mirror of
https://github.com/sanni/cartreader.git
synced 2024-09-21 15:49:45 +02:00
a27ee157e8
If you're still using the old 16bit adapter(the one with the additional pins left and right on the snes cart edge) you can enable the menu again by changing one line in Cart_Reader.ino: // Enable 16bit flash adapter menu #define enable_flash16
1936 lines
56 KiB
C++
1936 lines
56 KiB
C++
//******************************************
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// SUPER NINTENDO MODULE
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//******************************************
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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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int cartCountry = 255;
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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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/******************************************
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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";
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static const char snsMenuItem4[] PROGMEM = "HiROM repro";
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static const char snsMenuItem5[] PROGMEM = "LoROM repro";
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static const char* const menuOptionsSNS[] PROGMEM = {snsMenuItem1, snsMenuItem2, snsMenuItem3, snsMenuItem4, snsMenuItem5};
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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 = "Reset";
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static const char* const menuOptionsSNES[] PROGMEM = {SnesMenuItem1, SnesMenuItem2, SnesMenuItem3, SnesMenuItem4, SnesMenuItem5, SnesMenuItem6};
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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 menuOptionsConf[] PROGMEM = {confMenuItem1, confMenuItem2, confMenuItem3, confMenuItem4, confMenuItem5};
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// SNES start menu
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void snsMenu() {
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// create menu with title and 4 options to choose from
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unsigned char snsCart;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsSNS, 5);
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snsCart = question_box("Select Cart 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 (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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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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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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case 3:
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display_Clear();
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display_Update();
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hiROM = 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 4:
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display_Clear();
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display_Update();
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hiROM = 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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}
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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, 6);
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mainMenu = question_box("SNES Cart Reader", menuOptions, 6, 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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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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readROM_SNES();
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compare_checksum();
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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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display_Clear();
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print_Msg("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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asm volatile (" jmp 0");
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break;
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case 5:
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asm volatile (" jmp 0");
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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 confMenu() {
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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(menuOptionsConf, 5);
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subMenu = question_box("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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asm volatile (" jmp 0");
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break;
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}
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}
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/******************************************
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Setup
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*****************************************/
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void setup_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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// Adafruit Clock Generator
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clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
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clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
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clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLB);
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clockgen.set_freq(2147727200ULL, SI5351_CLK0);
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clockgen.set_freq(307200000ULL, SI5351_CLK2);
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clockgen.output_enable(SI5351_CLK0, 1);
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clockgen.output_enable(SI5351_CLK1, 0);
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clockgen.output_enable(SI5351_CLK2, 1);
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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 Imput
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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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// Start CIC by outputting a low signal to cicrstPin(PG1)
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PORTG &= ~(1 << 1);
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// Wait for CIC reset
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delay(1000);
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// Print all the info
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getCartInfo_SNES();
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}
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/******************************************
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I/O Functions
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*****************************************/
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// Switch control pins to write
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void controlOut_SNES() {
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// Switch RD(PH6) and WR(PH5) to HIGH
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PORTH |= (1 << 6) | (1 << 5);
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// Switch CS(PH3) to LOW
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PORTH &= ~(1 << 3);
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}
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// Switch control pins to read
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void controlIn_SNES() {
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// Switch WR(PH5) to HIGH
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PORTH |= (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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}
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/******************************************
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Low level functions
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*****************************************/
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// Write one byte of data to a location specified by bank and address, 00:0000
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void writeBank_SNES(byte myBank, word myAddress, byte myData) {
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PORTL = myBank;
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PORTF = myAddress & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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PORTC = myData;
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// Arduino running at 16Mhz -> one nop = 62.5ns
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// Wait till output is stable
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__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");
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// Switch WR(PH5) to LOW
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PORTH &= ~(1 << 5);
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// Leave WR low for at least 60ns
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__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");
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// Switch WR(PH5) to HIGH
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PORTH |= (1 << 5);
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// Leave WR high for at least 50ns
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__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");
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}
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// Read one byte of data from a location specified by bank and address, 00:0000
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byte readBank_SNES(byte myBank, word myAddress) {
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PORTL = myBank;
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PORTF = myAddress & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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// Arduino running at 16Mhz -> one nop = 62.5ns -> 1000ns total
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__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");
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// Read
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byte tempByte = PINC;
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return tempByte;
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}
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void readLoRomBanks( unsigned int start, unsigned int total, SdFile *file)
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{
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byte buffer[512];
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for (int currBank = start; currBank < total; currBank++) {
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// Dump the bytes to SD 512B at a time
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for (long currByte = 32768; currByte < 65536; currByte += 512) {
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for (int c = 0; c < 512; c++) {
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buffer[c] = readBank_SNES(currBank, currByte + c);
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}
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file->write(buffer, 512);
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}
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}
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}
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void readHiRomBanks( unsigned int start, unsigned int total, SdFile *file)
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{
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byte buffer[512];
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for (int currBank = start; currBank < total; currBank++) {
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for (long currByte = 0; currByte < 65536; currByte += 512) {
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for (int c = 0; c < 512; c++) {
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buffer[c] = readBank_SNES(currBank, currByte + c);
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}
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file->write(buffer, 512);
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}
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}
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}
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/******************************************
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SNES ROM Functions
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******************************************/
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void getCartInfo_SNES() {
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boolean manualConfig = 0;
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// Print start page
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if (checkcart_SNES() == 0) {
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// Checksum either corrupt or 0000
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manualConfig = 1;
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errorLvl = 1;
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rgb.setColor(255, 0, 0);
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display_Clear();
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println_Msg(F("ERROR"));
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println_Msg(F("Rom header corrupt"));
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println_Msg(F("or missing"));
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F("Press button for"));
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println_Msg(F("manual configuration"));
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println_Msg(F("or powercycle if SA1"));
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display_Update();
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wait();
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// Wait() clears errors but in this case we still have an error
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errorLvl = 1;
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}
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display_Clear();
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print_Msg(F("Name: "));
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println_Msg(romName);
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print_Msg(F("Type: "));
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if (romType == HI)
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print_Msg(F("HiROM"));
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else if (romType == LO)
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print_Msg(F("LoROM"));
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else if (romType == EX)
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print_Msg(F("ExHiRom"));
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else
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print_Msg(romType);
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print_Msg(F(" "));
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if (romSpeed == 0)
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println_Msg(F("SlowROM"));
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else if (romSpeed == 2)
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println_Msg(F("SlowROM"));
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else if (romSpeed == 3)
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println_Msg(F("FastROM"));
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else
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println_Msg(romSpeed);
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print_Msg(F("ICs: ROM "));
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if (romChips == 0)
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println_Msg(F("ONLY"));
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else if (romChips == 1)
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println_Msg(F("RAM"));
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else if (romChips == 2)
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println_Msg(F("SAVE"));
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else if (romChips == 3)
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println_Msg(F("DSP1"));
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else if (romChips == 4)
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println_Msg(F("DSP1 RAM"));
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else if (romChips == 5)
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println_Msg(F("DSP1 SAVE"));
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else if ((romChips == 19) || (romChips == 20) || (romChips == 21) || (romChips == 26))
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println_Msg(F("SuperFX"));
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else if (romChips == 52) {
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println_Msg(F("SA1 RAM"));
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romType = SA;
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}
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else if (romChips == 53) {
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println_Msg(F("SA1 RAM BATT"));
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romType = SA;
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}
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else if (romChips == 69) {
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println_Msg(F("SDD1 BATT"));
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||
}
|
||
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(""));
|
||
|
||
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 (enable_OLED) {
|
||
println_Msg(F(" "));
|
||
println_Msg(F(" "));
|
||
println_Msg(F("Press Button..."));
|
||
display_Update();
|
||
wait();
|
||
}
|
||
|
||
else if (enable_Serial) {
|
||
println_Msg(F(" "));
|
||
}
|
||
|
||
// Start manual config
|
||
if (manualConfig == 1) {
|
||
confMenu();
|
||
}
|
||
}
|
||
|
||
void checkAltConf() {
|
||
char tempStr1[2];
|
||
char tempStr2[5];
|
||
char sizeStr[3];
|
||
char bankStr[3];
|
||
|
||
if (myFile.open("snes.txt", O_READ)) {
|
||
while (myFile.available()) {
|
||
// 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) {
|
||
|
||
// Skip the , in the file
|
||
myFile.seekSet(myFile.curPosition() + 1);
|
||
|
||
// Read next two bytes into a string
|
||
romSize = myFile.read() - 48;
|
||
romSize = romSize * 10 + myFile.read() - 48;
|
||
|
||
// Skip the , in the file
|
||
myFile.seekSet(myFile.curPosition() + 1);
|
||
|
||
// Add next two bytes to the string
|
||
numBanks = myFile.read() - 48;
|
||
numBanks = numBanks * 10 + myFile.read() - 48;
|
||
}
|
||
// If no match empty string advance by 8 and try again
|
||
else {
|
||
myFile.seekSet(myFile.curPosition() + 8);
|
||
}
|
||
}
|
||
}
|
||
// Close the file:
|
||
myFile.close();
|
||
}
|
||
|
||
// Read header information
|
||
boolean checkcart_SNES() {
|
||
// set control to read
|
||
dataIn();
|
||
|
||
// Get Checksum as string
|
||
sprintf(checksumStr, "%02X%02X", readBank_SNES(0, 65503), readBank_SNES(0, 65502));
|
||
|
||
romType = readBank_SNES(0, 0xFFD5);
|
||
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 = (readBank_SNES(0, 65493) >> 4);
|
||
|
||
// Check RomChips
|
||
romChips = readBank_SNES(0, 65494);
|
||
|
||
if (romChips == 69) {
|
||
romSize = 48;
|
||
numBanks = 96;
|
||
romType = HI;
|
||
}
|
||
else if (romChips == 243) {
|
||
cx4Type = readBank_SNES(0, 65481) & 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 = readBank_SNES(0, 65495) - 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 = 65472; i < 65492; i++) {
|
||
myByte = readBank_SNES(0, i);
|
||
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 = readBank_SNES(0, 0xFFB2 + i);
|
||
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 (readBank_SNES(0, 0x7FDA) == 0x33) {
|
||
sramSizeExp = readBank_SNES(0, 0x7FBD);
|
||
}
|
||
else {
|
||
if (strncmp(romName, "STARFOX2", 8) == 0) {
|
||
sramSizeExp = 6;
|
||
}
|
||
else {
|
||
sramSizeExp = 5;
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
// No SuperFX
|
||
sramSizeExp = readBank_SNES(0, 0xFFD8);
|
||
}
|
||
|
||
// Calculate sramSize
|
||
if (sramSizeExp != 0) {
|
||
sramSizeExp = sramSizeExp + 3;
|
||
sramSize = 1;
|
||
while (sramSizeExp--)
|
||
sramSize *= 2;
|
||
}
|
||
else {
|
||
sramSize = 0;
|
||
}
|
||
|
||
// Check Cart Country
|
||
cartCountry = readBank_SNES(0, 65497);
|
||
|
||
// ROM Version
|
||
romVersion = readBank_SNES(0, 65499);
|
||
|
||
// Test if checksum is equal to reverse checksum
|
||
if (((word(readBank_SNES(0, 65500)) + (word(readBank_SNES(0, 65501)) * 256)) + (word(readBank_SNES(0, 65502)) + (word(readBank_SNES(0, 65503)) * 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() {
|
||
|
||
println_Msg(F("Calculating Checksum"));
|
||
display_Update();
|
||
|
||
strcpy(fileName, romName);
|
||
strcat(fileName, ".sfc");
|
||
|
||
// last used rom folder
|
||
EEPROM_readAnything(10, 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) {
|
||
print_Msg(F("Result: "));
|
||
println_Msg(calcsumStr);
|
||
println_Msg(F("Checksum matches"));
|
||
display_Update();
|
||
return 1;
|
||
}
|
||
else {
|
||
print_Msg(F("Result: "));
|
||
println_Msg(calcsumStr);
|
||
print_Error(F("Checksum Error"), 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(10, 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(10, 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 );
|
||
}
|
||
|
||
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(""));
|
||
|
||
// 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("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();
|
||
|
||
// 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);
|
||
// Enable CPU Clock
|
||
clockgen.set_freq(357954500ULL, SI5351_CLK1);
|
||
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);
|
||
// 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(10, 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(10, 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();
|
||
// Set reset pin to output (PH0)
|
||
DDRH |= (1 << 0);
|
||
// Switch RST(PH0) to LOW
|
||
PORTH &= ~(1 << 0);
|
||
display_Clear();
|
||
print_Msg("Resetting...");
|
||
display_Update();
|
||
delay(3000); // wait 3 secs
|
||
asm volatile (" jmp 0");
|
||
}
|
||
// 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);
|
||
// Enable CPU Clock
|
||
clockgen.set_freq(357954500ULL, SI5351_CLK1);
|
||
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);
|
||
// 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();
|
||
}
|
||
|
||
//******************************************
|
||
// End of File
|
||
//******************************************
|