
|
|
}
|
|
}
|
|
else if (b == 2) {
|
|
if (digit == 0) {
|
|
if (hundreds > 0)
|
|
hundreds--;
|
|
else
|
|
hundreds = 2;
|
|
}
|
|
else if (digit == 1) {
|
|
if (hundreds == 2) {
|
|
if (tens > 0)
|
|
tens--;
|
|
else
|
|
tens = 1;
|
|
}
|
|
else {
|
|
if (tens > 0)
|
|
tens--;
|
|
else
|
|
tens = 9;
|
|
}
|
|
}
|
|
else if (digit == 2) {
|
|
if (units > 0)
|
|
units--;
|
|
else
|
|
units = 9;
|
|
}
|
|
}
|
|
else if (b == 3) {
|
|
break;
|
|
}
|
|
|
|
display.display();
|
|
}
|
|
}
|
|
display_Clear();
|
|
|
|
newmapper = hundreds * 100 + tens * 10 + units;
|
|
|
|
// Check if valid
|
|
boolean validMapper = 0;
|
|
byte mapcount = (sizeof(mapsize) / sizeof(mapsize[0])) / 7;
|
|
for (byte currMaplist = 0; currMaplist < mapcount; currMaplist++) {
|
|
if (pgm_read_byte(mapsize + currMaplist * 7) == newmapper)
|
|
validMapper = 1;
|
|
}
|
|
|
|
if (!validMapper) {
|
|
errorLvl = 1;
|
|
display.println(F("Mapper not supported"));
|
|
display.display();
|
|
wait();
|
|
goto chooseMapper;
|
|
}
|
|
|
|
// LCD
|
|
#elif defined(enable_LCD)
|
|
int i = 0;
|
|
|
|
display_Clear();
|
|
mapselect = pgm_read_byte(mapsize + i * 7);
|
|
print_Msg(F("Mapper: "));
|
|
println_Msg(mapselect);
|
|
println_Msg(F(""));
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
display_Update();
|
|
|
|
while (1) {
|
|
int b = checkButton();
|
|
|
|
if (b == 2) { // Previous Mapper
|
|
if (i == 0)
|
|
i = mapcount - 1;
|
|
else
|
|
i--;
|
|
|
|
display_Clear();
|
|
mapselect = pgm_read_byte(mapsize + i * 7);
|
|
print_Msg(F("Mapper: "));
|
|
println_Msg(mapselect);
|
|
println_Msg(F(""));
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
display_Update();
|
|
}
|
|
|
|
else if (b == 1) { // Next Mapper
|
|
if (i == (mapcount - 1))
|
|
i = 0;
|
|
else
|
|
i++;
|
|
|
|
display_Clear();
|
|
mapselect = pgm_read_byte(mapsize + i * 7);
|
|
print_Msg(F("Mapper: "));
|
|
println_Msg(mapselect);
|
|
println_Msg(F(""));
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
display_Update();
|
|
}
|
|
|
|
else if (b == 3) { // Long Press - Execute
|
|
newmapper = mapselect;
|
|
break;
|
|
}
|
|
}
|
|
|
|
display.setCursor(0, 56 + 8);
|
|
print_Msg(F("MAPPER "));
|
|
print_Msg(newmapper);
|
|
println_Msg(F(" SELECTED"));
|
|
display_Update();
|
|
delay(1000);
|
|
|
|
// Serial Monitor
|
|
#elif defined(enable_serial)
|
|
setmapper:
|
|
String newmap;
|
|
mapfound = false;
|
|
Serial.println(F("SUPPORTED MAPPERS:"));
|
|
for (int i = 0; i < mapcount; i++) {
|
|
int index = i * 7;
|
|
mapselect = pgm_read_byte(mapsize + index);
|
|
Serial.print("[");
|
|
Serial.print(mapselect);
|
|
Serial.print("]");
|
|
if (i < mapcount - 1) {
|
|
if ((i != 0) && ((i + 1) % 10 == 0))
|
|
Serial.println(F(""));
|
|
else
|
|
Serial.print(F("\t"));
|
|
}
|
|
else
|
|
Serial.println(F(""));
|
|
}
|
|
Serial.print(F("Enter Mapper: "));
|
|
while (Serial.available() == 0) {}
|
|
newmap = Serial.readStringUntil('\n');
|
|
Serial.println(newmap);
|
|
newmapper = newmap.toInt();
|
|
for (int i = 0; i < mapcount; i++) {
|
|
int index = i * 7;
|
|
mapselect = pgm_read_byte(mapsize + index);
|
|
if (newmapper == mapselect)
|
|
mapfound = true;
|
|
}
|
|
if (mapfound == false) {
|
|
Serial.println(F("MAPPER NOT SUPPORTED!"));
|
|
Serial.println(F(""));
|
|
newmapper = 0;
|
|
goto setmapper;
|
|
}
|
|
#endif
|
|
EEPROM_writeAnything(7, newmapper);
|
|
mapper = newmapper;
|
|
|
|
#ifdef global_log
|
|
// Enable log again
|
|
dont_log = false;
|
|
#endif
|
|
}
|
|
|
|
void checkMapperSize() {
|
|
for (int i = 0; i < mapcount; i++) {
|
|
int index = i * 7;
|
|
byte mapcheck = pgm_read_byte(mapsize + index);
|
|
if (mapcheck == mapper) {
|
|
prglo = pgm_read_byte(mapsize + index + 1);
|
|
prghi = pgm_read_byte(mapsize + index + 2);
|
|
chrlo = pgm_read_byte(mapsize + index + 3);
|
|
chrhi = pgm_read_byte(mapsize + index + 4);
|
|
ramlo = pgm_read_byte(mapsize + index + 5);
|
|
ramhi = pgm_read_byte(mapsize + index + 6);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void setPRGSize() {
|
|
#ifdef global_log
|
|
// Disable log to prevent unnecessary logging
|
|
dont_log = true;
|
|
#endif
|
|
|
|
#if (defined(enable_LCD) || defined(enable_OLED))
|
|
display_Clear();
|
|
if (prglo == prghi)
|
|
newprgsize = prglo;
|
|
else {
|
|
b = 0;
|
|
int i = prglo;
|
|
|
|
display_Clear();
|
|
print_Msg(F("PRG Size: "));
|
|
println_Msg(PRG[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
|
|
while (1) {
|
|
b = checkButton();
|
|
|
|
if (b == doubleclick) { // Previous
|
|
if (i == prglo)
|
|
i = prghi;
|
|
else
|
|
i--;
|
|
|
|
display_Clear();
|
|
print_Msg(F("PRG Size: "));
|
|
println_Msg(PRG[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
}
|
|
if (b == press) { // Next
|
|
if (i == prghi)
|
|
i = prglo;
|
|
else
|
|
i++;
|
|
|
|
display_Clear();
|
|
print_Msg(F("PRG Size: "));
|
|
println_Msg(PRG[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
}
|
|
if (b == hold) { // Long Press - Execute
|
|
newprgsize = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
display.setCursor(0, 56); // Display selection at bottom
|
|
}
|
|
print_Msg(F("PRG SIZE "));
|
|
print_Msg(PRG[newprgsize]);
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
delay(1000);
|
|
|
|
#elif defined(enable_serial)
|
|
if (prglo == prghi)
|
|
newprgsize = prglo;
|
|
else {
|
|
setprg:
|
|
String sizePRG;
|
|
for (int i = 0; i < (prghi - prglo + 1); i++) {
|
|
Serial.print(F("Select PRG Size: "));
|
|
Serial.print(i);
|
|
Serial.print(F(" = "));
|
|
Serial.print(PRG[i + prglo]);
|
|
Serial.println(F("K"));
|
|
}
|
|
Serial.print(F("Enter PRG Size: "));
|
|
while (Serial.available() == 0) {}
|
|
sizePRG = Serial.readStringUntil('\n');
|
|
Serial.println(sizePRG);
|
|
newprgsize = sizePRG.toInt() + prglo;
|
|
if (newprgsize > prghi) {
|
|
Serial.println(F("SIZE NOT SUPPORTED"));
|
|
Serial.println(F(""));
|
|
goto setprg;
|
|
}
|
|
}
|
|
Serial.print(F("PRG Size = "));
|
|
Serial.print(PRG[newprgsize]);
|
|
Serial.println(F("K"));
|
|
#endif
|
|
EEPROM_writeAnything(8, newprgsize);
|
|
prgsize = newprgsize;
|
|
|
|
#ifdef global_log
|
|
// Enable log again
|
|
dont_log = false;
|
|
#endif
|
|
}
|
|
|
|
void setCHRSize() {
|
|
#ifdef global_log
|
|
// Disable log to prevent unnecessary logging
|
|
dont_log = true;
|
|
#endif
|
|
|
|
#if (defined(enable_LCD) || defined(enable_OLED))
|
|
display_Clear();
|
|
if (chrlo == chrhi)
|
|
newchrsize = chrlo;
|
|
else {
|
|
b = 0;
|
|
int i = chrlo;
|
|
|
|
display_Clear();
|
|
print_Msg(F("CHR Size: "));
|
|
println_Msg(CHR[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
|
|
while (1) {
|
|
b = checkButton();
|
|
|
|
if (b == doubleclick) { // Previous
|
|
if (i == chrlo)
|
|
i = chrhi;
|
|
else
|
|
i--;
|
|
|
|
display_Clear();
|
|
print_Msg(F("CHR Size: "));
|
|
println_Msg(CHR[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
}
|
|
|
|
if (b == press) { // Next
|
|
if (i == chrhi)
|
|
i = chrlo;
|
|
else
|
|
i++;
|
|
|
|
display_Clear();
|
|
print_Msg(F("CHR Size: "));
|
|
println_Msg(CHR[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
}
|
|
|
|
if (b == hold) { // Long Press - Execute
|
|
newchrsize = i;
|
|
break;
|
|
}
|
|
}
|
|
display.setCursor(0, 56); // Display selection at bottom
|
|
}
|
|
print_Msg(F("CHR SIZE "));
|
|
print_Msg(CHR[newchrsize]);
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
delay(1000);
|
|
|
|
#elif defined(enable_serial)
|
|
if (chrlo == chrhi)
|
|
newchrsize = chrlo;
|
|
else {
|
|
setchr:
|
|
String sizeCHR;
|
|
for (int i = 0; i < (chrhi - chrlo + 1); i++) {
|
|
Serial.print(F("Select CHR Size: "));
|
|
Serial.print(i);
|
|
Serial.print(F(" = "));
|
|
Serial.print(CHR[i + chrlo]);
|
|
Serial.println(F("K"));
|
|
}
|
|
Serial.print(F("Enter CHR Size: "));
|
|
while (Serial.available() == 0) {}
|
|
sizeCHR = Serial.readStringUntil('\n');
|
|
Serial.println(sizeCHR);
|
|
newchrsize = sizeCHR.toInt() + chrlo;
|
|
if (newchrsize > chrhi) {
|
|
Serial.println(F("SIZE NOT SUPPORTED"));
|
|
Serial.println(F(""));
|
|
goto setchr;
|
|
}
|
|
}
|
|
Serial.print(F("CHR Size = "));
|
|
Serial.print(CHR[newchrsize]);
|
|
Serial.println(F("K"));
|
|
#endif
|
|
EEPROM_writeAnything(9, newchrsize);
|
|
chrsize = newchrsize;
|
|
|
|
#ifdef global_log
|
|
// Enable log again
|
|
dont_log = false;
|
|
#endif
|
|
}
|
|
|
|
void setRAMSize() {
|
|
#ifdef global_log
|
|
// Disable log to prevent unnecessary logging
|
|
dont_log = true;
|
|
#endif
|
|
|
|
#if (defined(enable_LCD) || defined(enable_OLED))
|
|
display_Clear();
|
|
if (ramlo == ramhi)
|
|
newramsize = ramlo;
|
|
else {
|
|
b = 0;
|
|
int i = 0;
|
|
|
|
display_Clear();
|
|
print_Msg(F("RAM Size: "));
|
|
if (mapper == 0)
|
|
println_Msg(RAM[i] / 4);
|
|
else if (mapper == 16)
|
|
println_Msg(RAM[i] * 32);
|
|
else if (mapper == 19) {
|
|
if (i == 2)
|
|
println_Msg(F("128"));
|
|
else
|
|
println_Msg(RAM[i]);
|
|
}
|
|
else if ((mapper == 159) || (mapper == 80))
|
|
println_Msg(RAM[i] * 16);
|
|
else if (mapper == 82)
|
|
println_Msg(i * 5);
|
|
else
|
|
println_Msg(RAM[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
|
|
while (1) {
|
|
b = checkButton();
|
|
|
|
if (b == doubleclick) { // Previous Mapper
|
|
if (i == 0)
|
|
i = ramhi;
|
|
else
|
|
i--;
|
|
|
|
display_Clear();
|
|
print_Msg(F("RAM Size: "));
|
|
if (mapper == 0)
|
|
println_Msg(RAM[i] / 4);
|
|
else if (mapper == 16)
|
|
println_Msg(RAM[i] * 32);
|
|
else if (mapper == 19) {
|
|
if (i == 2)
|
|
println_Msg(F("128"));
|
|
else
|
|
println_Msg(RAM[i]);
|
|
}
|
|
else if ((mapper == 159) || (mapper == 80))
|
|
println_Msg(RAM[i] * 16);
|
|
else if (mapper == 82)
|
|
println_Msg(i * 5);
|
|
else
|
|
println_Msg(RAM[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
}
|
|
|
|
if (b == press) { // Next
|
|
if (i == ramhi)
|
|
i = 0;
|
|
else
|
|
i++;
|
|
|
|
display_Clear();
|
|
print_Msg(F("RAM Size: "));
|
|
if (mapper == 0)
|
|
println_Msg(RAM[i] / 4);
|
|
else if (mapper == 16)
|
|
println_Msg(RAM[i] * 32);
|
|
else if (mapper == 19) {
|
|
if (i == 2)
|
|
println_Msg(F("128"));
|
|
else
|
|
println_Msg(RAM[i]);
|
|
}
|
|
else if ((mapper == 159) || (mapper == 80))
|
|
println_Msg(RAM[i] * 16);
|
|
else if (mapper == 82)
|
|
println_Msg(i * 5);
|
|
else
|
|
println_Msg(RAM[i]);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
println_Msg(F("Press left to change"));
|
|
println_Msg(F("Press right to select"));
|
|
#elif defined(enable_LCD)
|
|
println_Msg(F("Rotate to change"));
|
|
println_Msg(F("Press to select"));
|
|
#endif
|
|
display_Update();
|
|
}
|
|
|
|
if (b == hold) { // Long Press - Execute
|
|
newramsize = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
display.setCursor(0, 56); // Display selection at bottom
|
|
}
|
|
if ((mapper == 16) || (mapper == 159)) {
|
|
int sizeEEP = 0;
|
|
print_Msg(F("EEPROM SIZE "));
|
|
if (mapper == 16)
|
|
sizeEEP = RAM[newramsize] * 32;
|
|
else
|
|
sizeEEP = RAM[newramsize] * 16;
|
|
print_Msg(sizeEEP);
|
|
println_Msg(F("B"));
|
|
}
|
|
else if (mapper == 19) {
|
|
print_Msg(F("RAM SIZE "));
|
|
if (newramsize == 2)
|
|
println_Msg(F("128B"));
|
|
else {
|
|
print_Msg(RAM[newramsize]);
|
|
println_Msg(F("K"));
|
|
}
|
|
}
|
|
else if (mapper == 80) {
|
|
print_Msg(F("RAM SIZE "));
|
|
print_Msg(RAM[newramsize] * 16);
|
|
println_Msg(F("B"));
|
|
}
|
|
else {
|
|
print_Msg(F("RAM SIZE "));
|
|
if (mapper == 0)
|
|
print_Msg(newramsize * 2);
|
|
else if (mapper == 82)
|
|
print_Msg(newramsize * 5);
|
|
else
|
|
print_Msg(RAM[newramsize]);
|
|
println_Msg(F("K"));
|
|
}
|
|
display_Update();
|
|
delay(1000);
|
|
|
|
#elif defined(enable_serial)
|
|
if (ramlo == ramhi)
|
|
newramsize = ramlo;
|
|
else {
|
|
setram:
|
|
String sizeRAM;
|
|
for (int i = 0; i < (ramhi - ramlo + 1); i++) {
|
|
Serial.print(F("Select RAM Size: "));
|
|
Serial.print(i);
|
|
Serial.print(F(" = "));
|
|
if (mapper == 0) {
|
|
Serial.print(RAM[i] / 4);
|
|
Serial.println(F("K"));
|
|
}
|
|
else if ((mapper == 16) || (mapper == 159)) {
|
|
if (mapper == 16)
|
|
Serial.print(RAM[i + ramlo] * 32);
|
|
else
|
|
Serial.print(RAM[i + ramlo] * 16);
|
|
Serial.println(F("B"));
|
|
}
|
|
else if (mapper == 19) {
|
|
if (i == 2)
|
|
Serial.println(F("128B"));
|
|
else {
|
|
Serial.print(RAM[i + ramlo]);
|
|
Serial.println(F("K"));
|
|
}
|
|
}
|
|
else {
|
|
Serial.print(RAM[i + ramlo]);
|
|
Serial.println(F("K"));
|
|
}
|
|
}
|
|
Serial.print(F("Enter RAM Size: "));
|
|
while (Serial.available() == 0) {}
|
|
sizeRAM = Serial.readStringUntil('\n');
|
|
Serial.println(sizeRAM);
|
|
newramsize = sizeRAM.toInt() + ramlo;
|
|
if (newramsize > ramhi) {
|
|
Serial.println(F("SIZE NOT SUPPORTED"));
|
|
Serial.println(F(""));
|
|
goto setram;
|
|
}
|
|
}
|
|
if ((mapper == 16) || (mapper == 159)) {
|
|
int sizeEEP = 0;
|
|
Serial.print(F("EEPROM Size = "));
|
|
if (mapper == 16)
|
|
sizeEEP = RAM[newramsize] * 32;
|
|
else
|
|
sizeEEP = RAM[newramsize] * 16;
|
|
Serial.print(sizeEEP);
|
|
Serial.println(F("B"));
|
|
Serial.println(F(""));
|
|
}
|
|
else if (mapper == 19) {
|
|
Serial.print(F("RAM Size = "));
|
|
if (newramsize == 2)
|
|
Serial.println(F("128B"));
|
|
else {
|
|
Serial.print(RAM[newramsize]);
|
|
Serial.println(F("K"));
|
|
}
|
|
Serial.println(F(""));
|
|
}
|
|
else if (mapper == 80) {
|
|
Serial.print(F("RAM Size = "));
|
|
Serial.print(RAM[newramsize] * 16);
|
|
Serial.println(F("B"));
|
|
Serial.println(F(""));
|
|
}
|
|
else {
|
|
Serial.print(F("RAM Size = "));
|
|
if (mapper == 0)
|
|
Serial.print(newramsize * 2);
|
|
else if (mapper == 82)
|
|
Serial.print(newramsize * 5);
|
|
else
|
|
Serial.print(RAM[newramsize]);
|
|
Serial.println(F("K"));
|
|
Serial.println(F(""));
|
|
}
|
|
#endif
|
|
EEPROM_writeAnything(10, newramsize);
|
|
ramsize = newramsize;
|
|
|
|
#ifdef global_log
|
|
// Enable log again
|
|
dont_log = false;
|
|
#endif
|
|
}
|
|
|
|
// MMC6 Detection
|
|
// Mapper 4 includes both MMC3 AND MMC6
|
|
// RAM is mapped differently between MMC3 and MMC6
|
|
void checkMMC6() { // Detect MMC6 Carts - read PRG 0x3E00A ("STARTROPICS")
|
|
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x8001, 0x1F); // 0x3E000
|
|
prgchk0 = read_prg_byte(0x800A);
|
|
prgchk1 = read_prg_byte(0x800B);
|
|
prgchk2 = read_prg_byte(0x800C);
|
|
prgchk3 = read_prg_byte(0x800D);
|
|
if ((prgchk0 == 0x53) && (prgchk1 == 0x54) && (prgchk2 == 0x41) && (prgchk3 == 0x52))
|
|
mmc6 = true; // MMC6 Cart
|
|
}
|
|
|
|
void checkStatus_NES() {
|
|
EEPROM_readAnything(7, mapper);
|
|
EEPROM_readAnything(8, prgsize);
|
|
EEPROM_readAnything(9, chrsize);
|
|
EEPROM_readAnything(10, ramsize);
|
|
prg = (int_pow(2, prgsize)) * 16;
|
|
if (chrsize == 0)
|
|
chr = 0; // 0K
|
|
else
|
|
chr = (int_pow(2, chrsize)) * 4;
|
|
if (ramsize == 0)
|
|
ram = 0; // 0K
|
|
else if (mapper == 82)
|
|
ram = 5; // 5K
|
|
else
|
|
ram = (int_pow(2, ramsize)) * 4;
|
|
|
|
// Mapper Variants
|
|
// Identify variant for use across multiple functions
|
|
if (mapper == 4) { // Check for MMC6/MMC3
|
|
checkMMC6();
|
|
if (mmc6)
|
|
ram = 1; // 1K
|
|
}
|
|
else if (mapper == 30) // Check for Flashable/Non-Flashable
|
|
NESmaker_ID(); // Flash ID
|
|
|
|
display_Clear();
|
|
println_Msg(F("NES CART READER"));
|
|
println_Msg(F(""));
|
|
println_Msg(F("CURRENT SETTINGS"));
|
|
println_Msg(F(""));
|
|
print_Msg(F("MAPPER: "));
|
|
println_Msg(mapper);
|
|
print_Msg(F("PRG SIZE: "));
|
|
print_Msg(prg);
|
|
println_Msg(F("K"));
|
|
print_Msg(F("CHR SIZE: "));
|
|
print_Msg(chr);
|
|
println_Msg(F("K"));
|
|
print_Msg(F("RAM SIZE: "));
|
|
if (mapper == 0) {
|
|
print_Msg(ram / 4);
|
|
println_Msg(F("K"));
|
|
}
|
|
else if ((mapper == 16) || (mapper == 80) || (mapper == 159)) {
|
|
if (mapper == 16)
|
|
print_Msg(ram * 32);
|
|
else
|
|
print_Msg(ram * 16);
|
|
println_Msg(F("B"));
|
|
}
|
|
else if (mapper == 19) {
|
|
if (ramsize == 2)
|
|
println_Msg(F("128B"));
|
|
else {
|
|
print_Msg(ram);
|
|
println_Msg(F("K"));
|
|
}
|
|
}
|
|
else {
|
|
print_Msg(ram);
|
|
println_Msg(F("K"));
|
|
}
|
|
println_Msg(F(""));
|
|
println_Msg(F("Press Button..."));
|
|
display_Update();
|
|
wait();
|
|
}
|
|
|
|
/******************************************
|
|
ROM Functions
|
|
*****************************************/
|
|
void dumpPRG(word base, word address) {
|
|
for (int x = 0; x < 512; x++) {
|
|
sdBuffer[x] = read_prg_byte(base + address + x);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
|
|
void dumpCHR(word address) {
|
|
for (int x = 0; x < 512; x++) {
|
|
sdBuffer[x] = read_chr_byte(address + x);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
|
|
void dumpCHR_M2(word address) { // MAPPER 45 - PULSE M2 LO/HI
|
|
for (int x = 0; x < 512; x++) {
|
|
PHI2_LOW;
|
|
sdBuffer[x] = read_chr_byte(address + x);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
|
|
void dumpMMC5RAM(word base, word address) { // MMC5 SRAM DUMP - PULSE M2 LO/HI
|
|
for (int x = 0; x < 512; x++) {
|
|
PHI2_LOW;
|
|
sdBuffer[x] = read_prg_byte(base + address + x);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
|
|
void writeMMC5RAM(word base, word address) { // MMC5 SRAM WRITE
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
do {
|
|
write_prg_byte(0x5102, 2); // PRG RAM PROTECT1
|
|
write_prg_byte(0x5103, 1); // PRG RAM PROTECT2
|
|
write_wram_byte(base + address + x, sdBuffer[x]);
|
|
bytecheck = read_prg_byte(base + address + x);
|
|
}
|
|
while (bytecheck != sdBuffer[x]); // CHECK WRITTEN BYTE
|
|
}
|
|
write_prg_byte(0x5102, 0); // PRG RAM PROTECT1
|
|
write_prg_byte(0x5103, 0); // PRG RAM PROTECT2
|
|
}
|
|
|
|
void readPRG(boolean readrom) {
|
|
if (!readrom) {
|
|
display_Clear();
|
|
display_Update();
|
|
|
|
LED_BLUE_ON;
|
|
set_address(0);
|
|
_delay_us(1);
|
|
CreatePRGFileInSD();
|
|
}
|
|
else {
|
|
set_address(0);
|
|
_delay_us(1);
|
|
}
|
|
|
|
word base = 0x8000;
|
|
|
|
if (myFile) {
|
|
switch (mapper) {
|
|
case 0:
|
|
case 3:
|
|
case 13:
|
|
case 87: // 16K/32K
|
|
case 184: // 32K
|
|
case 185: // 16K/32K
|
|
for (word address = 0; address < ((prgsize * 0x4000) + 0x4000); address += 512) { // 16K or 32K
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
case 155: // 32K/64K/128K/256K/512K
|
|
banks = int_pow(2, prgsize) - 1;
|
|
for (int i = 0; i < banks; i++) { // 16K Banks ($8000-$BFFF)
|
|
write_prg_byte(0x8000, 0x80); // Clear Register
|
|
write_mmc1_byte(0x8000, 0x0C); // Switch 16K Bank ($8000-$BFFF) + Fixed Last Bank ($C000-$FFFF)
|
|
if (prgsize > 4) // 512K
|
|
write_mmc1_byte(0xA000, 0x00); // Reset 512K Flag for Lower 256K
|
|
if (i > 15) // Switch Upper 256K
|
|
write_mmc1_byte(0xA000, 0x10); // Set 512K Flag
|
|
write_mmc1_byte(0xE000, i);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // Final Bank ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 2: // 128K/256K
|
|
for (int i = 0; i < 8; i++) { // 128K/256K
|
|
write_prg_byte(0x8000, i);
|
|
for (word address = 0x0; address < (((prgsize - 3) * 0x4000) + 0x4000); address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
case 47:
|
|
case 64:
|
|
case 118:
|
|
case 119:
|
|
case 158:
|
|
banks = ((int_pow(2, prgsize) * 2)) - 2; // Set Number of Banks
|
|
if (mapper == 47)
|
|
write_prg_byte(0xA001, 0x80); // Block Register - PRG RAM Chip Enable, Writable
|
|
for (int i = 0; i < banks; i += 2) { // 32K/64K/128K/256K/512K
|
|
if (mapper == 47) {
|
|
if (i == 0)
|
|
write_prg_byte(0x6000, 0); // Switch to Lower Block
|
|
else if (i == 16)
|
|
write_prg_byte(0x6000, 1); // Switch to Upper Block
|
|
}
|
|
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x8001, i);
|
|
write_prg_byte(0x8000, 7); // PRG Bank 1 ($A000-$BFFF)
|
|
write_prg_byte(0x8001, i + 1);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
if ((mapper == 64) || (mapper == 158)) {
|
|
write_prg_byte(0x8000, 15); // PRG Bank 2 ($C000-$DFFF)
|
|
write_prg_byte(0x8001, banks);
|
|
}
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // Final 2 Banks ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 5: // 128K/256K/512K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
write_prg_byte(0x5100, 3); // 8K PRG Banks
|
|
for (int i = 0; i < banks; i += 2) { // 128K/256K/512K
|
|
write_prg_byte(0x5114, i | 0x80);
|
|
write_prg_byte(0x5115, (i + 1) | 0x80);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 7: // 128K/256K
|
|
case 34:
|
|
case 77:
|
|
case 96: // 128K
|
|
banks = int_pow(2, prgsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 32K Banks
|
|
write_prg_byte(0x8000, i);
|
|
for (word address = 0x0; address < 0x8000; address += 512) { // 32K Banks ($8000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 9: // 128K
|
|
for (int i = 0; i < 13; i++) { // 16-3 = 13 = 128K
|
|
write_prg_byte(0xA000, i); // $8000-$9FFF
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // Switch Bank ($8000-$9FFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
for (word address = 0x2000; address < 0x8000; address += 512) { // Final 3 Banks ($A000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 10: // 128K/256K
|
|
for (int i = 0; i < (((prgsize - 3) * 8) + 7); i++) {
|
|
write_prg_byte(0xA000, i); // $8000-$BFFF
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // Switch Bank ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // Final Bank ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 16:
|
|
case 159: // 128K/256K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0x6008, i); // Submapper 4
|
|
write_prg_byte(0x8008, i); // Submapper 5
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 18: // 128K/256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0x8000, i & 0xF);
|
|
write_prg_byte(0x8001, (i >> 4) & 0xF);
|
|
write_prg_byte(0x8002, (i + 1) & 0xF);
|
|
write_prg_byte(0x8003, ((i + 1) >> 4) & 0xF);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 19: // 128K/256K
|
|
for (int j = 0; j < 64; j++) { // Init Register
|
|
write_ram_byte(0xE000, 0); // PRG Bank 0 ($8000-$9FFF)
|
|
}
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_ram_byte(0xE000, i); // PRG Bank 0 ($8000-$9FFF)
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 21: // 256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xA000, i);
|
|
for (word address = 0x2000; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 22:
|
|
case 23:
|
|
case 25:
|
|
case 65:
|
|
case 75: // 128K/256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0x8000, i);
|
|
write_prg_byte(0xA000, i + 1);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 24:
|
|
case 26: // 256K
|
|
case 78: // 128K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_prg_byte(0x8000, i);
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 30: // 256K/512K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 256K/512K
|
|
if (flashfound)
|
|
write_prg_byte(0xC000 + i, i); // Flashable
|
|
else
|
|
write_prg_byte(0x8000 + i, i); // Non-Flashable
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 32: // 128K/256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i++) { // 128K/256K
|
|
write_prg_byte(0x9000, 1); // PRG Mode 0 - Read $A000-$BFFF to avoid difference between Modes 0 and 1
|
|
write_prg_byte(0xA000, i); // PRG Bank
|
|
for (word address = 0x2000; address < 0x4000; address += 512) { // 8K Banks ($A000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 33:
|
|
case 48: // 128K/256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0x8000, i); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x8001, i + 1); // PRG Bank 1 ($A000-$BFFF)
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 8K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 37:
|
|
banks = ((int_pow(2, prgsize) * 2)) - 2; // Set Number of Banks
|
|
write_prg_byte(0xA001, 0x80); // Block Register - PRG RAM Chip Enable, Writable
|
|
for (int i = 0; i < banks; i += 2) { // 256K
|
|
if (i == 0)
|
|
write_prg_byte(0x6000, 0); // Switch to Lower Block ($0000-$FFFF)
|
|
else if (i == 8)
|
|
write_prg_byte(0x6000, 3); // Switch to 2nd 64K Block ($10000-$1FFFF)
|
|
else if (i == 16)
|
|
write_prg_byte(0x6000, 4); // Switch to 128K Block ($20000-$3FFFF)
|
|
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x8001, i);
|
|
write_prg_byte(0x8000, 7); // PRG Bank 1 ($A000-$BFFF)
|
|
write_prg_byte(0x8001, i + 1);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // Final 2 Banks ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 45: // MMC3 Clone with Outer Registers
|
|
banks = ((int_pow(2, prgsize) * 2)) - 2; // Set Number of Banks
|
|
for (int i = 0; i < banks; i += 2) { // 128K/256K/512K/1024K
|
|
// set outer bank registers
|
|
write_prg_byte(0x6000, 0x00); // CHR-OR
|
|
write_prg_byte(0x6000, (i & 0xC0)); // PRG-OR
|
|
write_prg_byte(0x6000, ((i >> 2) & 0xC0)); // CHR-AND,CHR-OR/PRG-OR
|
|
write_prg_byte(0x6000, 0x80); // PRG-AND
|
|
// set inner bank registers
|
|
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x8001, i);
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
// set outer bank registers
|
|
write_prg_byte(0x6000, 0x00); // CHR-OR
|
|
write_prg_byte(0x6000, ((i + 1) & 0xC0)); // PRG-OR
|
|
write_prg_byte(0x6000, (((i + 1) >> 2) & 0xC0)); // CHR-AND,CHR-OR/PRG-OR
|
|
write_prg_byte(0x6000, 0x80); // PRG-AND
|
|
// set inner bank registers
|
|
write_prg_byte(0x8000, 7); // PRG Bank 1 ($A000-$BFFF)
|
|
write_prg_byte(0x8001, i + 1);
|
|
for (word address = 0x2000; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // Final 2 Banks ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
break;
|
|
|
|
case 66: // 64K/128K
|
|
banks = int_pow(2, prgsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 64K/128K
|
|
write_prg_byte(0x8000, i << 4); // bits 4-5
|
|
for (word address = 0x0; address < 0x8000; address += 512) { // 32K Banks ($8000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 67: // 128K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_reg_byte(0xF800, i); // [WRITE RAM SAFE]
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 68:
|
|
case 73: // 128K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_reg_byte(0xF000, i); // [WRITE RAM SAFE]
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 69: // 128K/256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
write_prg_byte(0x8000, 8); // Command Register - PRG Bank 0
|
|
write_prg_byte(0xA000, 0); // Parameter Register - PRG RAM Disabled, PRG ROM, Bank 0 to $6000-$7FFF
|
|
for (int i = 0; i < banks; i++) { // 128K/256K
|
|
write_prg_byte(0x8000, 9); // Command Register - PRG Bank 1
|
|
write_prg_byte(0xA000, i); // Parameter Register - ($8000-$9FFF)
|
|
for (word address = 0x0000; address < 0x2000; address += 512) { // 8K Banks ($8000-$9FFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 70:
|
|
case 89:
|
|
case 152: // 64K/128K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_prg_byte(0x8000, i << 4);
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 71: // 64K/128K/256K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xC000, i);
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 72: // 128K
|
|
banks = int_pow(2, prgsize);
|
|
write_prg_byte(0x8000, 0); // Reset Register
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_prg_byte(0x8000, i | 0x80); // PRG Command + Bank
|
|
write_prg_byte(0x8000, i); // PRG Bank
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 76:
|
|
case 88:
|
|
case 95:
|
|
case 154: // 128K
|
|
case 206: // 32K/64K/128K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0x8000, 6); // PRG ROM Command ($8000-$9FFF)
|
|
write_prg_byte(0x8001, i); // PRG Bank
|
|
write_prg_byte(0x8000, 7); // PRG ROM Command ($A000-$BFFF)
|
|
write_prg_byte(0x8001, i + 1); // PRG Bank
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 8K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 80: // 128K
|
|
case 207: // 256K [CART SOMETIMES NEEDS POWERCYCLE]
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0x7EFA, i); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x7EFC, i + 1); // PRG Bank 1 ($A000-$BFFF)
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 82: // 128K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0x7EFA, i << 2); // PRG Bank 0 ($8000-$9FFF)
|
|
write_prg_byte(0x7EFB, (i + 1) << 2); // PRG Bank 1 ($A000-$BFFF)
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 8K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 85: // 128K/512K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0x8000, i); // PRG Bank 0 ($8000-$9FFF)
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // 8K Banks ($8000-$9FFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 86:
|
|
case 140: // 128K
|
|
banks = int_pow(2, prgsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_prg_byte(0x6000, i << 4); // bits 4-5
|
|
for (word address = 0x0; address < 0x8000; address += 512) { // 32K Banks ($8000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 92: // 256K
|
|
banks = int_pow(2, prgsize);
|
|
write_prg_byte(0x8000, 0); // Reset Register
|
|
for (int i = 0; i < banks; i++) { // 256K
|
|
write_prg_byte(0x8000, i | 0x80); // PRG Command + Bank
|
|
write_prg_byte(0x8000, i); // PRG Bank
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // 16K Banks ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 93:
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0x6000, i);
|
|
write_prg_byte(0x8000, i << 4 | 0x01);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 94:
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 128K
|
|
write_prg_byte(0x8000, i << 2);
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 97: // 256K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 256K
|
|
write_prg_byte(0x8000, i); // PRG Bank
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // 16K Banks ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 105: // 256K
|
|
write_mmc1_byte(0xA000, 0x00); // Clear PRG Init/IRQ (Bit 4)
|
|
write_mmc1_byte(0xA000, 0x10); // Set PRG Init/IRQ (Bit 4) to enable bank swapping
|
|
for (int i = 0; i < 4; i++) { // PRG CHIP 1 128K
|
|
write_mmc1_byte(0xA000, i << 1);
|
|
for (word address = 0x0; address < 0x8000; address += 512) { // 32K Banks ($8000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
write_mmc1_byte(0x8000, 0x0C); // Switch 16K Bank ($8000-$BFFF) + Fixed Last Bank ($C000-$FFFF)
|
|
write_mmc1_byte(0xA000, 0x08); // Select PRG CHIP 2 (Bit 3)
|
|
for (int j = 0; j < 8; j++) { // PRG CHIP 2 128K
|
|
write_mmc1_byte(0xE000, j);
|
|
for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 180: // 128K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0x8000, i);
|
|
for (word address = 0x4000; address < 0x8000; address += 512) { // 16K Banks ($C000-$FFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 153: // 512K
|
|
banks = int_pow(2, prgsize);
|
|
for (int i = 0; i < banks; i++) { // 512K
|
|
write_prg_byte(0x8000, i >> 4); // PRG Outer Bank (Documentation says duplicate over $8000-$8003 registers)
|
|
write_prg_byte(0x8001, i >> 4); // PRG Outer Bank
|
|
write_prg_byte(0x8002, i >> 4); // PRG Outer Bank
|
|
write_prg_byte(0x8003, i >> 4); // PRG Outer Bank
|
|
write_prg_byte(0x8008, i & 0xF); // PRG Inner Bank
|
|
for (word address = 0x0000; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 210: // 128K/256K
|
|
banks = int_pow(2, prgsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) {
|
|
write_prg_byte(0xE000, i); // PRG Bank 0 ($8000-$9FFF) [WRITE NO RAM]
|
|
write_prg_byte(0xE800, i + 1); // PRG Bank 1 ($A000-$BFFF) [WRITE NO RAM]
|
|
for (word address = 0x0; address < 0x4000; address += 512) {
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (!readrom) {
|
|
myFile.flush();
|
|
myFile.close();
|
|
|
|
println_Msg(F("PRG FILE DUMPED!"));
|
|
println_Msg(F(""));
|
|
display_Update();
|
|
#ifndef no-intro
|
|
calcCRC(fileName, prg * 1024, &prg_crc32, 0);
|
|
#endif
|
|
}
|
|
}
|
|
set_address(0);
|
|
PHI2_HI;
|
|
ROMSEL_HI;
|
|
LED_BLUE_OFF;
|
|
}
|
|
|
|
void readCHR(boolean readrom) {
|
|
if (!readrom) {
|
|
display_Clear();
|
|
display_Update();
|
|
}
|
|
|
|
LED_GREEN_ON;
|
|
set_address(0);
|
|
_delay_us(1);
|
|
if (chrsize == 0) {
|
|
println_Msg(F("CHR SIZE 0K"));
|
|
display_Update();
|
|
}
|
|
else {
|
|
if (!readrom) {
|
|
CreateCHRFileInSD();
|
|
}
|
|
if (myFile) {
|
|
switch (mapper) {
|
|
case 0: // 8K
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
case 155:
|
|
banks = int_pow(2, chrsize);
|
|
for (int i = 0; i < banks; i += 2) { // 8K/16K/32K/64K/128K (Bank #s are based on 4K Banks)
|
|
write_prg_byte(0x8000, 0x80); // Clear Register
|
|
write_mmc1_byte(0xA000, i);
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 3: // 8K/16K/32K
|
|
case 66: // 16K/32K
|
|
case 70:
|
|
case 152: // 128K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
write_prg_byte(0x8000, i); // CHR Bank 0
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
case 47:
|
|
case 64:
|
|
case 118:
|
|
case 119:
|
|
case 158:
|
|
banks = int_pow(2, chrsize) * 4;
|
|
if (mapper == 47)
|
|
write_prg_byte(0xA001, 0x80); // Block Register - PRG RAM Chip Enable, Writable
|
|
for (int i = 0; i < banks; i += 4) { // 8K/16K/32K/64K/128K/256K
|
|
if (mapper == 47) {
|
|
if (i == 0)
|
|
write_prg_byte(0x6000, 0); // Switch to Lower Block
|
|
else if (i == 128)
|
|
write_prg_byte(0x6000, 1); // Switch to Upper Block
|
|
}
|
|
write_prg_byte(0x8000, 0); // CHR Bank 0 ($0000-$07FF)
|
|
write_prg_byte(0x8001, i);
|
|
write_prg_byte(0x8000, 1); // CHR Bank 1 ($0800-$0FFF)
|
|
write_prg_byte(0x8001, i + 2);
|
|
for (word address = 0x0; address < 0x1000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 5: // 128K/256K/512K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
write_prg_byte(0x5101, 0); // 8K CHR Banks
|
|
for (int i = 0; i < banks; i++) {
|
|
if (i == 0)
|
|
write_prg_byte(0x5130, 0); // Set Upper 2 bits
|
|
else if (i == 8)
|
|
write_prg_byte(0x5130, 1); // Set Upper 2 bits
|
|
else if (i == 16)
|
|
write_prg_byte(0x5130, 2); // Set Upper 2 bits
|
|
else if (i == 24)
|
|
write_prg_byte(0x5130, 3); // Set Upper 2 bits
|
|
write_prg_byte(0x5127, i);
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // ($0000-$1FFF)
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 9:
|
|
case 10: // Mapper 9: 128K, Mapper 10: 64K/128K
|
|
if (mapper == 9)
|
|
banks = 32;
|
|
else // Mapper 10
|
|
banks = int_pow(2, chrsize);
|
|
for (int i = 0; i < banks; i++) { // 64K/128K
|
|
write_prg_byte(0xB000, i);
|
|
write_prg_byte(0xC000, i);
|
|
for (word address = 0x0; address < 0x1000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 16:
|
|
case 159: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0x6000, i); // Submapper 4
|
|
write_prg_byte(0x8000, i); // Submapper 5
|
|
for (word address = 0x0; address < 0x400; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 18: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xA000, i & 0xF); // CHR Bank Lower 4 bits
|
|
write_prg_byte(0xA001, (i >> 4) & 0xF); // CHR Bank Upper 4 bits
|
|
for (word address = 0x0; address < 0x400; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 19: // 128K/256K
|
|
for (int j = 0; j < 64; j++) { // Init Register
|
|
write_ram_byte(0xE800, 0xC0); // CHR RAM High/Low Disable (ROM Enable)
|
|
}
|
|
banks = int_pow(2, chrsize) * 4;
|
|
write_ram_byte(0xE800, 0xC0); // CHR RAM High/Low Disable (ROM Enable)
|
|
for (int i = 0; i < banks; i += 8) {
|
|
write_prg_byte(0x8000, i); // CHR Bank 0
|
|
write_prg_byte(0x8800, i + 1); // CHR Bank 1
|
|
write_prg_byte(0x9000, i + 2); // CHR Bank 2
|
|
write_prg_byte(0x9800, i + 3); // CHR Bank 3
|
|
write_prg_byte(0xA000, i + 4); // CHR Bank 4
|
|
write_prg_byte(0xA800, i + 5); // CHR Bank 5
|
|
write_prg_byte(0xB000, i + 6); // CHR Bank 6
|
|
write_prg_byte(0xB800, i + 7); // CHR Bank 7
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 21: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xB000, i & 0xF); // CHR Bank Lower 4 bits
|
|
if (chrsize == 5) // Check CHR Size to determine VRC4a (128K) or VRC4c (256K)
|
|
write_prg_byte(0xB002, (i >> 4) & 0xF); // CHR Bank Upper 4 bits VRC4a (Wai Wai World 2)
|
|
else // banks == 256
|
|
write_prg_byte(0xB040, (i >> 4) & 0xF); // CHR Bank Upper 4 bits VRC4c (Ganbare Goemon Gaiden 2)
|
|
for (word address = 0x0; address < 0x400; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 22: // 128K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xB000, (i << 1) & 0xF); // CHR Bank Lower 4 bits
|
|
write_prg_byte(0xB002, (i >> 3) & 0xF); // CHR Bank Upper 4 bits
|
|
for (word address = 0x0; address < 0x400; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 23: // 128K
|
|
// Detect VRC4e Carts - read PRG 0x1FFF6 (DATE)
|
|
// Boku Dracula-kun = 890810, Tiny Toon = 910809
|
|
// Crisis Force = 910701, Parodius Da! = 900916
|
|
write_prg_byte(0x8000, 15);
|
|
prgchk0 = read_prg_byte(0x9FF6);
|
|
if (prgchk0 == 0x30) { // Check for "0" in middle of date
|
|
vrc4e = true; // VRC4e Cart
|
|
}
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xB000, i & 0xF); // CHR Bank Lower 4 bits
|
|
if (vrc4e == true)
|
|
write_prg_byte(0xB004, (i >> 4) & 0xF); // CHR Bank Upper 4 bits VRC4e
|
|
else
|
|
write_prg_byte(0xB001, (i >> 4) & 0xF); // CHR Bank Upper 4 bits VRC2b/VRC4f
|
|
for (word address = 0x0; address < 0x400; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 24: // 128K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
write_prg_byte(0xB003, 0); // PPU Banking Mode 0
|
|
for (int i = 0; i < banks; i += 8) {
|
|
write_prg_byte(0xD000, i); // CHR Bank 0
|
|
write_prg_byte(0xD001, i + 1); // CHR Bank 1
|
|
write_prg_byte(0xD002, i + 2); // CHR Bank 2
|
|
write_prg_byte(0xD003, i + 3); // CHR Bank 3
|
|
write_prg_byte(0xE000, i + 4); // CHR Bank 4 [WRITE NO RAM]
|
|
write_prg_byte(0xE001, i + 5); // CHR Bank 5 [WRITE NO RAM]
|
|
write_prg_byte(0xE002, i + 6); // CHR Bank 6 [WRITE NO RAM]
|
|
write_prg_byte(0xE003, i + 7); // CHR Bank 7 [WRITE NO RAM]
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // 1K Banks
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 25: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0xB000, i & 0xF); // CHR Bank Lower 4 bits
|
|
if ((ramsize > 0) || (banks == 128)) // VRC2c (Ganbare Goemon Gaiden)/VRC4b (Bio Miracle/Gradius 2/Racer Mini)
|
|
write_prg_byte(0xB002, (i >> 4) & 0xF); // CHR Bank Upper 4 bits VRC2c/VRC4b
|
|
else
|
|
write_prg_byte(0xB008, (i >> 4) & 0xF); // CHR Bank Upper 4 bits VRC4d (Teenage Mutant Ninja Turtles)
|
|
for (word address = 0x0; address < 0x400; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 26: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
write_prg_byte(0xB003, 0x00);
|
|
for (int i = 0; i < banks; i += 4) {
|
|
write_prg_byte(0xD000, i + 0); // CHR Bank 0
|
|
write_prg_byte(0xD002, i + 1); // CHR Bank 1
|
|
write_prg_byte(0xD001, i + 2); // CHR Bank 2
|
|
write_prg_byte(0xD003, i + 3); // CHR Bank 3
|
|
for (word address = 0x0; address < 0x1000; address += 512) { // 1K Banks
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 32: // 128K
|
|
case 65: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i += 8) {
|
|
write_prg_byte(0xB000, i); // CHR Bank 0
|
|
write_prg_byte(0xB001, i + 1); // CHR Bank 1
|
|
write_prg_byte(0xB002, i + 2); // CHR Bank 2
|
|
write_prg_byte(0xB003, i + 3); // CHR Bank 3
|
|
write_prg_byte(0xB004, i + 4); // CHR Bank 4
|
|
write_prg_byte(0xB005, i + 5); // CHR Bank 5
|
|
write_prg_byte(0xB006, i + 6); // CHR Bank 6
|
|
write_prg_byte(0xB007, i + 7); // CHR Bank 7
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 33: // 128K/256K
|
|
case 48: // 256K
|
|
banks = int_pow(2, chrsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) { // 2K Banks
|
|
write_prg_byte(0x8002, i); // CHR Bank 0
|
|
write_prg_byte(0x8003, i + 1); // CHR Bank 1
|
|
for (word address = 0x0; address < 0x1000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 37:
|
|
banks = int_pow(2, chrsize) * 4;
|
|
write_prg_byte(0xA001, 0x80); // Block Register - PRG RAM Chip Enable, Writable
|
|
for (int i = 0; i < banks; i += 4) { // 256K
|
|
if (i == 0)
|
|
write_prg_byte(0x6000, 0); // Switch to Lower Block ($00000-$1FFFF)
|
|
else if (i == 128)
|
|
write_prg_byte(0x6000, 4); // Switch to Upper Block ($20000-$3FFFF)
|
|
write_prg_byte(0x8000, 0); // CHR Bank 0 ($0000-$07FF)
|
|
write_prg_byte(0x8001, i);
|
|
write_prg_byte(0x8000, 1); // CHR Bank 1 ($0800-$0FFF)
|
|
write_prg_byte(0x8001, i + 2);
|
|
for (word address = 0x0; address < 0x1000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 45: // 128K/256K/512K/1024K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
write_prg_byte(0xA001, 0x80); // Unlock Write Protection - not used by some carts
|
|
for (int i = 0; i < banks; i++) {
|
|
// set outer bank registers
|
|
write_prg_byte(0x6000, 0x00); // CHR-OR
|
|
write_prg_byte(0x6000, 0x00); // PRG-OR
|
|
write_prg_byte(0x6000, (((i / 256) << 4) | 0x0F)); // CHR-AND,CHR-OR/PRG-OR
|
|
write_prg_byte(0x6000, 0x80); // PRG-AND
|
|
// set inner bank registers
|
|
write_prg_byte(0x8000, 0x2); // CHR Bank 2 ($1000-$13FF)
|
|
write_prg_byte(0x8001, i);
|
|
for (word address = 0x1000; address < 0x1200; address += 512) {
|
|
dumpCHR_M2(address); // Read CHR with M2 Pulse
|
|
}
|
|
// set outer bank registers
|
|
write_prg_byte(0x6000, 0x00); // CHR-OR
|
|
write_prg_byte(0x6000, 0x00); // PRG-OR
|
|
write_prg_byte(0x6000, (((i / 256) << 4) | 0x0F)); // CHR-AND,CHR-OR/PRG-OR
|
|
write_prg_byte(0x6000, 0x80); // PRG-AND
|
|
// set inner bank registers
|
|
write_prg_byte(0x8000, 0x2); // CHR Bank 2 ($1000-$13FF)
|
|
write_prg_byte(0x8001, i);
|
|
for (word address = 0x1200; address < 0x1400; address += 512) {
|
|
dumpCHR_M2(address); // Read CHR with M2 Pulse
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 67: // 128K
|
|
banks = int_pow(2, chrsize) * 2;
|
|
for (int i = 0; i < banks; i += 4) { // 2K Banks
|
|
write_prg_byte(0x8800, i); // CHR Bank 0
|
|
write_prg_byte(0x9800, i + 1); // CHR Bank 1
|
|
write_prg_byte(0xA800, i + 2); // CHR Bank 2
|
|
write_prg_byte(0xB800, i + 3); // CHR Bank 3
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 68: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 2;
|
|
for (int i = 0; i < banks; i += 4) { // 2K Banks
|
|
write_prg_byte(0x8000, i); // CHR Bank 0
|
|
write_prg_byte(0x9000, i + 1); // CHR Bank 1
|
|
write_prg_byte(0xA000, i + 2); // CHR Bank 2
|
|
write_prg_byte(0xB000, i + 3); // CHR Bank 3
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 69: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i++) {
|
|
write_prg_byte(0x8000, 0); // Command Register - CHR Bank 0
|
|
write_prg_byte(0xA000, i); // Parameter Register - ($0000-$03FF)
|
|
for (word address = 0x0; address < 0x400; address += 512) { // 1K Banks
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 72: // 128K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
write_prg_byte(0x8000, 0); // Reset Register
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
write_prg_byte(0x8000, i | 0x40); // CHR Command + Bank
|
|
write_prg_byte(0x8000, i); // CHR Bank
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 75: // 128K
|
|
banks = int_pow(2, chrsize);
|
|
for (int i = 0; i < banks; i++) { // 4K Banks
|
|
write_reg_byte(0xE000, i); // CHR Bank Low Bits [WRITE RAM SAFE]
|
|
write_prg_byte(0x9000, (i & 0x10) >> 3); // High Bit
|
|
for (word address = 0x0; address < 0x1000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 76: // 128K
|
|
banks = int_pow(2, chrsize) * 2;
|
|
for (int i = 0; i < banks; i += 2) { // 2K Banks
|
|
write_prg_byte(0x8000, 2); // CHR Command ($0000-$07FF) 2K Bank
|
|
write_prg_byte(0x8001, i); // CHR Bank
|
|
write_prg_byte(0x8000, 3); // CHR Command ($0800-$0FFF) 2K Bank
|
|
write_prg_byte(0x8001, i + 1); // CHR Bank
|
|
for (word address = 0x0000; address < 0x1000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 77: // 32K
|
|
banks = int_pow(2, chrsize) * 2;
|
|
for (int i = 0; i < banks; i++) { // 2K Banks
|
|
write_prg_byte(0x8000, i << 4); // CHR Bank 0
|
|
for (word address = 0x0; address < 0x800; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 78: // 128K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
write_prg_byte(0x8000, i << 4); // CHR Bank 0
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // 8K Banks ($0000-$1FFF)
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 80: // 128K/256K
|
|
case 82: // 128K/256K
|
|
case 207: // 128K [CART SOMETIMES NEEDS POWERCYCLE]
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i += 4) {
|
|
write_prg_byte(0x7EF2, i); // CHR Bank 2 [REGISTERS 0x7EF0/0x7EF1 WON'T WORK]
|
|
write_prg_byte(0x7EF3, i + 1); // CHR Bank 3
|
|
write_prg_byte(0x7EF4, i + 2); // CHR Bank 4
|
|
write_prg_byte(0x7EF5, i + 3); // CHR Bank 5
|
|
for (word address = 0x1000; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 85: // 128K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i += 8) {
|
|
write_prg_byte(0xA000, i); // CHR Bank 0
|
|
write_prg_byte(0xA008, i + 1); // CHR Bank 1
|
|
write_prg_byte(0xB000, i + 2); // CHR Bank 2
|
|
write_prg_byte(0xB008, i + 3); // CHR Bank 3
|
|
write_prg_byte(0xC000, i + 4); // CHR Bank 4
|
|
write_prg_byte(0xC008, i + 5); // CHR Bank 5
|
|
write_prg_byte(0xD000, i + 6); // CHR Bank 6
|
|
write_prg_byte(0xD008, i + 7); // CHR Bank 7
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 86: // 64K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
if (i < 4)
|
|
write_prg_byte(0x6000, i & 0x3);
|
|
else
|
|
write_prg_byte(0x6000, (i | 0x40) & 0x43);
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 87: // 16K/32K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 16K/32K
|
|
write_prg_byte(0x6000, (((i & 0x1) << 1) | ((i & 0x2) >> 1)));
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 88: // 128K
|
|
case 95: // 32K
|
|
case 154: // 128K
|
|
case 206: // 16K/32K/64K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
for (int i = 0; i < banks; i += 2) { // 1K Banks
|
|
if (i < 64) {
|
|
write_prg_byte(0x8000, 0); // CHR Command ($0000-$07FF) 2K Bank
|
|
write_prg_byte(0x8001, i & 0x3F); // CHR Bank
|
|
for (word address = 0x0; address < 0x800; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
else {
|
|
write_prg_byte(0x8000, 2); // CHR Command ($1000-$13FF) 1K Bank
|
|
write_prg_byte(0x8001, i); // CHR Bank
|
|
write_prg_byte(0x8000, 3); // CHR Command ($1400-$17FF) 1K Bank
|
|
write_prg_byte(0x8001, i + 1); // CHR Bank
|
|
for (word address = 0x1000; address < 0x1800; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 89: // 128K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
if (i < 8)
|
|
write_prg_byte(0x8000, i & 0x7);
|
|
else
|
|
write_prg_byte(0x8000, (i | 0x80) & 0x87);
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 92: // 128K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
write_prg_byte(0x8000, 0); // Reset Register
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
write_prg_byte(0x8000, i | 0x40); // CHR Command + Bank
|
|
write_prg_byte(0x8000, i); // CHR Bank
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 140: // 32K/128K
|
|
banks = int_pow(2, chrsize) / 2;
|
|
for (int i = 0; i < banks; i++) { // 8K Banks
|
|
write_prg_byte(0x6000, i);
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 184: // 16K/32K
|
|
banks = int_pow(2, chrsize);
|
|
for (int i = 0; i < banks; i++) { // 4K Banks
|
|
write_prg_byte(0x6000, i); // CHR LOW (Bits 0-2) ($0000-$0FFF)
|
|
for (word address = 0x0; address < 0x1000; address += 512) { // 4K Banks ($0000-$0FFF)
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 185: // 8K [READ 32K TO OVERRIDE LOCKOUT]
|
|
for (int i = 0; i < 4; i++) { // Read 32K to locate valid 8K
|
|
write_prg_byte(0x8000, i);
|
|
byte chrcheck = read_chr_byte(0);
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
for (int x = 0; x < 512; x++) {
|
|
sdBuffer[x] = read_chr_byte(address + x);
|
|
}
|
|
if (chrcheck != 0xFF)
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 210: // 128K/256K
|
|
banks = int_pow(2, chrsize) * 4;
|
|
write_prg_byte(0xE800, 0xC0); // CHR RAM DISABLE (Bit 6 and 7) [WRITE NO RAM]
|
|
for (int i = 0; i < banks; i += 8) {
|
|
write_prg_byte(0x8000, i); // CHR Bank 0
|
|
write_prg_byte(0x8800, i + 1); // CHR Bank 1
|
|
write_prg_byte(0x9000, i + 2); // CHR Bank 2
|
|
write_prg_byte(0x9800, i + 3); // CHR Bank 3
|
|
write_prg_byte(0xA000, i + 4); // CHR Bank 4
|
|
write_prg_byte(0xA800, i + 5); // CHR Bank 5
|
|
write_prg_byte(0xB000, i + 6); // CHR Bank 6
|
|
write_prg_byte(0xB800, i + 7); // CHR Bank 7
|
|
for (word address = 0x0; address < 0x2000; address += 512) {
|
|
dumpCHR(address);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (!readrom) {
|
|
myFile.flush();
|
|
myFile.close();
|
|
|
|
println_Msg(F("CHR FILE DUMPED!"));
|
|
println_Msg(F(""));
|
|
display_Update();
|
|
#ifndef no-intro
|
|
calcCRC(fileName, chr * 1024, &chr_crc32, 0);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
set_address(0);
|
|
PHI2_HI;
|
|
ROMSEL_HI;
|
|
LED_GREEN_OFF;
|
|
}
|
|
|
|
/******************************************
|
|
RAM Functions
|
|
*****************************************/
|
|
void readRAM() {
|
|
display_Clear();
|
|
display_Update();
|
|
|
|
LED_BLUE_ON;
|
|
LED_GREEN_ON;
|
|
set_address(0);
|
|
_delay_us(1);
|
|
if (ramsize == 0) {
|
|
|
|
println_Msg(F("RAM SIZE 0K"));
|
|
display_Update();
|
|
}
|
|
else {
|
|
CreateRAMFileInSD();
|
|
word base = 0x6000;
|
|
if (myFile) {
|
|
switch (mapper) {
|
|
case 0: // 2K/4K
|
|
for (word address = 0x0; address < (0x800 * ramsize); address += 512) { // 2K/4K
|
|
dumpPRG(base, address); // SWITCH MUST BE IN OFF POSITION
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
case 155: // 8K/16K/32K
|
|
banks = int_pow(2, ramsize) / 2; // banks = 1,2,4
|
|
for (int i = 0; i < banks; i++) { // 8K Banks ($6000-$7FFF)
|
|
write_prg_byte(0x8000, 0x80); // Clear Register
|
|
write_mmc1_byte(0x8000, 1 << 3);
|
|
write_mmc1_byte(0xE000, 0);
|
|
if (banks == 4) // 32K
|
|
write_mmc1_byte(0xA000, i << 2);
|
|
else
|
|
write_mmc1_byte(0xA000, i << 3);
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // 8K
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 4: // 1K/8K (MMC6/MMC3)
|
|
if (mmc6) { // MMC6 1K
|
|
write_prg_byte(0x8000, 0x20); // PRG RAM ENABLE
|
|
write_prg_byte(0xA001, 0x20); // PRG RAM PROTECT - Enable reading RAM at $7000-$71FF
|
|
for (word address = 0x1000; address < 0x1200; address += 512) { // 512B
|
|
dumpMMC5RAM(base, address);
|
|
}
|
|
write_prg_byte(0x8000, 0x20); // PRG RAM ENABLE
|
|
write_prg_byte(0xA001, 0x80); // PRG RAM PROTECT - Enable reading RAM at $7200-$73FF
|
|
for (word address = 0x1200; address < 0x1400; address += 512) { // 512B
|
|
dumpMMC5RAM(base, address);
|
|
}
|
|
write_prg_byte(0x8000, 6); // PRG RAM DISABLE
|
|
}
|
|
else { // MMC3 8K
|
|
write_prg_byte(0xA001, 0xC0); // PRG RAM CHIP ENABLE - Chip Enable, Write Protect
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 5: // 8K/16K/32K
|
|
write_prg_byte(0x5100, 3); // 8K PRG Banks
|
|
banks = int_pow(2, ramsize) / 2; // banks = 1,2,4
|
|
if (banks == 2) { // 16K - Split SRAM Chips 8K/8K
|
|
for (int i = 0; i < (banks / 2); i++) { // Chip 1
|
|
write_prg_byte(0x5113, i);
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
dumpMMC5RAM(base, address);
|
|
}
|
|
}
|
|
for (int j = 4; j < (banks / 2) + 4; j++) { // Chip 2
|
|
write_prg_byte(0x5113, j);
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
dumpMMC5RAM(base, address);
|
|
}
|
|
}
|
|
}
|
|
else { // 8K/32K Single SRAM Chip
|
|
for (int i = 0; i < banks; i++) { // banks = 1 or 4
|
|
write_prg_byte(0x5113, i);
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
dumpMMC5RAM(base, address);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 16: // 256-byte EEPROM 24C02
|
|
case 159: // 128-byte EEPROM 24C01 [Little Endian]
|
|
if (mapper == 159)
|
|
eepsize = 128;
|
|
else
|
|
eepsize = 256;
|
|
for (word address = 0; address < eepsize; address++) {
|
|
EepromREAD(address);
|
|
}
|
|
myFile.write(sdBuffer, eepsize);
|
|
// display_Clear(); // TEST PURPOSES - DISPLAY EEPROM DATA
|
|
break;
|
|
|
|
case 19:
|
|
if (ramsize == 2) { // PRG RAM 128B
|
|
for (int x = 0; x < 128; x++) {
|
|
write_ram_byte(0xF800, x); // PRG RAM ENABLE
|
|
sdBuffer[x] = read_prg_byte(0x4800); // DATA PORT
|
|
}
|
|
myFile.write(sdBuffer, 128);
|
|
}
|
|
else { // SRAM 8K
|
|
for (int i = 0; i < 64; i++) { // Init Register
|
|
write_ram_byte(0xE000, 0);
|
|
}
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
dumpPRG(base, address);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 80: // 1K
|
|
write_prg_byte(0x7EF8, 0xA3); // PRG RAM ENABLE 0
|
|
write_prg_byte(0x7EF9, 0xA3); // PRG RAM ENABLE 1
|
|
for (int x = 0; x < 128; x++) { // PRG RAM 1K ($7F00-$7FFF) MIRRORED ONCE
|
|
sdBuffer[x] = read_prg_byte(0x7F00 + x);
|
|
}
|
|
myFile.write(sdBuffer, 128);
|
|
write_prg_byte(0x7EF8, 0xFF); // PRG RAM DISABLE 0
|
|
write_prg_byte(0x7EF9, 0xFF); // PRG RAM DISABLE 1
|
|
break;
|
|
|
|
case 82: // 5K
|
|
write_prg_byte(0x7EF7, 0xCA); // PRG RAM ENABLE 0 ($6000-$67FF)
|
|
write_prg_byte(0x7EF8, 0x69); // PRG RAM ENABLE 1 ($6800-$6FFF)
|
|
write_prg_byte(0x7EF9, 0x84); // PRG RAM ENABLE 2 ($7000-$73FF)
|
|
for (word address = 0x0; address < 0x1400; address += 512) { // PRG RAM 5K ($6000-$73FF)
|
|
dumpMMC5RAM(base, address);
|
|
}
|
|
write_prg_byte(0x7EF7, 0xFF); // PRG RAM DISABLE 0 ($6000-$67FF)
|
|
write_prg_byte(0x7EF8, 0xFF); // PRG RAM DISABLE 1 ($6800-$6FFF)
|
|
write_prg_byte(0x7EF9, 0xFF); // PRG RAM DISABLE 2 ($7000-$73FF)
|
|
break;
|
|
|
|
default:
|
|
if (mapper == 118) // 8K
|
|
write_prg_byte(0xA001, 0xC0); // PRG RAM CHIP ENABLE - Chip Enable, Write Protect
|
|
else if (mapper == 19) {
|
|
for (int i = 0; i < 64; i++) { // Init Register
|
|
write_ram_byte(0xE000, 0);
|
|
}
|
|
}
|
|
else if ((mapper == 21) || (mapper == 25)) // 8K
|
|
write_prg_byte(0x8000, 0);
|
|
else if (mapper == 26) // 8K
|
|
write_prg_byte(0xB003, 0x80); // PRG RAM ENABLE
|
|
else if (mapper == 68) // 8K
|
|
write_reg_byte(0xF000, 0x10); // PRG RAM ENABLE [WRITE RAM SAFE]
|
|
else if (mapper == 69) { // 8K
|
|
write_prg_byte(0x8000, 8); // Command Register - PRG Bank 0
|
|
write_prg_byte(0xA000, 0xC0); // Parameter Register - PRG RAM Enabled, PRG RAM, Bank 0 to $6000-$7FFF
|
|
}
|
|
else if (mapper == 85) // 8K
|
|
write_ram_byte(0xE000, 0x80); // PRG RAM ENABLE
|
|
else if (mapper == 153) // 8K
|
|
write_prg_byte(0x800D, 0x20); // PRG RAM Chip Enable
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
dumpPRG(base, address);
|
|
}
|
|
if (mapper == 85) // 8K
|
|
write_reg_byte(0xE000, 0); // PRG RAM DISABLE [WRITE RAM SAFE]
|
|
break;
|
|
}
|
|
myFile.flush();
|
|
myFile.close();
|
|
|
|
println_Msg(F("RAM FILE DUMPED!"));
|
|
println_Msg(F(""));
|
|
display_Update();
|
|
|
|
if ((mapper == 16) || (mapper == 159))
|
|
calcCRC(fileName, eepsize, NULL, 0);
|
|
else
|
|
calcCRC(fileName, ram * 1024, NULL, 0);
|
|
}
|
|
}
|
|
set_address(0);
|
|
PHI2_HI;
|
|
ROMSEL_HI;
|
|
LED_BLUE_OFF;
|
|
LED_GREEN_OFF;
|
|
}
|
|
|
|
void writeRAM() {
|
|
display_Clear();
|
|
|
|
if (ramsize == 0) {
|
|
print_Error(F("RAM SIZE 0K"), false);
|
|
}
|
|
else {
|
|
fileBrowser(F("Select RAM File"));
|
|
word base = 0x6000;
|
|
|
|
sd.chdir();
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
display_Clear();
|
|
println_Msg(F("Writing File: "));
|
|
println_Msg(filePath);
|
|
println_Msg(fileName);
|
|
display_Update();
|
|
|
|
//open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
switch (mapper) {
|
|
case 0: // 2K/4K
|
|
for (word address = 0x0; address < (0x800 * ramsize); address += 512) { // 2K/4K
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_prg_byte(base + address + x, sdBuffer[x]); // SWITCH MUST BE IN OFF POSITION
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
case 155:
|
|
banks = int_pow(2, ramsize) / 2; // banks = 1,2,4
|
|
for (int i = 0; i < banks; i++) { // 8K Banks ($6000-$7FFF)
|
|
write_prg_byte(0x8000, 0x80); // Clear Register
|
|
write_mmc1_byte(0x8000, 1 << 3); // PRG ROM MODE 32K
|
|
write_mmc1_byte(0xE000, 0); // PRG RAM ENABLED
|
|
if (banks == 4) // 32K
|
|
write_mmc1_byte(0xA000, i << 2);
|
|
else
|
|
write_mmc1_byte(0xA000, i << 3);
|
|
for (word address = 0x0; address < 0x2000; address += 512) { // 8K
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_prg_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 4: // 1K/8K (MMC6/MMC3)
|
|
if (mmc6) { // MMC6 1K
|
|
write_prg_byte(0x8000, 0x20); // PRG RAM ENABLE
|
|
write_prg_byte(0xA001, 0x30); // PRG RAM PROTECT - Enable reading/writing to RAM at $7000-$71FF
|
|
for (word address = 0x1000; address < 0x1200; address += 512) { // 512B
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_wram_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
write_prg_byte(0x8000, 0x20); // PRG RAM ENABLE
|
|
write_prg_byte(0xA001, 0xC0); // PRG RAM PROTECT - Enable reading/writing to RAM at $7200-$73FF
|
|
for (word address = 0x1200; address < 0x1400; address += 512) { // 512B
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_wram_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
write_prg_byte(0x8000, 0x6); // PRG RAM DISABLE
|
|
}
|
|
else { // MMC3 8K
|
|
write_prg_byte(0xA001, 0x80); // PRG RAM CHIP ENABLE - Chip Enable, Allow Writes
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_prg_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
write_prg_byte(0xA001, 0xC0); // PRG RAM CHIP ENABLE - Chip Enable, Write Protect
|
|
}
|
|
break;
|
|
|
|
case 5: // 8K/16K/32K
|
|
write_prg_byte(0x5100, 3); // 8K PRG Banks
|
|
banks = int_pow(2, ramsize) / 2; // banks = 1,2,4
|
|
if (banks == 2) { // 16K - Split SRAM Chips 8K/8K [ETROM = 16K (ONLY 1ST 8K BATTERY BACKED)]
|
|
for (int i = 0; i < (banks / 2); i++) { // Chip 1
|
|
write_prg_byte(0x5113, i);
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
writeMMC5RAM(base, address);
|
|
}
|
|
}
|
|
for (int j = 4; j < (banks / 2) + 4; j++) { // Chip 2
|
|
write_prg_byte(0x5113, j);
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
writeMMC5RAM(base, address);
|
|
}
|
|
}
|
|
}
|
|
else { // 8K/32K Single SRAM Chip [EKROM = 8K BATTERY BACKED, EWROM = 32K BATTERY BACKED]
|
|
for (int i = 0; i < banks; i++) { // banks = 1 or 4
|
|
write_prg_byte(0x5113, i);
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
writeMMC5RAM(base, address);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 16: // 256-byte EEPROM 24C02
|
|
case 159: // 128-byte EEPROM 24C01 [Little Endian]
|
|
if (mapper == 159)
|
|
eepsize = 128;
|
|
else
|
|
eepsize = 256;
|
|
myFile.read(sdBuffer, eepsize);
|
|
for (word address = 0; address < eepsize; address++) {
|
|
EepromWRITE(address);
|
|
if ((address % 128) == 0)
|
|
display_Clear();
|
|
print_Msg(F("."));
|
|
display_Update();
|
|
}
|
|
break;
|
|
|
|
case 19:
|
|
if (ramsize == 2) { // PRG RAM 128B
|
|
myFile.read(sdBuffer, 128);
|
|
for (int x = 0; x < 128; x++) {
|
|
write_ram_byte(0xF800, x); // PRG RAM ENABLE
|
|
write_prg_byte(0x4800, sdBuffer[x]); // DATA PORT
|
|
}
|
|
}
|
|
else { // SRAM 8K
|
|
for (int i = 0; i < 64; i++) { // Init Register
|
|
write_ram_byte(0xF800, 0x40); // PRG RAM WRITE ENABLE
|
|
}
|
|
write_ram_byte(0xF800, 0x40); // PRG RAM WRITE ENABLE
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_prg_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
write_ram_byte(0xF800, 0x0F); // PRG RAM WRITE PROTECT
|
|
}
|
|
break;
|
|
|
|
case 80: // 1K
|
|
write_prg_byte(0x7EF8, 0xA3); // PRG RAM ENABLE 0
|
|
write_prg_byte(0x7EF9, 0xA3); // PRG RAM ENABLE 1
|
|
for (word address = 0x1F00; address < 0x2000; address += 512) { // PRG RAM 1K ($7F00-$7FFF)
|
|
myFile.read(sdBuffer, 128);
|
|
for (int x = 0; x < 128; x++) {
|
|
write_prg_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
write_prg_byte(0x7EF8, 0xFF); // PRG RAM DISABLE 0
|
|
write_prg_byte(0x7EF9, 0xFF); // PRG RAM DISABLE 1
|
|
break;
|
|
|
|
case 82: // 5K
|
|
write_prg_byte(0x7EF7, 0xCA); // PRG RAM ENABLE 0 ($6000-$67FF)
|
|
write_prg_byte(0x7EF8, 0x69); // PRG RAM ENABLE 1 ($6800-$6FFF)
|
|
write_prg_byte(0x7EF9, 0x84); // PRG RAM ENABLE 2 ($7000-$73FF)
|
|
for (word address = 0x0; address < 0x1400; address += 1024) { // PRG RAM 5K ($6000-$73FF)
|
|
myFile.read(sdBuffer, 512);
|
|
firstbyte = sdBuffer[0];
|
|
for (int x = 0; x < 512; x++)
|
|
write_prg_byte(base + address + x, sdBuffer[x]);
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++)
|
|
write_prg_byte(base + address + x + 512, sdBuffer[x]);
|
|
write_prg_byte(base + address, firstbyte); // REWRITE 1ST BYTE
|
|
}
|
|
write_prg_byte(0x7EF7, 0xFF); // PRG RAM DISABLE 0 ($6000-$67FF)
|
|
write_prg_byte(0x7EF8, 0xFF); // PRG RAM DISABLE 1 ($6800-$6FFF)
|
|
write_prg_byte(0x7EF9, 0xFF); // PRG RAM DISABLE 2 ($7000-$73FF)
|
|
break;
|
|
|
|
default:
|
|
if (mapper == 118) // 8K
|
|
write_prg_byte(0xA001, 0x80); // PRG RAM CHIP ENABLE - Chip Enable, Allow Writes
|
|
else if ((mapper == 21) || (mapper == 25)) // 8K
|
|
write_prg_byte(0x8000, 0);
|
|
else if (mapper == 26) // 8K
|
|
write_prg_byte(0xB003, 0x80); // PRG RAM ENABLE
|
|
// else if (mapper == 68) // 8K
|
|
// write_reg_byte(0xF000, 0x10); // PRG RAM ENABLE [WRITE RAM SAFE]
|
|
else if (mapper == 69) { // 8K
|
|
write_prg_byte(0x8000, 8); // Command Register - PRG Bank 0
|
|
write_prg_byte(0xA000, 0xC0); // Parameter Register - PRG RAM Enabled, PRG RAM, Bank 0 to $6000-$7FFF
|
|
}
|
|
else if (mapper == 85) // 8K
|
|
write_ram_byte(0xE000, 0x80); // PRG RAM ENABLE
|
|
else if (mapper == 153) // 8K
|
|
write_prg_byte(0x800D, 0x20); // PRG RAM Chip Enable
|
|
for (word address = 0; address < 0x2000; address += 512) { // 8K
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
write_prg_byte(base + address + x, sdBuffer[x]);
|
|
}
|
|
}
|
|
if (mapper == 118) // 8K
|
|
write_prg_byte(0xA001, 0xC0); // PRG RAM CHIP ENABLE - Chip Enable, Write Protect
|
|
else if (mapper == 26) // 8K
|
|
write_prg_byte(0xB003, 0); // PRG RAM DISABLE
|
|
// else if (mapper == 68) // 8K
|
|
// write_reg_byte(0xF000, 0x00); // PRG RAM DISABLE [WRITE RAM SAFE]
|
|
else if (mapper == 69) { // 8K
|
|
write_prg_byte(0x8000, 8); // Command Register - PRG Bank 0
|
|
write_prg_byte(0xA000, 0); // Parameter Register - PRG RAM Disabled, PRG ROM, Bank 0 to $6000-$7FFF
|
|
}
|
|
else if (mapper == 85) // 8K
|
|
write_reg_byte(0xE000, 0); // PRG RAM DISABLE [WRITE RAM SAFE]
|
|
break;
|
|
}
|
|
myFile.close();
|
|
LED_GREEN_ON;
|
|
|
|
println_Msg(F(""));
|
|
println_Msg(F("RAM FILE WRITTEN!"));
|
|
display_Update();
|
|
|
|
}
|
|
else {
|
|
print_Error(F("SD ERROR"), true);
|
|
}
|
|
}
|
|
|
|
LED_RED_OFF;
|
|
LED_GREEN_OFF;
|
|
sd.chdir(); // root
|
|
filePath[0] = '\0'; // Reset filePath
|
|
}
|
|
|
|
/******************************************
|
|
Eeprom Functions
|
|
*****************************************/
|
|
// EEPROM MAPPING
|
|
// 00-01 FOLDER #
|
|
// 02-05 SNES/GB READER SETTINGS
|
|
// 06 LED - ON/OFF [SNES/GB]
|
|
// 07 MAPPER
|
|
// 08 PRG SIZE
|
|
// 09 CHR SIZE
|
|
// 10 RAM SIZE
|
|
|
|
void resetEEPROM() {
|
|
EEPROM_writeAnything(0, 0); // FOLDER #
|
|
EEPROM_writeAnything(2, 0); // CARTMODE
|
|
EEPROM_writeAnything(3, 0); // RETRY
|
|
EEPROM_writeAnything(4, 0); // STATUS
|
|
EEPROM_writeAnything(5, 0); // UNKNOWNCRC
|
|
EEPROM_writeAnything(6, 1); // LED (RESET TO ON)
|
|
EEPROM_writeAnything(7, 0); // MAPPER
|
|
EEPROM_writeAnything(8, 0); // PRG SIZE
|
|
EEPROM_writeAnything(9, 0); // CHR SIZE
|
|
EEPROM_writeAnything(10, 0); // RAM SIZE
|
|
}
|
|
|
|
void EepromStart_NES() {
|
|
write_prg_byte(0x800D, 0x00); // sda low, scl low
|
|
write_prg_byte(0x800D, 0x60); // sda, scl high
|
|
write_prg_byte(0x800D, 0x20); // sda low, scl high
|
|
write_prg_byte(0x800D, 0x00); // START
|
|
}
|
|
|
|
void EepromStop_NES() {
|
|
write_prg_byte(0x800D, 0x00); // sda, scl low
|
|
write_prg_byte(0x800D, 0x20); // sda low, scl high
|
|
write_prg_byte(0x800D, 0x60); // sda, scl high
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
write_prg_byte(0x800D, 0x00); // STOP
|
|
}
|
|
|
|
void EepromSet0_NES() {
|
|
write_prg_byte(0x800D, 0x00); // sda low, scl low
|
|
write_prg_byte(0x800D, 0x20); // sda low, scl high // 0
|
|
write_prg_byte(0x800D, 0x00); // sda low, scl low
|
|
}
|
|
|
|
void EepromSet1_NES() {
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
write_prg_byte(0x800D, 0x60); // sda high, scl high // 1
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
write_prg_byte(0x800D, 0x00); // sda low, scl low
|
|
}
|
|
|
|
void EepromStatus_NES() { // ACK
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
write_prg_byte(0x800D, 0x60); // sda high, scl high
|
|
write_prg_byte(0x800D, 0xE0); // sda high, scl high, read high
|
|
byte eepStatus = 1;
|
|
do {
|
|
eepStatus = (read_prg_byte(0x6000) & 0x10) >> 4;
|
|
delayMicroseconds(4);
|
|
}
|
|
while (eepStatus == 1);
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
}
|
|
|
|
void EepromReadData_NES() {
|
|
// read serial data into buffer
|
|
for (int i = 0; i < 8; i++) {
|
|
write_prg_byte(0x800D, 0x60); // sda high, scl high, read low
|
|
write_prg_byte(0x800D, 0xE0); // sda high, scl high, read high
|
|
eepbit[i] = (read_prg_byte(0x6000) & 0x10) >> 4; // Read 0x6000 with Mask 0x10 (bit 4)
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
}
|
|
}
|
|
|
|
void EepromDevice_NES() { // 24C02 ONLY
|
|
EepromSet1_NES();
|
|
EepromSet0_NES();
|
|
EepromSet1_NES();
|
|
EepromSet0_NES();
|
|
EepromSet0_NES(); // A2
|
|
EepromSet0_NES(); // A1
|
|
EepromSet0_NES(); // A0
|
|
}
|
|
|
|
void EepromReadMode_NES() {
|
|
EepromSet1_NES(); // READ
|
|
EepromStatus_NES(); // ACK
|
|
}
|
|
void EepromWriteMode_NES() {
|
|
EepromSet0_NES(); // WRITE
|
|
EepromStatus_NES(); // ACK
|
|
}
|
|
|
|
void EepromFinish_NES() {
|
|
write_prg_byte(0x800D, 0x00); // sda low, scl low
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
write_prg_byte(0x800D, 0x60); // sda high, scl high
|
|
write_prg_byte(0x800D, 0x40); // sda high, scl low
|
|
write_prg_byte(0x800D, 0x00); // sda low, scl low
|
|
}
|
|
|
|
void EepromSetAddress01(byte address) { // 24C01 [Little Endian]
|
|
for (int i = 0; i < 7; i++) {
|
|
if (address & 0x1) // Bit is HIGH
|
|
EepromSet1_NES();
|
|
else // Bit is LOW
|
|
EepromSet0_NES();
|
|
address >>= 1; // rotate to the next bit
|
|
}
|
|
}
|
|
|
|
void EepromSetAddress02(byte address) { // 24C02
|
|
for (int i = 0; i < 8; i++) {
|
|
if ((address >> 7) & 0x1) // Bit is HIGH
|
|
EepromSet1_NES();
|
|
else // Bit is LOW
|
|
EepromSet0_NES();
|
|
address <<= 1; // rotate to the next bit
|
|
}
|
|
EepromStatus_NES(); // ACK
|
|
}
|
|
|
|
void EepromWriteData01() { // 24C01 [Little Endian]
|
|
for (int i = 0; i < 8; i++) {
|
|
if (eeptemp & 0x1) // Bit is HIGH
|
|
EepromSet1_NES();
|
|
else // Bit is LOW
|
|
EepromSet0_NES();
|
|
eeptemp >>= 1; // rotate to the next bit
|
|
}
|
|
EepromStatus_NES(); // ACK
|
|
}
|
|
|
|
void EepromWriteData02() { // 24C02
|
|
for (int i = 0; i < 8; i++) {
|
|
if ((eeptemp >> 7) & 0x1) // Bit is HIGH
|
|
EepromSet1_NES();
|
|
else // Bit is LOW
|
|
EepromSet0_NES();
|
|
eeptemp <<= 1; // rotate to the next bit
|
|
}
|
|
EepromStatus_NES(); // ACK
|
|
}
|
|
|
|
void EepromREAD(byte address) {
|
|
EepromStart_NES(); // START
|
|
if (mapper == 159) { // 24C01
|
|
EepromSetAddress01(address); // 24C01 [Little Endian]
|
|
EepromReadMode_NES();
|
|
EepromReadData_NES();
|
|
EepromFinish_NES();
|
|
EepromStop_NES(); // STOP
|
|
// OR 8 bits into byte
|
|
eeptemp = eepbit[7] << 7 | eepbit[6] << 6 | eepbit[5] << 5 | eepbit[4] << 4 | eepbit[3] << 3 | eepbit[2] << 2 | eepbit[1] << 1 | eepbit[0];
|
|
}
|
|
else { // 24C02
|
|
EepromDevice_NES(); // DEVICE [1010] + ADDR [A2-A0]
|
|
EepromWriteMode_NES();
|
|
EepromSetAddress02(address);
|
|
EepromStart_NES(); // START
|
|
EepromDevice_NES(); // DEVICE [1010] + ADDR [A2-A0]
|
|
EepromReadMode_NES();
|
|
EepromReadData_NES();
|
|
EepromFinish_NES();
|
|
EepromStop_NES(); // STOP
|
|
// OR 8 bits into byte
|
|
eeptemp = eepbit[0] << 7 | eepbit[1] << 6 | eepbit[2] << 5 | eepbit[3] << 4 | eepbit[4] << 3 | eepbit[5] << 2 | eepbit[6] << 1 | eepbit[7];
|
|
}
|
|
sdBuffer[address] = eeptemp;
|
|
}
|
|
|
|
void EepromWRITE(byte address) {
|
|
eeptemp = sdBuffer[address];
|
|
EepromStart_NES(); // START
|
|
if (mapper == 159) { // 24C01
|
|
EepromSetAddress01(address); // 24C01 [Little Endian]
|
|
EepromWriteMode_NES();
|
|
EepromWriteData01(); // 24C01 [Little Endian]
|
|
}
|
|
else { // 24C02
|
|
EepromDevice_NES(); // DEVICE [1010] + ADDR [A2-A0]
|
|
EepromWriteMode_NES();
|
|
EepromSetAddress02(address);
|
|
EepromWriteData02();
|
|
}
|
|
EepromStop_NES(); // STOP
|
|
}
|
|
|
|
/******************************************
|
|
NESmaker Flash Cart [SST 39SF40]
|
|
*****************************************/
|
|
void NESmaker_ResetFlash() { // Reset Flash
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xFF); // Reset
|
|
}
|
|
|
|
// SST 39SF040 Software ID
|
|
void NESmaker_ID() { // Read Flash ID
|
|
NESmaker_ResetFlash();
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0x90); // Software ID Entry
|
|
unsigned char ID1 = read_prg_byte(0x8000);
|
|
unsigned char ID2 = read_prg_byte(0x8001);
|
|
sprintf(flashid, "%02X%02X", ID1, ID2);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xF0); // Software ID Exit
|
|
if (strcmp(flashid, "BFB7") == 0) // SST 39SF040
|
|
flashfound = 1;
|
|
}
|
|
|
|
void NESmaker_SectorErase(byte bank, word address) {
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0x80);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, bank); // $00-$1F
|
|
write_prg_byte(address, 0x30); // Sector Erase ($8000/$9000/$A000/$B000)
|
|
}
|
|
|
|
void NESmaker_ByteProgram(byte bank, word address, byte data) {
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xA0);
|
|
write_prg_byte(0xC000, bank); // $00-$1F
|
|
write_prg_byte(address, data); // $8000-$BFFF
|
|
}
|
|
|
|
// SST 39SF040 Chip Erase [NOT IMPLEMENTED]
|
|
void NESmaker_ChipErase() { // Typical 70ms
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0x80);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0xAA);
|
|
write_prg_byte(0xC000, 0x00);
|
|
write_prg_byte(0xAAAA, 0x55);
|
|
write_prg_byte(0xC000, 0x01);
|
|
write_prg_byte(0x9555, 0x10); // Chip Erase
|
|
}
|
|
|
|
void writeFLASH() {
|
|
display_Clear();
|
|
if (!flashfound) {
|
|
LED_RED_ON;
|
|
println_Msg(F("FLASH NOT DETECTED"));
|
|
display_Update();
|
|
}
|
|
else {
|
|
print_Msg(F("Flash ID: "));
|
|
println_Msg(flashid);
|
|
println_Msg(F(""));
|
|
println_Msg(F("NESmaker Flash Found"));
|
|
println_Msg(F(""));
|
|
display_Update();
|
|
delay(100);
|
|
|
|
fileBrowser(F("Select FLASH File"));
|
|
word base = 0x8000;
|
|
|
|
sd.chdir();
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
LED_RED_ON;
|
|
display_Clear();
|
|
println_Msg(F("Writing File: "));
|
|
println_Msg(filePath);
|
|
println_Msg(fileName);
|
|
display_Update();
|
|
|
|
//open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
banks = int_pow(2, prgsize); // 256K/512K
|
|
for (int i = 0; i < banks; i++) { // 16K Banks
|
|
for (word sector = 0; sector < 0x4000; sector += 0x1000) { // 4K Sectors ($8000/$9000/$A000/$B000)
|
|
// Sector Erase
|
|
NESmaker_SectorErase(i, base + sector);
|
|
delay(18); // Typical 18ms
|
|
for (byte j = 0; j < 2; j++) { // Confirm erase twice
|
|
do {
|
|
bytecheck = read_prg_byte(base + sector);
|
|
delay(18);
|
|
}
|
|
while (bytecheck != 0xFF);
|
|
}
|
|
// Program Byte
|
|
for (word addr = 0x0; addr < 0x1000; addr += 512) {
|
|
myFile.read(sdBuffer, 512);
|
|
for (int x = 0; x < 512; x++) {
|
|
word location = base + sector + addr + x;
|
|
NESmaker_ByteProgram(i, base + sector + addr + x, sdBuffer[x]);
|
|
delayMicroseconds(14); // Typical 14us
|
|
for (byte k = 0; k < 2; k++) { // Confirm write twice
|
|
do {
|
|
bytecheck = read_prg_byte(base + sector + addr + x);
|
|
delayMicroseconds(14);
|
|
}
|
|
while (bytecheck != sdBuffer[x]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#if (defined(enable_LCD) || defined(enable_OLED))
|
|
display.print(F("*"));
|
|
display.updateDisplay();
|
|
#else
|
|
Serial.print(F("*"));
|
|
if ((i != 0) && ((i + 1) % 16 == 0))
|
|
Serial.println(F(""));
|
|
#endif
|
|
}
|
|
myFile.close();
|
|
LED_GREEN_ON;
|
|
|
|
println_Msg(F(""));
|
|
println_Msg(F("FLASH FILE WRITTEN!"));
|
|
display_Update();
|
|
}
|
|
else {
|
|
LED_RED_ON;
|
|
println_Msg(F("SD ERROR"));
|
|
display_Update();
|
|
}
|
|
}
|
|
display_Clear();
|
|
LED_RED_OFF;
|
|
LED_GREEN_OFF;
|
|
sd.chdir(); // root
|
|
filePath[0] = '\0'; // Reset filePath
|
|
}
|
|
#endif
|
|
//******************************************
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// End of File
|
|
//******************************************
|