mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-23 21:19:16 +01:00
2230 lines
62 KiB
C++
2230 lines
62 KiB
C++
//******************************************
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// SUPER NINTENDO MODULE
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//******************************************
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#ifdef enable_SNES
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/******************************************
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Defines
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*****************************************/
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// SNES Hi and LoRom, SA is HI with different Sram dumping
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#define EX 4
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#define SA 3
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#define HI 1
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#define LO 0
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/******************************************
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Variables
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*****************************************/
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// Define SNES Cart Reader Variables
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int romSpeed = 0; // 0 = SlowROM, 3 = FastROM
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int romChips = 0; // 0 = ROM only, 1 = ROM & RAM, 2 = ROM & Save RAM, 3 = ROM & DSP1, 4 = ROM & RAM & DSP1, 5 = ROM & Save RAM & DSP1, 19 = ROM & SFX
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// 227 = ROM & RAM & GameBoy data, 243 = CX4, 246 = ROM & DSP2
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byte romSizeExp = 0; // ROM-Size Exponent
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boolean NP = false;
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byte cx4Type = 0;
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byte cx4Map = 0;
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boolean altconf = 0;
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/******************************************
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Menu
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*****************************************/
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// SNES/Nintendo Power SF Memory start menu
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static const char snsMenuItem1[] PROGMEM = "Super Nintendo";
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static const char snsMenuItem2[] PROGMEM = "NPower SF Memory";
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static const char snsMenuItem3[] PROGMEM = "Satellaview BS-X";
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static const char snsMenuItem4[] PROGMEM = "Flash repro";
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#ifdef clockgen_calibration
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static const char snsMenuItem5[] PROGMEM = "Calibrate Clock";
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static const char snsMenuItem6[] PROGMEM = "Reset";
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static const char* const menuOptionsSNS[] PROGMEM = {snsMenuItem1, snsMenuItem2, snsMenuItem3, snsMenuItem4, snsMenuItem5, snsMenuItem6};
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#else
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static const char snsMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsSNS[] PROGMEM = {snsMenuItem1, snsMenuItem2, snsMenuItem3, snsMenuItem4, snsMenuItem5};
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#endif
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// SNES menu items
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static const char SnesMenuItem1[] PROGMEM = "Read Rom";
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static const char SnesMenuItem2[] PROGMEM = "Read Save";
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static const char SnesMenuItem3[] PROGMEM = "Write Save";
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static const char SnesMenuItem4[] PROGMEM = "Test SRAM";
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static const char SnesMenuItem5[] PROGMEM = "Cycle cart";
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static const char SnesMenuItem6[] PROGMEM = "Force cart type";
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static const char SnesMenuItem7[] PROGMEM = "Reset";
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static const char* const menuOptionsSNES[] PROGMEM = {SnesMenuItem1, SnesMenuItem2, SnesMenuItem3, SnesMenuItem4, SnesMenuItem5, SnesMenuItem6, SnesMenuItem7};
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// Manual config menu items
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static const char confMenuItem1[] PROGMEM = "Use header info";
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static const char confMenuItem2[] PROGMEM = "4MB LoRom 256K Sram";
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static const char confMenuItem3[] PROGMEM = "4MB HiRom 64K Sram";
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static const char confMenuItem4[] PROGMEM = "6MB ExRom 256K Sram";
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static const char confMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsConfManual[] PROGMEM = {confMenuItem1, confMenuItem2, confMenuItem3, confMenuItem4, confMenuItem5};
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// Repro menu items
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static const char reproMenuItem1[] PROGMEM = "LoRom (P0)";
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static const char reproMenuItem2[] PROGMEM = "HiRom (P0)";
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static const char reproMenuItem3[] PROGMEM = "ExLoRom (P1)";
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static const char reproMenuItem4[] PROGMEM = "ExHiRom (P1)";
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static const char reproMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsRepro[] PROGMEM = {reproMenuItem1, reproMenuItem2, reproMenuItem3, reproMenuItem4, reproMenuItem5};
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// SNES repro menu
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void reproMenu() {
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// create menu with title and 6 options to choose from
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unsigned char snsRepro;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsRepro, 5);
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snsRepro = question_box(F("Select Repro Type"), menuOptions, 5, 0);
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// wait for user choice to come back from the question box menu
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switch (snsRepro)
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{
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#ifdef enable_FLASH
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case 0:
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// LoRom
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display_Clear();
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display_Update();
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mapping = 0;
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setup_Flash8();
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id_Flash8();
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wait();
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mode = mode_FLASH8;
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break;
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case 1:
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// HiRom
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display_Clear();
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display_Update();
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mapping = 1;
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setup_Flash8();
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id_Flash8();
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wait();
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mode = mode_FLASH8;
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break;
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case 2:
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// ExLoRom
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display_Clear();
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display_Update();
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mapping = 2;
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setup_Flash8();
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id_Flash8();
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wait();
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mode = mode_FLASH8;
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break;
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case 3:
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// ExHiRom
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display_Clear();
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display_Update();
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mapping = 3;
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setup_Flash8();
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id_Flash8();
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wait();
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mode = mode_FLASH8;
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break;
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#endif
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case 4:
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resetArduino();
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break;
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}
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}
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// SNES start menu
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void snsMenu() {
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// create menu with title and 6 options to choose from
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unsigned char snsCart;
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// Copy menuOptions out of progmem
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#ifdef clockgen_calibration
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convertPgm(menuOptionsSNS, 6);
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snsCart = question_box(F("Select Cart Type"), menuOptions, 6, 0);
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#else
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convertPgm(menuOptionsSNS, 5);
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snsCart = question_box(F("Select Cart Type"), menuOptions, 5, 0);
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#endif
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// wait for user choice to come back from the question box menu
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switch (snsCart)
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{
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case 0:
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display_Clear();
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display_Update();
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setup_Snes();
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mode = mode_SNES;
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break;
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#ifdef enable_SFM
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case 1:
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display_Clear();
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display_Update();
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setup_SFM();
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mode = mode_SFM;
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break;
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#endif
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#ifdef enable_SV
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case 2:
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display_Clear();
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display_Update();
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setup_SV();
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mode = mode_SV;
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break;
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#endif
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#ifdef enable_FLASH
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case 3:
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reproMenu();
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break;
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#endif
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case 4:
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#ifdef clockgen_calibration
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clkcal();
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break;
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case 5:
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#endif
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resetArduino();
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break;
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}
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}
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// SNES Menu
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void snesMenu() {
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// create menu with title and 7 options to choose from
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unsigned char mainMenu;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsSNES, 7);
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mainMenu = question_box(F("SNES 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 (mainMenu)
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{
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case 0:
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{
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if (numBanks > 0) {
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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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// get current time
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unsigned long startTime = millis();
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// start reading from cart
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readROM_SNES();
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// Internal Checksum
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compare_checksum();
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// CRC32
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compareCRC("snes.txt", 0, 1, 0);
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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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}
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else {
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display_Clear();
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print_Error(F("Does not have ROM"), false);
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}
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}
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break;
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case 1:
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if (sramSize > 0) {
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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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readSRAM();
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}
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else {
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display_Clear();
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print_Error(F("Does not have SRAM"), false);
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}
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break;
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case 2:
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if (sramSize > 0) {
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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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writeSRAM(1);
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unsigned long wrErrors;
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wrErrors = verifySRAM();
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if (wrErrors == 0) {
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println_Msg(F("Verified OK"));
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display_Update();
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}
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else {
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print_Msg(F("Error: "));
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print_Msg(wrErrors);
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println_Msg(F(" bytes "));
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print_Error(F("did not verify."), false);
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}
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}
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else {
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display_Clear();
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print_Error(F("Does not have SRAM"), false);
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}
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break;
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case 3:
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if (sramSize > 0) {
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display_Clear();
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println_Msg(F("Warning:"));
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println_Msg(F("This can erase"));
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println_Msg(F("your save games"));
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F("Press any button to"));
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println_Msg(F("start sram testing"));
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display_Update();
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wait();
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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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readSRAM();
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eraseSRAM(0x00);
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eraseSRAM(0xFF);
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writeSRAM(0);
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unsigned long wrErrors = verifySRAM();
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if (wrErrors == 0) {
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println_Msg(F("Restored OK"));
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display_Update();
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}
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else {
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print_Msg(F("Error: "));
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print_Msg(wrErrors);
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println_Msg(F(" bytes "));
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print_Error(F("did not verify."), false);
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}
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}
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else {
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display_Clear();
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print_Error(F("Does not have SRAM"), false);
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}
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break;
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case 4:
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// For arcademaster1 (Markfrizb) multi-game carts
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// Set reset pin to output (PH0)
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DDRH |= (1 << 0);
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// Switch RST(PH0) to LOW
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PORTH &= ~(1 << 0);
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// Note: It is probably not intended to reset CIC or clocks here
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// But if that's false, uncomment this:
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// stopSnesClocks_resetCic_resetCart();
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display_Clear();
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print_Msg(F("Resetting..."));
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display_Update();
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delay(3000); // wait 3 secs to switch to next game
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resetArduino();
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break;
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case 5:
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confMenuManual();
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display_Clear();
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display_Update();
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break;
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case 6:
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stopSnesClocks_resetCic_resetCart();
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resetArduino();
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break;
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}
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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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}
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// Menu for manual configuration
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void confMenuManual() {
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// create menu with title and 5 options to choose from
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unsigned char subMenu;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsConfManual, 5);
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subMenu = question_box(F("Choose mapping"), menuOptions, 5, 0);
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// wait for user choice to come back from the question box menu
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switch (subMenu)
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{
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case 0:
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break;
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case 1:
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romType = LO;
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numBanks = 128;
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sramSize = 256;
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strcpy(romName, "LOROM");
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break;
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case 2:
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romType = HI;
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numBanks = 64;
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sramSize = 64;
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strcpy(romName, "HIROM");
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break;
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case 3:
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romType = EX;
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numBanks = 96;
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sramSize = 256;
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strcpy(romName, "EXROM");
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break;
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case 4:
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// Reset
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stopSnesClocks_resetCic_resetCart();
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resetArduino();
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break;
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}
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}
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void stopSnesClocks_resetCic_resetCart() {
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DDRG |= (1 << 1); // Set cicrstPin(PG1) to Output
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PORTG |= (1 << 1); // pull high = reset CIC
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DDRH |= (1 << 0); // Set RST(PH0) pin to Output
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PORTH &= ~(1 << 0); // Switch RST(PH0) to LOW
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if (i2c_found) {
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clockgen.output_enable(SI5351_CLK1, 0); // CPU clock
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clockgen.output_enable(SI5351_CLK2, 0); // CIC clock
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clockgen.output_enable(SI5351_CLK0, 0); // master clock
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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_Snes() {
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// Set cicrstPin(PG1) to Output
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DDRG |= (1 << 1);
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// Output a high signal until we're ready to start
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PORTG |= (1 << 1);
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// Set cichstPin(PG0) to Input
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DDRG &= ~(1 << 0);
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// Set Address Pins to Output
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//A0-A7
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DDRF = 0xFF;
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//A8-A15
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DDRK = 0xFF;
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//BA0-BA7
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DDRL = 0xFF;
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//PA0-PA7
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DDRA = 0xFF;
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// Set Control Pins to Output RST(PH0) CS(PH3) WR(PH5) RD(PH6)
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DDRH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
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// Switch RST(PH0) and WR(PH5) to HIGH
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PORTH |= (1 << 0) | (1 << 5);
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// Switch CS(PH3) and RD(PH6) to LOW
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PORTH &= ~((1 << 3) | (1 << 6));
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// Set Refresh(PE5) to Output
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DDRE |= (1 << 5);
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// Switch Refresh(PE5) to LOW (needed for SA-1)
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PORTE &= ~(1 << 5);
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// Set CPU Clock(PH1) to Output
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DDRH |= (1 << 1);
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//PORTH &= ~(1 << 1);
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// Set IRQ(PH4) to Input
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DDRH &= ~(1 << 4);
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// Activate Internal Pullup Resistors
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//PORTH |= (1 << 4);
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// Set expand(PG5) to Input
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DDRG &= ~(1 << 5);
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// Activate Internal Pullup Resistors
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//PORTG |= (1 << 5);
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// Set Data Pins (D0-D7) to Input
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DDRC = 0x00;
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// Enable Internal Pullups
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//PORTC = 0xFF;
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// Unused pins
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// Set wram(PE4) to Output
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DDRE |= (1 << 4);
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//PORTE &= ~(1 << 4);
|
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// Set pawr(PJ1) to Output
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DDRJ |= (1 << 1);
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//PORTJ &= ~(1 << 1);
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// Set pard(PJ0) to Output
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DDRJ |= (1 << 0);
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//PORTJ &= ~(1 << 0);
|
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|
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// Adafruit Clock Generator
|
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initializeClockOffset();
|
||
|
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if (i2c_found) {
|
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// Set clocks to 4Mhz/1Mhz for better SA-1 unlocking
|
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clockgen.set_freq(100000000ULL, SI5351_CLK1); // CPU
|
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clockgen.set_freq(100000000ULL, SI5351_CLK2); // CIC
|
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clockgen.set_freq(400000000ULL, SI5351_CLK0); // EXT
|
||
|
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// Start outputting master clock, CIC clock
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clockgen.output_enable(SI5351_CLK1, 0); // no CPU clock yet; seems to affect SA-1 success a lot
|
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clockgen.output_enable(SI5351_CLK2, 1); // CIC clock (should go before master clock)
|
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clockgen.output_enable(SI5351_CLK0, 1); // master clock
|
||
|
||
// Wait for clock generator
|
||
clockgen.update_status();
|
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delay(500);
|
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}
|
||
#ifdef clockgen_installed
|
||
else {
|
||
display_Clear();
|
||
print_Error(F("Clock Generator not found"), true);
|
||
}
|
||
#endif
|
||
|
||
// Start CIC by outputting a low signal to cicrstPin(PG1)
|
||
PORTG &= ~(1 << 1);
|
||
|
||
// Wait for CIC reset
|
||
delay(500);
|
||
|
||
// Print all the info
|
||
getCartInfo_SNES();
|
||
|
||
if (i2c_found) {
|
||
//Set clocks to standard or else SA-1 sram writing will fail
|
||
clockgen.set_freq(2147727200ULL, SI5351_CLK0);
|
||
clockgen.set_freq(357954500ULL, SI5351_CLK1);
|
||
clockgen.set_freq(307200000ULL, SI5351_CLK2);
|
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}
|
||
}
|
||
|
||
/******************************************
|
||
I/O Functions
|
||
*****************************************/
|
||
// Switch control pins to write
|
||
void controlOut_SNES() {
|
||
// Switch RD(PH6) and WR(PH5) to HIGH
|
||
PORTH |= (1 << 6) | (1 << 5);
|
||
// Switch CS(PH3) to LOW
|
||
PORTH &= ~(1 << 3);
|
||
}
|
||
|
||
// Switch control pins to read
|
||
void controlIn_SNES() {
|
||
// Switch WR(PH5) to HIGH
|
||
PORTH |= (1 << 5);
|
||
// Switch CS(PH3) and RD(PH6) to LOW
|
||
PORTH &= ~((1 << 3) | (1 << 6));
|
||
}
|
||
|
||
/******************************************
|
||
Low level functions
|
||
*****************************************/
|
||
// Write one byte of data to a location specified by bank and address, 00:0000
|
||
void writeBank_SNES(byte myBank, word myAddress, byte myData) {
|
||
PORTL = myBank;
|
||
PORTF = myAddress & 0xFF;
|
||
PORTK = (myAddress >> 8) & 0xFF;
|
||
PORTC = myData;
|
||
|
||
// Arduino running at 16Mhz -> one nop = 62.5ns
|
||
// Wait till output is stable
|
||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||
|
||
// Switch WR(PH5) to LOW
|
||
PORTH &= ~(1 << 5);
|
||
|
||
// Leave WR low for at least 60ns
|
||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||
|
||
// Switch WR(PH5) to HIGH
|
||
PORTH |= (1 << 5);
|
||
|
||
// Leave WR high for at least 50ns
|
||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||
}
|
||
|
||
// Read one byte of data from a location specified by bank and address, 00:0000
|
||
byte readBank_SNES(byte myBank, word myAddress) {
|
||
PORTL = myBank;
|
||
PORTF = myAddress & 0xFF;
|
||
PORTK = (myAddress >> 8) & 0xFF;
|
||
|
||
// Wait for the Byte to appear on the data bus
|
||
// Arduino running at 16Mhz -> one nop = 62.5ns
|
||
// slowRom is good for 200ns, fastRom is <= 120ns; S-CPU best case read speed: 3.57MHz / 280ns
|
||
// let's be conservative and use 6 x 62.5 = 375ns
|
||
NOP; NOP; NOP; NOP; NOP; NOP;
|
||
|
||
// Read
|
||
byte tempByte = PINC;
|
||
return tempByte;
|
||
}
|
||
|
||
void readLoRomBanks( unsigned int start, unsigned int total, FsFile *file)
|
||
{
|
||
byte buffer[1024] = { 0 };
|
||
|
||
uint16_t c = 0;
|
||
uint16_t currByte = 32768;
|
||
|
||
//Initialize progress bar
|
||
uint32_t processedProgressBar = 0;
|
||
uint32_t totalProgressBar = (uint32_t)(total - start) * 1024;
|
||
draw_progressbar(0, totalProgressBar);
|
||
|
||
for (int currBank = start; currBank < total; currBank++) {
|
||
PORTL = currBank;
|
||
|
||
// Blink led
|
||
blinkLED();
|
||
|
||
currByte = 32768;
|
||
while (1) {
|
||
c = 0;
|
||
while (c < 1024) {
|
||
PORTF = (currByte & 0xFF);
|
||
PORTK = ((currByte >> 8) & 0xFF);
|
||
|
||
// Wait for the Byte to appear on the data bus
|
||
// Arduino running at 16Mhz -> one nop = 62.5ns
|
||
// slowRom is good for 200ns, fastRom is <= 120ns; S-CPU best case read speed: 3.57MHz / 280ns
|
||
// let's be conservative and use 6 x 62.5 = 375ns
|
||
NOP; NOP; NOP; NOP; NOP; NOP;
|
||
|
||
buffer[c] = PINC;
|
||
c++;
|
||
currByte++;
|
||
}
|
||
file->write(buffer, 1024);
|
||
|
||
// exit while(1) loop once the uint16_t currByte overflows from 0xffff to 0 (current bank is done)
|
||
if (currByte == 0) break;
|
||
}
|
||
|
||
// update progress bar
|
||
processedProgressBar += 1024;
|
||
draw_progressbar(processedProgressBar, totalProgressBar);
|
||
}
|
||
}
|
||
|
||
void readHiRomBanks( unsigned int start, unsigned int total, FsFile *file)
|
||
{
|
||
byte buffer[1024] = { 0 };
|
||
|
||
uint16_t c = 0;
|
||
uint16_t currByte = 0;
|
||
|
||
//Initialize progress bar
|
||
uint32_t processedProgressBar = 0;
|
||
uint32_t totalProgressBar = (uint32_t)(total - start) * 1024;
|
||
draw_progressbar(0, totalProgressBar);
|
||
|
||
for (int currBank = start; currBank < total; currBank++) {
|
||
PORTL = currBank;
|
||
|
||
// Blink led
|
||
blinkLED();
|
||
|
||
currByte = 0;
|
||
while (1) {
|
||
c = 0;
|
||
while (c < 1024) {
|
||
PORTF = (currByte & 0xFF);
|
||
PORTK = ((currByte >> 8) & 0xFF);
|
||
|
||
// Wait for the Byte to appear on the data bus
|
||
// Arduino running at 16Mhz -> one nop = 62.5ns
|
||
// slowRom is good for 200ns, fastRom is <= 120ns; S-CPU best case read speed: 3.57MHz / 280ns
|
||
// let's be conservative and use 6 x 62.5 = 375ns
|
||
NOP; NOP; NOP; NOP; NOP; NOP;
|
||
|
||
buffer[c] = PINC;
|
||
c++;
|
||
currByte++;
|
||
}
|
||
file->write(buffer, 1024);
|
||
|
||
// exit while(1) loop once the uint16_t currByte overflows from 0xffff to 0 (current bank is done)
|
||
if (currByte == 0) break;
|
||
}
|
||
|
||
// update progress bar
|
||
processedProgressBar += 1024;
|
||
draw_progressbar(processedProgressBar, totalProgressBar);
|
||
}
|
||
}
|
||
|
||
/******************************************
|
||
SNES ROM Functions
|
||
******************************************/
|
||
void getCartInfo_SNES() {
|
||
boolean manualConfig = 0;
|
||
|
||
//Prime SA1 cartridge
|
||
uint16_t c = 0;
|
||
uint16_t currByte = 0;
|
||
byte buffer[1024] = { 0 };
|
||
PORTL = 192;
|
||
while (c < 1024) {
|
||
PORTF = (currByte & 0xFF);
|
||
PORTK = ((currByte >> 8) & 0xFF);
|
||
|
||
// Wait for the Byte to appear on the data bus
|
||
// Arduino running at 16Mhz -> one nop = 62.5ns
|
||
// slowRom is good for 200ns, fastRom is <= 120ns; S-CPU best case read speed: 3.57MHz / 280ns
|
||
// let's be conservative and use 6 x 62.5 = 375ns
|
||
NOP; NOP; NOP; NOP; NOP; NOP;
|
||
|
||
buffer[c] = PINC;
|
||
c++;
|
||
currByte++;
|
||
}
|
||
|
||
// Print start page
|
||
if (checkcart_SNES() == 0) {
|
||
// Checksum either corrupt or 0000
|
||
manualConfig = 1;
|
||
errorLvl = 1;
|
||
setColor_RGB(255, 0, 0);
|
||
|
||
display_Clear();
|
||
println_Msg(F("ERROR"));
|
||
println_Msg(F("Rom header corrupt"));
|
||
println_Msg(F("or missing"));
|
||
println_Msg(F(""));
|
||
println_Msg(F(""));
|
||
println_Msg(F("Press button for"));
|
||
println_Msg(F("manual configuration"));
|
||
println_Msg(F("or powercycle if SA1"));
|
||
display_Update();
|
||
wait();
|
||
// Wait() clears errors but in this case we still have an error
|
||
errorLvl = 1;
|
||
}
|
||
|
||
display_Clear();
|
||
print_Msg(F("Name: "));
|
||
println_Msg(romName);
|
||
|
||
print_Msg(F("Type: "));
|
||
if (romType == HI)
|
||
print_Msg(F("HiROM"));
|
||
else if (romType == LO)
|
||
print_Msg(F("LoROM"));
|
||
else if (romType == EX)
|
||
print_Msg(F("ExHiRom"));
|
||
else
|
||
print_Msg(romType);
|
||
print_Msg(F(" "));
|
||
if (romSpeed == 0)
|
||
println_Msg(F("SlowROM"));
|
||
else if (romSpeed == 2)
|
||
println_Msg(F("SlowROM"));
|
||
else if (romSpeed == 3)
|
||
println_Msg(F("FastROM"));
|
||
else
|
||
println_Msg(romSpeed);
|
||
|
||
print_Msg(F("ICs: ROM "));
|
||
if (romChips == 0)
|
||
println_Msg(F("ONLY"));
|
||
else if (romChips == 1)
|
||
println_Msg(F("RAM"));
|
||
else if (romChips == 2)
|
||
println_Msg(F("SAVE"));
|
||
else if (romChips == 3)
|
||
println_Msg(F("DSP1"));
|
||
else if (romChips == 4)
|
||
println_Msg(F("DSP1 RAM"));
|
||
else if (romChips == 5)
|
||
println_Msg(F("DSP1 SAVE"));
|
||
else if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26))
|
||
println_Msg(F("SuperFX"));
|
||
else if (romChips == 52) {
|
||
println_Msg(F("SA1 RAM"));
|
||
romType = SA;
|
||
}
|
||
else if (romChips == 53) {
|
||
println_Msg(F("SA1 RAM BATT"));
|
||
romType = SA;
|
||
}
|
||
else if (romChips == 69) {
|
||
println_Msg(F("SDD1 BATT"));
|
||
}
|
||
else if (romChips == 227)
|
||
println_Msg(F("RAM GBoy"));
|
||
else if (romChips == 243)
|
||
println_Msg(F("CX4"));
|
||
else if (romChips == 246)
|
||
println_Msg(F("DSP2"));
|
||
else if (romChips == 245)
|
||
println_Msg(F("SPC RAM BATT"));
|
||
else if (romChips == 249)
|
||
println_Msg(F("SPC RAM RTC"));
|
||
else
|
||
println_Msg(F(""));
|
||
|
||
|
||
if (altconf)
|
||
print_Msg(F("Rom Size: "));
|
||
else
|
||
print_Msg(F("ROM Size: "));
|
||
print_Msg(romSize);
|
||
println_Msg(F("Mbit"));
|
||
|
||
print_Msg(F("Banks: "));
|
||
print_Msg(numBanks);
|
||
print_Msg(F(" Chips: "));
|
||
println_Msg(romChips);
|
||
|
||
print_Msg(F("Sram Size: "));
|
||
print_Msg(sramSize);
|
||
println_Msg(F("Kbit"));
|
||
|
||
print_Msg(F("ROM Version: 1."));
|
||
println_Msg(romVersion);
|
||
|
||
print_Msg(F("Checksum: "));
|
||
println_Msg(checksumStr);
|
||
display_Update();
|
||
|
||
// Wait for user input
|
||
#if (defined(enable_LCD) || defined(enable_OLED))
|
||
println_Msg(F(" "));
|
||
println_Msg(F(" "));
|
||
println_Msg(F("Press Button..."));
|
||
display_Update();
|
||
wait();
|
||
#endif
|
||
#ifdef enable_serial
|
||
println_Msg(F(" "));
|
||
#endif
|
||
|
||
// Start manual config
|
||
if (manualConfig == 1) {
|
||
confMenuManual();
|
||
}
|
||
}
|
||
|
||
void checkAltConf() {
|
||
char tempStr1[2];
|
||
char tempStr2[5];
|
||
altconf = 0;
|
||
|
||
if (myFile.open("snes.txt", O_READ)) {
|
||
// Get cart info
|
||
display_Clear();
|
||
println_Msg(F("Searching database..."));
|
||
display_Update();
|
||
|
||
while (myFile.available()) {
|
||
// Skip first line with name
|
||
skip_line(&myFile);
|
||
|
||
// Skip over the CRC checksum
|
||
myFile.seekSet(myFile.curPosition() + 9);
|
||
|
||
// Read 4 bytes into String, do it one at a time so byte order doesn't get mixed up
|
||
sprintf(tempStr1, "%c", myFile.read());
|
||
strcpy(tempStr2, tempStr1);
|
||
sprintf(tempStr1, "%c", myFile.read());
|
||
strcat(tempStr2, tempStr1);
|
||
sprintf(tempStr1, "%c", myFile.read());
|
||
strcat(tempStr2, tempStr1);
|
||
sprintf(tempStr1, "%c", myFile.read());
|
||
strcat(tempStr2, tempStr1);
|
||
|
||
// Check if string is a match
|
||
if (strcmp(tempStr2, checksumStr) == 0) {
|
||
println_Msg(F("Found"));
|
||
display_Update();
|
||
|
||
// Skip the , in the file
|
||
myFile.seekSet(myFile.curPosition() + 1);
|
||
|
||
// Read file size
|
||
byte romSize2 = (myFile.read() - 48) * 10 + (myFile.read() - 48);
|
||
|
||
// Skip the , in the file
|
||
myFile.seekSet(myFile.curPosition() + 1);
|
||
|
||
// Read number of banks
|
||
byte numBanks2 = (myFile.read() - 48) * 100 + (myFile.read() - 48) * 10 + (myFile.read() - 48);
|
||
|
||
if ((romSize != romSize2) || (numBanks != numBanks2)) {
|
||
// Only correct if non-standard size found in database, else trust header info to be correct
|
||
if ((romSize2 == 6) || (romSize2 == 7) || (romSize2 == 10) || (romSize2 == 12) || (romSize2 == 16) || (romSize2 == 24)) {
|
||
romSize = romSize2;
|
||
numBanks = numBanks2;
|
||
altconf = 1;
|
||
println_Msg(F("Correcting size"));
|
||
display_Update();
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
// If no match empty string advance by 9 and try again
|
||
else {
|
||
// skip rest of line
|
||
myFile.seekSet(myFile.curPosition() + 9);
|
||
// skip third empty line
|
||
skip_line(&myFile);
|
||
}
|
||
}
|
||
// Close the file:
|
||
myFile.close();
|
||
}
|
||
}
|
||
|
||
// Read header
|
||
boolean checkcart_SNES() {
|
||
// set control to read
|
||
dataIn();
|
||
|
||
uint16_t c = 0;
|
||
uint16_t headerStart = 0xFFC0;
|
||
uint16_t currByte = headerStart;
|
||
byte snesHeader[64] = { 0 };
|
||
PORTL = 0;
|
||
while (c < 64) {
|
||
PORTF = (currByte & 0xFF);
|
||
PORTK = ((currByte >> 8) & 0xFF);
|
||
|
||
NOP; NOP; NOP; NOP; NOP; NOP; NOP; NOP; NOP; NOP; NOP; NOP;
|
||
|
||
snesHeader[c] = PINC;
|
||
c++;
|
||
currByte++;
|
||
}
|
||
|
||
// Get Checksum as string
|
||
sprintf(checksumStr, "%02X%02X", snesHeader[0xFFDF - headerStart], snesHeader[0xFFDE - headerStart]);
|
||
|
||
romType = snesHeader[0xFFD5 - headerStart];
|
||
if ((romType >> 5) != 1) { // Detect invalid romType byte due to too long ROM name (22 chars)
|
||
romType = LO; // LoROM // Krusty's Super Fun House (U) 1.0 & Contra 3 (U)
|
||
}
|
||
else if (romType == 0x35) {
|
||
romType = EX; // Check if ExHiROM
|
||
}
|
||
else if (romType == 0x3A) {
|
||
romType = HI; // Check if SPC7110
|
||
}
|
||
else {
|
||
romType &= 1; // Must be LoROM or HiROM
|
||
}
|
||
|
||
// Check RomSpeed
|
||
romSpeed = (snesHeader[0xFFD5 - headerStart] >> 4);
|
||
|
||
// Check RomChips
|
||
romChips = snesHeader[0xFFD6 - headerStart];
|
||
|
||
if (romChips == 69) {
|
||
romSize = 48;
|
||
numBanks = 96;
|
||
romType = HI;
|
||
}
|
||
else if (romChips == 243) {
|
||
cx4Type = snesHeader[0xFFC9 - headerStart] & 0xF;
|
||
if (cx4Type == 2) { // X2
|
||
romSize = 12;
|
||
numBanks = 48;
|
||
}
|
||
else if (cx4Type == 3) { // X3
|
||
romSize = 16;
|
||
numBanks = 64;
|
||
}
|
||
}
|
||
else if ((romChips == 245) && (romType == HI)) {
|
||
romSize = 24;
|
||
numBanks = 48;
|
||
}
|
||
else if ((romChips == 249) && (romType == HI)) {
|
||
romSize = 40;
|
||
numBanks = 80;
|
||
}
|
||
else {
|
||
// Check RomSize
|
||
byte romSizeExp = snesHeader[0xFFD7 - headerStart] - 7;
|
||
romSize = 1;
|
||
while (romSizeExp--)
|
||
romSize *= 2;
|
||
|
||
if ((romType == EX) || (romType == SA)) {
|
||
numBanks = long(romSize) * 2;
|
||
}
|
||
else {
|
||
numBanks = (long(romSize) * 1024 * 1024 / 8) / (32768 + (long(romType) * 32768));
|
||
}
|
||
}
|
||
|
||
//Check SD card for alt config
|
||
checkAltConf();
|
||
|
||
// Get name
|
||
byte myByte = 0;
|
||
byte myLength = 0;
|
||
for (unsigned int i = 0xFFC0; i < 0xFFD4; i++) {
|
||
myByte = snesHeader[i - headerStart];
|
||
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 15) {
|
||
romName[myLength] = char(myByte);
|
||
myLength++;
|
||
}
|
||
}
|
||
// If name consists out of all japanese characters use game code
|
||
if (myLength == 0) {
|
||
// Get rom code
|
||
romName[0] = 'S';
|
||
romName[1] = 'H';
|
||
romName[2] = 'V';
|
||
romName[3] = 'C';
|
||
romName[4] = '-';
|
||
for (unsigned int i = 0; i < 4; i++) {
|
||
myByte = snesHeader[0xFFB2 + i - headerStart];
|
||
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 4) {
|
||
romName[myLength + 5] = char(myByte);
|
||
myLength++;
|
||
}
|
||
}
|
||
if (myLength == 0) {
|
||
// Rom code unknown
|
||
romName[0] = 'U';
|
||
romName[1] = 'N';
|
||
romName[2] = 'K';
|
||
romName[3] = 'N';
|
||
romName[4] = 'O';
|
||
romName[5] = 'W';
|
||
romName[6] = 'N';
|
||
}
|
||
}
|
||
|
||
// Read sramSizeExp
|
||
byte sramSizeExp;
|
||
if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26)) {
|
||
// SuperFX
|
||
if (snesHeader[0x7FDA - headerStart] == 0x33) {
|
||
sramSizeExp = snesHeader[0x7FBD - headerStart];
|
||
}
|
||
else {
|
||
if (strncmp(romName, "STARFOX2", 8) == 0) {
|
||
sramSizeExp = 6;
|
||
}
|
||
else {
|
||
sramSizeExp = 5;
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
// No SuperFX
|
||
sramSizeExp = snesHeader[0xFFD8 - headerStart];
|
||
}
|
||
|
||
// Calculate sramSize
|
||
// Fail states usually have sramSizeExp at 255 (no cart inserted, SA-1 failure, etc)
|
||
if (sramSizeExp != 0 && sramSizeExp != 255) {
|
||
sramSizeExp = sramSizeExp + 3;
|
||
sramSize = 1;
|
||
while (sramSizeExp--)
|
||
sramSize *= 2;
|
||
}
|
||
else {
|
||
sramSize = 0;
|
||
}
|
||
|
||
// Check Cart Country
|
||
//int cartCountry = snesHeader[0xFFD9 - headerStart];
|
||
|
||
// ROM Version
|
||
romVersion = snesHeader[0xFFDB - headerStart];
|
||
|
||
// Test if checksum is equal to reverse checksum
|
||
if (((word(snesHeader[0xFFDC - headerStart]) + (word(snesHeader[0xFFDD - headerStart]) * 256)) + (word(snesHeader[0xFFDE - headerStart]) + (word(snesHeader[0xFFDF - headerStart]) * 256))) == 65535 ) {
|
||
if (strcmp("0000", checksumStr) == 0) {
|
||
return 0;
|
||
}
|
||
else {
|
||
return 1;
|
||
}
|
||
}
|
||
// Either rom checksum is wrong or no cart is inserted
|
||
else {
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
unsigned int calc_checksum (char* fileName, char* folder) {
|
||
unsigned int calcChecksum = 0;
|
||
unsigned int calcChecksumChunk = 0;
|
||
int calcFilesize = 0;
|
||
unsigned int c = 0;
|
||
unsigned long i = 0;
|
||
unsigned long j = 0;
|
||
|
||
if (strcmp(folder, "root") != 0)
|
||
sd.chdir(folder);
|
||
|
||
// If file exists
|
||
if (myFile.open(fileName, O_READ)) {
|
||
calcFilesize = myFile.fileSize() * 8 / 1024 / 1024;
|
||
|
||
// Nintendo Power (SF Memory Cassette)
|
||
// Read up to 0x60000 then add FFs to 0x80000
|
||
if (NP == true) {
|
||
for (i = 0; i < (0x60000 / 512); i++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
calcChecksum = calcChecksumChunk;
|
||
}
|
||
calcChecksum += 0xF47C; // FFs from 0x60000-0x80000
|
||
}
|
||
else if ((calcFilesize == 10) || (calcFilesize == 12) || (calcFilesize == 20) || (calcFilesize == 24)) {
|
||
unsigned long calcBase = 0;
|
||
unsigned long calcMirror = 0;
|
||
byte calcMirrorCount = 0;
|
||
if (calcFilesize > 16)
|
||
calcBase = 2097152;
|
||
else
|
||
calcBase = 1048576;
|
||
calcMirror = myFile.fileSize() - calcBase;
|
||
calcMirrorCount = calcBase / calcMirror;
|
||
|
||
// Momotarou Dentetsu Happy Fix 3MB (24Mbit)
|
||
if ((calcFilesize == 24) && (romChips == 245)) {
|
||
for (i = 0; i < (myFile.fileSize() / 512); i++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
}
|
||
calcChecksum = 2 * calcChecksumChunk;
|
||
}
|
||
else {
|
||
// Base 8/16 Mbit chunk
|
||
for (j = 0; j < (calcBase / 512); j++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
}
|
||
calcChecksum = calcChecksumChunk;
|
||
calcChecksumChunk = 0;
|
||
// Add the mirrored chunk
|
||
for (j = 0; j < (calcMirror / 512); j++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
}
|
||
calcChecksum += calcMirrorCount * calcChecksumChunk;
|
||
}
|
||
}
|
||
else if ((calcFilesize == 40) && (romChips == 85)) {
|
||
// Daikaijuu Monogatari 2 Fix 5MB (40Mbit)
|
||
// Add the 4MB (32Mbit) start
|
||
for (j = 0; j < (4194304 / 512); j++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
calcChecksum = calcChecksumChunk;
|
||
}
|
||
calcChecksumChunk = 0;
|
||
// Add the 1MB (8Mbit) end
|
||
for (j = 0; j < (1048576 / 512); j++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
}
|
||
calcChecksum += 4 * calcChecksumChunk;
|
||
}
|
||
else if (calcFilesize == 48) {
|
||
// Star Ocean/Tales of Phantasia Fix 6MB (48Mbit)
|
||
// Add the 4MB (32Mbit) start
|
||
for (j = 0; j < (4194304 / 512); j++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
calcChecksum = calcChecksumChunk;
|
||
}
|
||
calcChecksumChunk = 0;
|
||
// Add the 2MB (16Mbit) end
|
||
for (j = 0; j < (2097152 / 512); j++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
}
|
||
calcChecksum += 2 * calcChecksumChunk;
|
||
}
|
||
else {
|
||
//calcFilesize == 2 || 4 || 8 || 16 || 32 || 40 || etc
|
||
for (i = 0; i < (myFile.fileSize() / 512); i++) {
|
||
myFile.read(sdBuffer, 512);
|
||
for (c = 0; c < 512; c++) {
|
||
calcChecksumChunk += sdBuffer[c];
|
||
}
|
||
calcChecksum = calcChecksumChunk;
|
||
}
|
||
}
|
||
myFile.close();
|
||
sd.chdir();
|
||
return (calcChecksum);
|
||
}
|
||
else {
|
||
// Else show error
|
||
print_Error(F("DUMP ROM 1ST"), false);
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
boolean compare_checksum() {
|
||
print_Msg(F("Chksum..."));
|
||
display_Update();
|
||
|
||
strcpy(fileName, romName);
|
||
strcat(fileName, ".sfc");
|
||
|
||
// last used rom folder
|
||
EEPROM_readAnything(0, foldern);
|
||
sprintf(folder, "SNES/ROM/%s/%d", romName, foldern - 1);
|
||
|
||
char calcsumStr[5];
|
||
sprintf(calcsumStr, "%04X", calc_checksum(fileName, folder));
|
||
|
||
if (strcmp(calcsumStr, checksumStr) == 0) {
|
||
println_Msg(F("OK"));
|
||
//println_Msg(calcsumStr);
|
||
display_Update();
|
||
return 1;
|
||
}
|
||
else {
|
||
print_Msg(F("Error "));
|
||
print_Msg(calcsumStr);
|
||
print_Error(F(" "), false);
|
||
display_Update();
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
// Read rom to SD card
|
||
void readROM_SNES() {
|
||
// Set control
|
||
dataIn();
|
||
controlIn_SNES();
|
||
|
||
// Get name, add extension and convert to char array for sd lib
|
||
strcpy(fileName, romName);
|
||
strcat(fileName, ".sfc");
|
||
|
||
// create a new folder for the save file
|
||
EEPROM_readAnything(0, foldern);
|
||
sprintf(folder, "SNES/ROM/%s/%d", romName, foldern);
|
||
sd.mkdir(folder, true);
|
||
sd.chdir(folder);
|
||
|
||
//clear the screen
|
||
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("Can't create file on SD"), true);
|
||
}
|
||
|
||
//Dump Derby Stallion '96 (Japan) Actual Size is 24Mb
|
||
if ((romType == LO) && (numBanks == 128) && (strcmp("CC86", checksumStr) == 0)) {
|
||
// Read Banks 0x00-0x3F for the 1st/2nd MB
|
||
for (int currBank = 0; currBank < 64; currBank++) {
|
||
// Dump the bytes to SD 512B at a time
|
||
for (long currByte = 32768; currByte < 65536; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
sdBuffer[c] = readBank_SNES(currBank, currByte + c);
|
||
}
|
||
myFile.write(sdBuffer, 512);
|
||
}
|
||
}
|
||
//Read Bank 0x80-9F for the 3rd MB
|
||
for (int currBank = 128; currBank < 160; currBank++) {
|
||
// Dump the bytes to SD 512B at a time
|
||
for (long currByte = 32768; currByte < 65536; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
sdBuffer[c] = readBank_SNES(currBank, currByte + c);
|
||
}
|
||
myFile.write(sdBuffer, 512);
|
||
}
|
||
}
|
||
}
|
||
|
||
//Dump Low-type ROM
|
||
else if (romType == LO) {
|
||
if (romChips == 243) { //0xF3
|
||
cx4Map = readBank_SNES(0, 32594); //0x7F52
|
||
if ((cx4Type == 2) && (cx4Map != 0)) { //X2
|
||
dataOut();
|
||
controlOut_SNES();
|
||
writeBank_SNES(0, 32594, 0); // Set 0x7F52 to 0
|
||
dataIn();
|
||
controlIn_SNES();
|
||
}
|
||
else if ((cx4Type == 3) && (cx4Map == 0)) { //X3
|
||
dataOut();
|
||
controlOut_SNES();
|
||
writeBank_SNES(0, 32594, 1); // Set 0x7F52 to 1
|
||
dataIn();
|
||
controlIn_SNES();
|
||
}
|
||
}
|
||
if (romSize > 24) {
|
||
// ROM > 96 banks (up to 128 banks)
|
||
readLoRomBanks( 0x80, numBanks + 0x80, &myFile );
|
||
} else {
|
||
// Read up to 96 banks starting at bank 0×00.
|
||
readLoRomBanks( 0, numBanks, &myFile );
|
||
}
|
||
if (romChips == 243) { //0xF3
|
||
// Restore CX4 Mapping Register
|
||
dataOut();
|
||
controlOut_SNES();
|
||
writeBank_SNES(0, 32594, cx4Map); // 0x7F52
|
||
dataIn();
|
||
controlIn_SNES();
|
||
}
|
||
}
|
||
|
||
// Dump SDD1 High-type ROM
|
||
else if ((romType == HI) && (romChips == 69)) {
|
||
println_Msg(F("Dumping SDD1 HiRom"));
|
||
display_Update();
|
||
controlIn_SNES();
|
||
byte initialSOMap = readBank_SNES(0, 18439);
|
||
|
||
for (int currMemmap = 0; currMemmap < (numBanks / 16); currMemmap++) {
|
||
|
||
dataOut();
|
||
controlOut_SNES();
|
||
|
||
writeBank_SNES(0, 18439, currMemmap);
|
||
|
||
dataIn();
|
||
controlIn_SNES();
|
||
|
||
readHiRomBanks( 240, 256, &myFile );
|
||
if (currMemmap == 2) display_Clear(); // need more space for the progress bars
|
||
}
|
||
|
||
dataOut();
|
||
controlOut_SNES();
|
||
|
||
writeBank_SNES(0, 18439, initialSOMap);
|
||
|
||
dataIn();
|
||
controlIn_SNES();
|
||
}
|
||
|
||
// Dump SPC7110 High-type ROM
|
||
else if ((romType == HI) && ((romChips == 245) || (romChips == 249))) {
|
||
println_Msg(F("Dumping SPC7110 HiRom"));
|
||
display_Update();
|
||
|
||
// 0xC00000-0xDFFFFF
|
||
//print_Msg(F("Part 1"));
|
||
display_Update();
|
||
readHiRomBanks( 192, 224, &myFile );
|
||
|
||
if (numBanks > 32) {
|
||
dataOut();
|
||
controlOut_SNES();
|
||
// Set 0x4834 to 0xFF
|
||
writeBank_SNES( 0, 0x4834, 0xFF );
|
||
|
||
dataIn();
|
||
controlIn_SNES();
|
||
|
||
// 0xE00000-0xEFFFFF
|
||
//print_Msg(F(" 2"));
|
||
display_Update();
|
||
readHiRomBanks( 224, 240, &myFile );
|
||
|
||
if (numBanks > 48) {
|
||
// 0xF00000-0xFFFFFF
|
||
//print_Msg(F(" 3"));
|
||
display_Update();
|
||
readHiRomBanks( 240, 256, &myFile );
|
||
|
||
dataOut();
|
||
controlOut_SNES();
|
||
|
||
// Set 0x4833 to 3
|
||
writeBank_SNES( 0, 0x4833, 3 );
|
||
|
||
dataIn();
|
||
controlIn_SNES();
|
||
|
||
// 0xF00000-0xFFFFFF
|
||
//print_Msg(F(" 4"));
|
||
display_Update();
|
||
readHiRomBanks( 240, 256, &myFile );
|
||
}
|
||
//println_Msg(F(""));
|
||
display_Clear(); // need more space due to the 4 progress bars
|
||
|
||
// Return mapping registers to initial settings...
|
||
dataOut();
|
||
controlOut_SNES();
|
||
|
||
writeBank_SNES( 0, 0x4833, 2 );
|
||
writeBank_SNES( 0, 0x4834, 0 );
|
||
|
||
dataIn();
|
||
controlIn_SNES();
|
||
}
|
||
}
|
||
|
||
// Dump standard High-type ROM
|
||
else if ((romType == HI) || (romType == SA) || (romType == EX)) {
|
||
println_Msg(F("Dumping HiRom..."));
|
||
display_Update();
|
||
|
||
readHiRomBanks( 192, numBanks + 192, &myFile );
|
||
}
|
||
|
||
// Close the file:
|
||
myFile.close();
|
||
}
|
||
|
||
/******************************************
|
||
SNES SRAM Functions
|
||
*****************************************/
|
||
// Write file to SRAM
|
||
void writeSRAM (boolean browseFile) {
|
||
if (browseFile) {
|
||
filePath[0] = '\0';
|
||
sd.chdir("/");
|
||
fileBrowser(F("Select srm file"));
|
||
// Create filepath
|
||
sprintf(filePath, "%s/%s", filePath, fileName);
|
||
display_Clear();
|
||
}
|
||
else
|
||
sprintf(filePath, "%s", fileName);
|
||
|
||
//open file on sd card
|
||
if (myFile.open(filePath, O_READ)) {
|
||
|
||
// Set pins to output
|
||
dataOut();
|
||
|
||
// Set RST RD WR to High and CS to Low
|
||
controlOut_SNES();
|
||
|
||
int sramBanks = 0;
|
||
// LoRom
|
||
if (romType == LO) {
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
|
||
if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26)) { // SuperFX
|
||
if (lastByte > 0x10000) { // Large SuperFX SRAM (no known carts)
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0x0000; currByte < 0x10000; currByte++) {
|
||
writeBank_SNES(currBank, currByte, myFile.read());
|
||
}
|
||
}
|
||
}
|
||
else { // SuperFX SRAM
|
||
for (long currByte = 0; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x70, currByte, myFile.read());
|
||
}
|
||
}
|
||
}
|
||
else if (lastByte > 0x8000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x8000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0x0000; currByte < 0x8000; currByte++) {
|
||
writeBank_SNES(currBank, currByte, myFile.read());
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x70, currByte, myFile.read());
|
||
}
|
||
}
|
||
}
|
||
// HiRom
|
||
else if (romType == HI) {
|
||
if ((romChips == 245) || (romChips == 249)) { // SPC7110 SRAM
|
||
// Configure SPC7110 SRAM Register
|
||
// Set 0x4830 to 0x80
|
||
writeBank_SNES(0, 0x4830, 0x80);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
// Write to sram bank
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x30, currByte, myFile.read());
|
||
}
|
||
// Reset SPC7110 SRAM Register
|
||
dataOut();
|
||
// Reset 0x4830 to 0x0
|
||
writeBank_SNES(0, 0x4830, 0);
|
||
dataIn();
|
||
}
|
||
else {
|
||
// Writing SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x2000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x2000;
|
||
for (int currBank = 0x30; currBank < sramBanks + 0x30; currBank++) {
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte++) {
|
||
writeBank_SNES(currBank, currByte, myFile.read());
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
lastByte += 0x6000;
|
||
// Write to sram bank
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x30, currByte, myFile.read());
|
||
}
|
||
}
|
||
}
|
||
}
|
||
// ExHiRom
|
||
else if (romType == EX) {
|
||
// Writing SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0xB0, currByte, myFile.read());
|
||
}
|
||
}
|
||
// SA1
|
||
else if (romType == SA) {
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (i2c_found) {
|
||
// Enable CPU Clock
|
||
clockgen.output_enable(SI5351_CLK1, 1);
|
||
}
|
||
|
||
// Direct writes to BW-RAM (SRAM) in banks 0x40-0x43 don't work
|
||
// Break BW-RAM (SRAM) into 0x2000 blocks
|
||
byte lastBlock = 0;
|
||
lastBlock = lastByte / 0x2000;
|
||
|
||
// Writing SRAM on SA1 needs CS(PH3) to be high
|
||
// PORTH |= (1 << 3);
|
||
|
||
// Setup BW-RAM
|
||
// Set 0x2224 (SNES BMAPS) to map SRAM Block 0 to 0x6000-0x7FFF
|
||
writeBank_SNES(0, 0x2224, 0);
|
||
// Set 0x2226 (SNES SBWE) to 0x80 Write Enable
|
||
writeBank_SNES(0, 0x2226, 0x80);
|
||
// Set 0x2228 (SNES BWPA) to 0x00 BW-RAM Write-Protected Area
|
||
writeBank_SNES(0, 0x2228, 0);
|
||
delay(1000);
|
||
|
||
// Use $2224 (SNES) to map BW-RAM block to 0x6000-0x7FFF
|
||
// Use $2226 (SNES) to write enable the BW-RAM
|
||
byte firstByte = 0;
|
||
for (byte currBlock = 0; currBlock < lastBlock; currBlock++) {
|
||
// Set 0x2224 (SNES BMAPS) to map SRAM Block to 0x6000-0x7FFF
|
||
writeBank_SNES(0, 0x2224, currBlock);
|
||
// Set 0x2226 (SNES SBWE) to 0x80 Write Enable
|
||
writeBank_SNES(0, 0x2226, 0x80);
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte += 512) {
|
||
myFile.read(sdBuffer, 512);
|
||
if ((currBlock == 0) && (currByte == 0x6000)) {
|
||
firstByte = sdBuffer[0];
|
||
}
|
||
for (int c = 0; c < 512; c++) {
|
||
writeBank_SNES(0, currByte + c, sdBuffer[c]);
|
||
}
|
||
}
|
||
}
|
||
// Rewrite First Byte
|
||
writeBank_SNES(0, 0x2224, 0);
|
||
writeBank_SNES(0, 0x2226, 0x80);
|
||
writeBank_SNES(0, 0x6000, firstByte);
|
||
if (i2c_found) {
|
||
// Disable CPU clock
|
||
clockgen.output_enable(SI5351_CLK1, 0);
|
||
}
|
||
}
|
||
|
||
// Set pins to input
|
||
dataIn();
|
||
|
||
// Close the file:
|
||
myFile.close();
|
||
println_Msg(F("SRAM writing finished"));
|
||
display_Update();
|
||
|
||
}
|
||
else {
|
||
print_Error(F("File doesnt exist"), false);
|
||
}
|
||
}
|
||
|
||
void readSRAM () {
|
||
// set control
|
||
controlIn_SNES();
|
||
|
||
// Get name, add extension and convert to char array for sd lib
|
||
strcpy(fileName, romName);
|
||
strcat(fileName, ".srm");
|
||
|
||
// create a new folder for the save file
|
||
EEPROM_readAnything(0, foldern);
|
||
sprintf(folder, "SNES/SAVE/%s/%d", romName, foldern);
|
||
sd.mkdir(folder, true);
|
||
sd.chdir(folder);
|
||
|
||
// 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);
|
||
}
|
||
int sramBanks = 0;
|
||
if (romType == LO) {
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26)) { // SuperFX
|
||
if (lastByte > 0x10000) { // Large SuperFX SRAM (no known carts)
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0x0000; currByte < 0x10000; currByte++) {
|
||
myFile.write(readBank_SNES(currBank, currByte));
|
||
}
|
||
}
|
||
}
|
||
else { // SuperFX SRAM
|
||
for (long currByte = 0; currByte < lastByte; currByte++) {
|
||
myFile.write(readBank_SNES(0x70, currByte));
|
||
}
|
||
}
|
||
}
|
||
else if (lastByte > 0x8000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x8000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0x0000; currByte < 0x8000; currByte++) {
|
||
myFile.write(readBank_SNES(currBank, currByte));
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0; currByte < lastByte; currByte++) {
|
||
myFile.write(readBank_SNES(0x70, currByte));
|
||
}
|
||
}
|
||
}
|
||
else if (romType == HI) {
|
||
if ((romChips == 245) || (romChips == 249)) { // SPC7110 SRAM
|
||
// Configure SPC7110 SRAM Register
|
||
dataOut();
|
||
// Set 0x4830 to 0x80
|
||
writeBank_SNES(0, 0x4830, 0x80);
|
||
dataIn();
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
myFile.write(readBank_SNES(0x30, currByte));
|
||
}
|
||
dataOut();
|
||
// Reset 0x4830 to 0x0
|
||
writeBank_SNES(0, 0x4830, 0);
|
||
dataIn();
|
||
}
|
||
else {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x2000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x2000;
|
||
for (int currBank = 0x30; currBank < sramBanks + 0x30; currBank++) {
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte++) {
|
||
myFile.write(readBank_SNES(currBank, currByte));
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
lastByte += 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
myFile.write(readBank_SNES(0x30, currByte));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == EX) {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
myFile.write(readBank_SNES(0xB0, currByte));
|
||
}
|
||
}
|
||
else if (romType == SA) {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x10000) {
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x40; currBank < sramBanks + 0x40; currBank++) {
|
||
for (long currByte = 0; currByte < 0x10000; currByte++) {
|
||
myFile.write(readBank_SNES(currBank, currByte));
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0x0; currByte < lastByte; currByte++) {
|
||
myFile.write(readBank_SNES(0x40, currByte));
|
||
}
|
||
}
|
||
}
|
||
|
||
// Close the file:
|
||
myFile.close();
|
||
|
||
// Signal end of process
|
||
display_Clear();
|
||
print_Msg(F("Saved to "));
|
||
print_Msg(folder);
|
||
println_Msg(F("/..."));
|
||
display_Update();
|
||
}
|
||
|
||
// Check if the SRAM was written without any error
|
||
unsigned long verifySRAM() {
|
||
//open file on sd card
|
||
if (myFile.open(filePath, O_READ)) {
|
||
|
||
// Variable for errors
|
||
writeErrors = 0;
|
||
|
||
// Set control
|
||
controlIn_SNES();
|
||
|
||
int sramBanks = 0;
|
||
if (romType == LO) {
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26)) { // SuperFX
|
||
if (lastByte > 0x10000) { // Large SuperFX SRAM (no known carts)
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0; currByte < 0x10000; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else { // SuperFX SRAM
|
||
for (long currByte = 0; currByte < lastByte; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x70, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (lastByte > 0x8000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x8000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0; currByte < 0x8000; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0; currByte < lastByte; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x70, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == HI) {
|
||
if ((romChips == 245) || (romChips == 249)) { // SPC7110 SRAM
|
||
// Configure SPC7110 SRAM Register
|
||
dataOut();
|
||
// Set 0x4830 to 0x80
|
||
writeBank_SNES(0, 0x4830, 0x80);
|
||
dataIn();
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x30, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
dataOut();
|
||
// Reset 0x4830 to 0x0
|
||
writeBank_SNES(0, 0x4830, 0);
|
||
dataIn();
|
||
}
|
||
else {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x2000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x2000;
|
||
for (int currBank = 0x30; currBank < sramBanks + 0x30; currBank++) {
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
lastByte += 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x30, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == EX) {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0xB0, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == SA) {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
|
||
if (lastByte > 0x10000) {
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x40; currBank < sramBanks + 0x40; currBank++) {
|
||
for (long currByte = 0x0; currByte < 0x10000; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0x0; currByte < lastByte; currByte += 512) {
|
||
//fill sdBuffer
|
||
myFile.read(sdBuffer, 512);
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x40, currByte + c)) != sdBuffer[c]) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
// Reset SA1
|
||
// Set pins to input
|
||
dataIn();
|
||
// Close the file:
|
||
myFile.close();
|
||
if (writeErrors == 0) {
|
||
println_Msg(F("Verified OK"));
|
||
}
|
||
else {
|
||
print_Msg(F("Error: "));
|
||
print_Msg(writeErrors);
|
||
println_Msg(F(" bytes "));
|
||
print_Error(F("did not verify."), false);
|
||
}
|
||
display_Update();
|
||
wait();
|
||
|
||
stopSnesClocks_resetCic_resetCart();
|
||
|
||
display_Clear();
|
||
print_Msg(F("Resetting..."));
|
||
display_Update();
|
||
delay(3000); // wait 3 secs
|
||
resetArduino();
|
||
}
|
||
// Close the file:
|
||
myFile.close();
|
||
return writeErrors;
|
||
}
|
||
else {
|
||
print_Error(F("Can't open file"), false);
|
||
}
|
||
}
|
||
|
||
// Overwrite the entire SRAM
|
||
boolean eraseSRAM (byte b) {
|
||
print_Msg(F("0x"));
|
||
print_Msg(b, HEX);
|
||
print_Msg(F(": "));
|
||
display_Update();
|
||
|
||
// Set pins to output
|
||
dataOut();
|
||
|
||
// Set control pins
|
||
controlOut_SNES();
|
||
|
||
int sramBanks = 0;
|
||
if (romType == LO) {
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
|
||
if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26)) { // SuperFX
|
||
if (lastByte > 0x10000) { // Large SuperFX SRAM (no known carts)
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0x0000; currByte < 0x10000; currByte++) {
|
||
writeBank_SNES(currBank, currByte, b);
|
||
}
|
||
}
|
||
}
|
||
else { // SuperFX SRAM
|
||
for (long currByte = 0; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x70, currByte, b);
|
||
}
|
||
}
|
||
}
|
||
else if (lastByte > 0x8000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x8000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0x0000; currByte < 0x8000; currByte++) {
|
||
writeBank_SNES(currBank, currByte, b);
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x70, currByte, b);
|
||
}
|
||
}
|
||
}
|
||
else if (romType == HI) {
|
||
if ((romChips == 245) || (romChips == 249)) { // SPC7110 SRAM
|
||
// Configure SPC7110 SRAM Register
|
||
// Set 0x4830 to 0x80
|
||
writeBank_SNES(0, 0x4830, 0x80);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
// Write to sram bank
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x30, currByte, b);
|
||
}
|
||
// Reset SPC7110 SRAM Register
|
||
dataOut();
|
||
// Reset 0x4830 to 0x0
|
||
writeBank_SNES(0, 0x4830, 0);
|
||
dataIn();
|
||
}
|
||
else {
|
||
// Writing SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x2000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x2000;
|
||
for (int currBank = 0x30; currBank < sramBanks + 0x30; currBank++) {
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte++) {
|
||
writeBank_SNES(currBank, currByte, b);
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
lastByte += 0x6000;
|
||
// Write to sram bank
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0x30, currByte, b);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
// ExHiRom
|
||
else if (romType == EX) {
|
||
// Writing SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte++) {
|
||
writeBank_SNES(0xB0, currByte, b);
|
||
}
|
||
}
|
||
// SA1
|
||
else if (romType == SA) {
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (i2c_found) {
|
||
// Enable CPU Clock
|
||
clockgen.output_enable(SI5351_CLK1, 1);
|
||
}
|
||
|
||
// Direct writes to BW-RAM (SRAM) in banks 0x40-0x43 don't work
|
||
// Break BW-RAM (SRAM) into 0x2000 blocks
|
||
// Use $2224 to map BW-RAM block to 0x6000-0x7FFF
|
||
byte lastBlock = 0;
|
||
lastBlock = lastByte / 0x2000;
|
||
|
||
// Writing SRAM on SA1 needs CS(PH3) to be high
|
||
// PORTH |= (1 << 3);
|
||
|
||
// Setup BW-RAM
|
||
// Set 0x2224 (SNES BMAPS) to map SRAM Block 0 to 0x6000-0x7FFF
|
||
writeBank_SNES(0, 0x2224, 0);
|
||
// Set 0x2226 (SNES SBWE) to 0x80 Write Enable
|
||
writeBank_SNES(0, 0x2226, 0x80);
|
||
// Set 0x2228 (SNES BWPA) to 0x00 BW-RAM Write-Protected Area
|
||
writeBank_SNES(0, 0x2228, 0);
|
||
delay(1000);
|
||
|
||
// Use $2224 (SNES) to map BW-RAM block to 0x6000-0x7FFF
|
||
// Use $2226 (SNES) to write enable the BW-RAM
|
||
for (byte currBlock = 0; currBlock < lastBlock; currBlock++) {
|
||
// Set 0x2224 (SNES BMAPS) to map SRAM Block to 0x6000-0x7FFF
|
||
writeBank_SNES(0, 0x2224, currBlock);
|
||
// Set 0x2226 (SNES SBWE) to 0x80 Write Enable
|
||
writeBank_SNES(0, 0x2226, 0x80);
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
writeBank_SNES(0, currByte + c, b);
|
||
}
|
||
}
|
||
}
|
||
// Rewrite First Byte
|
||
writeBank_SNES(0, 0x2224, 0);
|
||
writeBank_SNES(0, 0x2226, 0x80);
|
||
writeBank_SNES(0, 0x6000, b);
|
||
|
||
if (i2c_found) {
|
||
// Disable CPU clock
|
||
clockgen.output_enable(SI5351_CLK1, 0);
|
||
}
|
||
}
|
||
|
||
dataIn();
|
||
|
||
// Variable for errors
|
||
writeErrors = 0;
|
||
|
||
// Set control
|
||
controlIn_SNES();
|
||
|
||
sramBanks = 0;
|
||
if (romType == LO) {
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26)) { // SuperFX
|
||
if (lastByte > 0x10000) { // Large SuperFX SRAM (no known carts)
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0; currByte < 0x10000; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else { // SuperFX SRAM
|
||
for (long currByte = 0; currByte < lastByte; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x70, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (lastByte > 0x8000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x8000;
|
||
for (int currBank = 0x70; currBank < sramBanks + 0x70; currBank++) {
|
||
for (long currByte = 0; currByte < 0x8000; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0; currByte < lastByte; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x70, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == HI) {
|
||
if ((romChips == 245) || (romChips == 249)) { // SPC7110 SRAM
|
||
// Configure SPC7110 SRAM Register
|
||
dataOut();
|
||
// Set 0x4830 to 0x80
|
||
writeBank_SNES(0, 0x4830, 0x80);
|
||
dataIn();
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x30, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
dataOut();
|
||
// Reset 0x4830 to 0x0
|
||
writeBank_SNES(0, 0x4830, 0);
|
||
dataIn();
|
||
}
|
||
else {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x2000) { // Large SRAM Fix
|
||
sramBanks = lastByte / 0x2000;
|
||
for (int currBank = 0x30; currBank < sramBanks + 0x30; currBank++) {
|
||
for (long currByte = 0x6000; currByte < 0x8000; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
lastByte += 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x30, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == EX) {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128) + 0x6000;
|
||
for (long currByte = 0x6000; currByte < lastByte; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0xB0, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (romType == SA) {
|
||
// Dumping SRAM on HiRom needs CS(PH3) to be high
|
||
PORTH |= (1 << 3);
|
||
// Sram size
|
||
long lastByte = (long(sramSize) * 128);
|
||
if (lastByte > 0x10000) {
|
||
sramBanks = lastByte / 0x10000;
|
||
for (int currBank = 0x40; currBank < sramBanks + 0x40; currBank++) {
|
||
for (long currByte = 0x0; currByte < 0x10000; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(currBank, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (long currByte = 0x0; currByte < lastByte; currByte += 512) {
|
||
for (int c = 0; c < 512; c++) {
|
||
if ((readBank_SNES(0x40, currByte + c)) != b) {
|
||
writeErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (writeErrors == 0) {
|
||
println_Msg(F("OK"));
|
||
return 1;
|
||
}
|
||
else {
|
||
println_Msg(F("ERROR"));
|
||
return 0;
|
||
}
|
||
display_Update();
|
||
}
|
||
|
||
#endif
|
||
|
||
//******************************************
|
||
// End of File
|
||
//******************************************
|