mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-13 08:25:05 +01:00
Update NES.ino (thx to skaman)
Changes: Adds Mapper 30 (NESmaker) support with read/write Flash support. Adds PRG-RAM read/write support for Mappers 4 (MMC6), 19, 80, 82. Adds SRAM support for Family Basic (Mapper 0) carts.
This commit is contained in:
sanni
parent
1f2b9dcc4a
commit
b856459fee
@ -6,18 +6,19 @@
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// Pinout changes: LED and CIRAM_A10
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//Line Content
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//25 Supported Mappers
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//99 Defines
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//129 Variables
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//180 Menu
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//265 Setup
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//294 Low Level Functions
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//541 CRC Functions
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//596 File Functions
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//758 Config Functions
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//1252 ROM Functions
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//2332 RAM Functions
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//2614 Eeprom Functions
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//26 Supported Mappers
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//101 Defines
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//131 Variables
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//189 Menu
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//308 Setup
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//337 Low Level Functions
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//584 CRC Functions
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//639 File Functions
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//801 Config Functions
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//1397 ROM Functions
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//2490 RAM Functions
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//2925 Eeprom Functions
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//3115 NESmaker Flash Cart Functions
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/******************************************
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Supported Mappers
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@ -25,11 +26,11 @@
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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, 0, // nrom
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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 [sram r/w]
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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, 3, 4, 0, 0, 0, 0, // axrom
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9, 3, 3, 5, 5, 0, 0, // mmc2 (punch out)
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@ -37,13 +38,14 @@ static const byte PROGMEM mapsize [] = {
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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 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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@ -63,8 +65,8 @@ static const byte PROGMEM mapsize [] = {
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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, 0, // taito x1-005
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82, 3, 3, 5, 6, 0, 0, // taito x1-017
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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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@ -150,8 +152,15 @@ 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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char flashID[5];
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boolean flashfound = false; // NESmaker 39SF040 Flash Cart
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// Files
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File sdFile;
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@ -182,9 +191,14 @@ static const char menuItem2[] PROGMEM = "Read Complete Cart";
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static const char menuItem3[] PROGMEM = "Read PRG";
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static const char menuItem4[] PROGMEM = "Read CHR";
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static const char menuItem5[] PROGMEM = "Read RAM";
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static const char menuItem6[] PROGMEM = "Write RAM";
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static const char menuItem6[] PROGMEM = "Write Options";
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static const char* const baseMenu[] PROGMEM = {menuItem1, menuItem2, menuItem3, menuItem4, menuItem5, menuItem6};
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static const char writeItem1[] PROGMEM = "Write RAM";
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static const char writeItem2[] PROGMEM = "Write FLASH";
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static const char writeItem3[] PROGMEM = "Return to Main Menu";
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static const char* const writeMenu[] PROGMEM = {writeItem1, writeItem2, writeItem3};
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// NES start menu
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void nesMenu() {
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display_Clear();
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@ -196,7 +210,7 @@ void nesMenu() {
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}
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void nesCartMenu() {
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// create menu with title " FAMICOM CART READER" and 6 options to choose from
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// create menu with title "NES CART READER" and 6 options to choose from
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convertPgm(baseMenu, 6);
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unsigned char answer = question_box(F("NES CART READER"), menuOptions, 6, 0);
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@ -250,12 +264,41 @@ void nesCartMenu() {
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wait();
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break;
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// Write RAM
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// Write Options
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case 5:
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nesCartWriteMenu();
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wait();
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break;
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}
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}
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void nesCartWriteMenu() {
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// create menu with title "WRITE OPTIONS MENU" and 3 options to choose from
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convertPgm(writeMenu, 3);
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unsigned char answer = question_box(F("WRITE OPTIONS MENU"), menuOptions, 3, 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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// Write RAM
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case 0:
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writeRAM();
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resetROM();
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wait();
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break;
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// Write FLASH
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case 1:
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if (mapper == 30)
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writeFLASH();
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resetROM();
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wait();
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break;
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// Return to Main Menu
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case 2:
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nesCartMenu();
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wait();
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break;
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}
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}
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@ -780,8 +823,8 @@ chooseMapper:
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display.setCursor(63, 20);
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display.println(units);
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display.println("");
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display.println(F("Press to change"));
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display.println(F("Hold to select"));
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display.println(F("Press to Change"));
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display.println(F("Hold to Select"));
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if (digit == 0) {
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display.drawLine(20, 30, 30, 30, WHITE);
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display.drawLine(40, 30, 50, 30, BLACK);
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@ -1102,10 +1145,20 @@ void setRAMSize() {
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while (1) {
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display_Clear();
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print_Msg(F("RAM Size: "));
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if (mapper == 16)
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if (mapper == 0)
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println_Msg(RAM[i] / 4);
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else if (mapper == 16)
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println_Msg(RAM[i] * 32);
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else if (mapper == 159)
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else if (mapper == 19) {
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if (i == 2)
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println_Msg(F("128"));
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else
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println_Msg(RAM[i]);
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}
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else if ((mapper == 159) || (mapper == 80))
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println_Msg(RAM[i] * 16);
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else if (mapper == 82)
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println_Msg(i * 5);
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else
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println_Msg(RAM[i]);
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println_Msg(F(""));
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@ -1143,9 +1196,28 @@ void setRAMSize() {
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print_Msg(sizeEEP);
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println_Msg(F("B"));
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}
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else if (mapper == 19) {
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print_Msg(F("RAM SIZE "));
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if (newramsize == 2)
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println_Msg(F("128B"));
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else {
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print_Msg(RAM[newramsize]);
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println_Msg(F("K"));
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}
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}
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else if (mapper == 80) {
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print_Msg(F("RAM SIZE "));
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print_Msg(RAM[newramsize] * 16);
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println_Msg(F("B"));
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}
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else {
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print_Msg(F("RAM SIZE "));
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print_Msg(RAM[newramsize]);
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if (mapper == 0)
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print_Msg(newramsize * 2);
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else if (mapper == 82)
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print_Msg(newramsize * 5);
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else
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print_Msg(RAM[newramsize]);
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println_Msg(F("K"));
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}
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display_Update();
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@ -1160,13 +1232,25 @@ setram:
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Serial.print(F("Select RAM Size: "));
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Serial.print(i);
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Serial.print(F(" = "));
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if ((mapper == 16) || (mapper == 159)) {
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if (mapper == 0) {
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Serial.println(RAM[i] / 4);
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Serial.println(F("K"));
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}
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else if ((mapper == 16) || (mapper == 159)) {
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if (mapper == 16)
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Serial.print(RAM[i + ramlo] * 32);
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else
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Serial.print(RAM[i + ramlo] * 16);
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Serial.println(F("B"));
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}
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else if (mapper == 19) {
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if (i == 2)
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Serial.println(F("128B"));
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else {
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Serial.print(RAM[i + ramlo]);
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Serial.println(F("K"));
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}
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}
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else {
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Serial.print(RAM[i + ramlo]);
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Serial.println(F("K"));
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@ -1194,9 +1278,30 @@ setram:
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Serial.println(F("B"));
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Serial.println(F(""));
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}
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else if (mapper == 19) {
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Serial.print(F("RAM Size = "));
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if (newramsize == 2)
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Serial.println(F("128B"));
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else {
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Serial.print(RAM[newramsize]);
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Serial.println(F("K"));
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}
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Serial.println(F(""));
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}
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else if (mapper == 80) {
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Serial.print(F("RAM Size = "));
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Serial.print(RAM[newramsize] * 16);
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Serial.println(F("B"));
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Serial.println(F(""));
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}
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else {
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Serial.print(F("RAM Size = "));
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Serial.print(RAM[newramsize]);
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if (mapper == 0)
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Serial.print(newramsize * 2);
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else if (mapper == 82)
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Serial.print(newramsize * 5);
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else
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Serial.print(RAM[newramsize]);
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Serial.println(F("K"));
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Serial.println(F(""));
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}
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@ -1205,6 +1310,20 @@ setram:
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ramsize = newramsize;
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}
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// MMC6 Detection
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// Mapper 4 includes both MMC3 AND MMC6
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// RAM is mapped differently between MMC3 and MMC6
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void checkMMC6() { // Detect MMC6 Carts - read PRG 0x3E00A ("STARTROPICS")
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write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
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write_prg_byte(0x8001, 0x1F); // 0x3E000
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prgchk0 = read_prg_byte(0x800A);
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prgchk1 = read_prg_byte(0x800B);
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prgchk2 = read_prg_byte(0x800C);
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prgchk3 = read_prg_byte(0x800D);
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if ((prgchk0 == 0x53) && (prgchk1 == 0x54) && (prgchk2 == 0x41) && (prgchk3 == 0x52))
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mmc6 = true; // MMC6 Cart
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}
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void checkStatus_NES() {
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EEPROM_readAnything(7, mapper);
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EEPROM_readAnything(8, prgsize);
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@ -1217,9 +1336,21 @@ void checkStatus_NES() {
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chr = (int_pow(2, chrsize)) * 4;
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if (ramsize == 0)
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ram = 0; // 0K
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else if (mapper == 82)
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ram = 5; // 5K
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else
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ram = (int_pow(2, ramsize)) * 4;
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// Mapper Variants
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// Identify variant for use across multiple functions
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if (mapper == 4) { // Check for MMC6/MMC3
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checkMMC6();
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if (mmc6)
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ram = 1; // 1K
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}
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else if (mapper == 30) // Check for Flashable/Non-Flashable
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NESmaker_ID(); // Flash ID
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display_Clear();
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println_Msg(F("NES CART READER"));
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println_Msg(F("CURRENT SETTINGS"));
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@ -1233,13 +1364,25 @@ void checkStatus_NES() {
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print_Msg(chr);
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println_Msg(F("K"));
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print_Msg(F("RAM SIZE: "));
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if ((mapper == 16) || (mapper == 159)) {
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if (mapper == 0) {
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print_Msg(ram / 4);
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println_Msg(F("K"));
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}
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else if ((mapper == 16) || (mapper == 80) || (mapper == 159)) {
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if (mapper == 16)
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print_Msg(ram * 32);
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else
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print_Msg(ram * 16);
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println_Msg(F("B"));
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}
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else if (mapper == 19) {
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if (ramsize == 2)
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println_Msg(F("128B"));
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else {
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print_Msg(ram);
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println_Msg(F("K"));
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}
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}
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else {
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print_Msg(ram);
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println_Msg(F("K"));
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@ -1330,7 +1473,7 @@ void readPRG() {
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}
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break;
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case 2:
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case 2: // 128K/256K
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for (int i = 0; i < 8; i++) { // 128K/256K
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write_prg_byte(0x8000, i);
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for (word address = 0x0; address < (((prgsize - 3) * 0x4000) + 0x4000); address += 512) {
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@ -1481,6 +1624,19 @@ void readPRG() {
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}
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break;
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case 30: // 256K/512K
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banks = int_pow(2, prgsize);
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for (int i = 0; i < banks; i++) { // 256K/512K
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if (flashfound)
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write_prg_byte(0xC000, i); // Flashable
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else
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write_prg_byte(0x8000, i); // Non-Flashable
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for (word address = 0x0; address < 0x4000; address += 512) { // 16K Banks ($8000-$BFFF)
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dumpPRG(base, address);
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}
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}
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break;
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case 32: // 128K/256K
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banks = int_pow(2, prgsize) * 2;
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for (int i = 0; i < banks; i++) { // 128K/256K
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@ -2349,6 +2505,12 @@ void readRAM() {
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word base = 0x6000;
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if (sdFile) {
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switch (mapper) {
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case 0: // 2K/4K
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for (word address = 0x0; address < (0x800 * ramsize); address += 512) { // 2K/4K
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dumpPRG(base, address); // SWITCH MUST BE IN OFF POSITION
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}
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break;
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case 1:
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case 155: // 8K/16K/32K
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banks = int_pow(2, ramsize) / 2; // banks = 1,2,4
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@ -2366,6 +2528,28 @@ void readRAM() {
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}
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break;
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case 4: // 1K/8K (MMC6/MMC3)
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if (mmc6) { // MMC6 1K
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write_prg_byte(0x8000, 0x20); // PRG RAM ENABLE
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write_prg_byte(0xA001, 0x20); // PRG RAM PROTECT - Enable reading RAM at $7000-$71FF
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for (word address = 0x1000; address < 0x1200; address += 512) { // 512B
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dumpMMC5RAM(base, address);
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}
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write_prg_byte(0x8000, 0x20); // PRG RAM ENABLE
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write_prg_byte(0xA001, 0x80); // PRG RAM PROTECT - Enable reading RAM at $7200-$73FF
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for (word address = 0x1200; address < 0x1400; address += 512) { // 512B
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dumpMMC5RAM(base, address);
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}
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write_prg_byte(0x8000, 6); // PRG RAM DISABLE
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}
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else { // MMC3 8K
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write_prg_byte(0xA001, 0xC0); // PRG RAM CHIP ENABLE - Chip Enable, Write Protect
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for (word address = 0; address < 0x2000; address += 512) { // 8K
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dumpPRG(base, address);
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}
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}
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break;
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case 5: // 8K/16K/32K
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write_prg_byte(0x5100, 3); // 8K PRG Banks
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banks = int_pow(2, ramsize) / 2; // banks = 1,2,4
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@ -2406,8 +2590,49 @@ void readRAM() {
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// display_Clear(); // TEST PURPOSES - DISPLAY EEPROM DATA
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break;
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case 19:
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if (ramsize == 2) { // PRG RAM 128B
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for (int x = 0; x < 128; x++) {
|
||||
write_ram_byte(0xF800, x); // PRG RAM ENABLE
|
||||
sdBuffer[x] = read_prg_byte(0x4800); // DATA PORT
|
||||
}
|
||||
sdFile.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);
|
||||
}
|
||||
sdFile.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 == 4) || (mapper == 118)) // 8K
|
||||
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
|
||||
@ -2455,7 +2680,7 @@ void readRAM() {
|
||||
LED_GREEN_OFF;
|
||||
}
|
||||
|
||||
void writeRAM () {
|
||||
void writeRAM() {
|
||||
display_Clear();
|
||||
|
||||
if (ramsize == 0) {
|
||||
@ -2477,6 +2702,15 @@ void writeRAM () {
|
||||
//open file on sd card
|
||||
if (sdFile.open(filePath, O_READ)) {
|
||||
switch (mapper) {
|
||||
case 0: // 2K/4K
|
||||
for (word address = 0x0; address < (0x800 * ramsize); address += 512) { // 2K/4K
|
||||
sdFile.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
|
||||
@ -2497,6 +2731,38 @@ void writeRAM () {
|
||||
}
|
||||
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
|
||||
sdFile.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
|
||||
sdFile.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
|
||||
sdFile.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
|
||||
@ -2540,15 +2806,64 @@ void writeRAM () {
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
if ((mapper == 4) || (mapper == 118)) // 8K
|
||||
write_prg_byte(0xA001, 0x80); // PRG RAM CHIP ENABLE - Chip Enable, Allow Writes
|
||||
else if (mapper == 19) {
|
||||
case 19:
|
||||
if (ramsize == 2) { // PRG RAM 128B
|
||||
sdFile.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
|
||||
sdFile.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)
|
||||
sdFile.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)
|
||||
sdFile.read(sdBuffer, 512);
|
||||
firstbyte = sdBuffer[0];
|
||||
for (int x = 0; x < 512; x++)
|
||||
write_prg_byte(base + address + x, sdBuffer[x]);
|
||||
sdFile.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
|
||||
@ -2569,10 +2884,8 @@ void writeRAM () {
|
||||
write_prg_byte(base + address + x, sdBuffer[x]);
|
||||
}
|
||||
}
|
||||
if ((mapper == 4) || (mapper == 118)) // 8K
|
||||
if (mapper == 118) // 8K
|
||||
write_prg_byte(0xA001, 0xC0); // PRG RAM CHIP ENABLE - Chip Enable, Write Protect
|
||||
else if (mapper == 19)
|
||||
write_ram_byte(0xF800, 0x0F); // PRG RAM WRITE PROTECT
|
||||
else if (mapper == 26) // 8K
|
||||
write_prg_byte(0xB003, 0); // PRG RAM DISABLE
|
||||
// else if (mapper == 68) // 8K
|
||||
@ -2605,6 +2918,7 @@ void writeRAM () {
|
||||
sd.chdir(); // root
|
||||
filePath[0] = '\0'; // Reset filePath
|
||||
}
|
||||
|
||||
/******************************************
|
||||
Eeprom Functions
|
||||
*****************************************/
|
||||
@ -2795,6 +3109,172 @@ void EepromWRITE(byte address) {
|
||||
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 (sdFile.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) {
|
||||
sdFile.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]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#ifdef OLED
|
||||
display.print(F("*"));
|
||||
display.display();
|
||||
#else
|
||||
Serial.print(F("*"));
|
||||
if ((i != 0) && ((i + 1) % 16 == 0))
|
||||
Serial.println(F(""));
|
||||
#endif
|
||||
}
|
||||
sdFile.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
|
||||
}
|
||||
|
||||
//******************************************
|
||||
// End of File
|
||||
//******************************************
|
||||
|
||||
Loading…
Reference in New Issue
Block a user