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https://github.com/sanni/cartreader.git
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Patching header for some games
(No affect on rom file dumping)
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splash5
parent
92c7a41c97
commit
5e77331912
@ -20,10 +20,22 @@ static const char wsMenuItem3[] PROGMEM = "Write Save";
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static const char wsMenuItem4[] PROGMEM = "Reset";
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static const char* const menuOptionsWS[] PROGMEM = {wsMenuItem1, wsMenuItem2, wsMenuItem3, wsMenuItem4};
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/******************************************
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* Developer Name
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*****************************************/
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static const char wsDevNameXX[] PROGMEM = "XXX";
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static const char wsDevName01[] PROGMEM = "BAN";
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static const char wsDevName12[] PROGMEM = "KNM";
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static const char wsDevName18[] PROGMEM = "KGT";
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static const char wsDevName1D[] PROGMEM = "BEC";
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static const char wsDevName24[] PROGMEM = "0MN";
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static const char wsDevName28[] PROGMEM = "SQR";
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static const char wsDevName31[] PROGMEM = "VGD";
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static uint8_t wsGameOrientation = 0;
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static uint8_t wsGameHasRTC = 0;
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static uint16_t wsGameChecksum = 0;
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static uint8_t wsEepromShiftReg[5];
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static uint8_t wsEepromShiftReg[2];
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void setup_WS()
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{
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@ -140,18 +152,93 @@ uint8_t getCartInfo_WS()
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for (uint32_t i = 0; i < 16; i += 2)
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*((uint16_t*)(sdBuffer + i)) = readWord_WS(0xffff0 + i);
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// developer and cartID
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snprintf(cartID, 5, "%02X%02X", sdBuffer[6], sdBuffer[8]);
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wsGameChecksum = *(uint16_t*)(sdBuffer + 14);
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// some game has wrong info in header
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// patch here
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switch (wsGameChecksum)
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{
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// games with 256kbits SRAM installed
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case 0xe600: // BAN007
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case 0x8eed: // BANC16
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{
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sdBuffer[11] = 0x02;
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break;
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}
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// games missing 'COLOR' flag
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case 0x26db: // SQRC01
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{
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sdBuffer[7] = 0x01;
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break;
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}
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case 0x7f73: // BAN030
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{
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// missing developerId and cartId
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sdBuffer[6] = 0x01;
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sdBuffer[8] = 0x30;
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break;
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}
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case 0x0000:
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{
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// developerId/cartId/checksum are all filled with 0x00 in wonderwitch based games
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if (readWord_WS(0xf0000) == 0x4c45 && readWord_WS(0xf0002) == 0x5349 && readWord_WS(0xf0004) == 0x0041)
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{
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// looking for "<Ini" string
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if (readWord_WS(0xec456) == 0x493c && readWord_WS(0xec458) == 0x696e)
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{
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// wonderwitch SWJ-7AC003
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sdBuffer[6] = 0x7a;
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sdBuffer[8] = 0xc3;
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// TODO check OS version and fill into version field
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}
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// looking for "<Ini" string
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else if (readWord_WS(0x839d8) == 0x493c && readWord_WS(0x839da) == 0x696e)
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{
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if (readWord_WS(0x93246) == 0x4a2f && readWord_WS(0x93248) == 0x5353 && readWord_WS(0x9324a) == 0x2e32)
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{
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// jss2
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// TODO check jss version
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sdBuffer[6] = 0xff; // WWGP
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sdBuffer[8] = 0x1a; // 2001A
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sdBuffer[7] = 0x01; // color only
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if (readWord_WS(0x93e9c) == 0x4648 && readWord_WS(0x93e9e) == 0x0050)
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{
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// WWGP2001A3 -> HFP Version
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sdBuffer[9] = 0x03;
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wsGameChecksum = 0x4870;
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}
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else
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{
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// TODO other version
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}
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}
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else if (readWord_WS(0xe4260) == 0x6b64 && readWord_WS(0xe4262) == 0x696e)
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{
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// dknight
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sdBuffer[6] = 0xff; // WWGP
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sdBuffer[8] = 0x2b; // 2002B
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sdBuffer[7] = 0x01; // color only
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sdBuffer[9] = 0x00;
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wsGameChecksum = 0x8b1c;
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}
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}
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}
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break;
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}
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}
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romType = sdBuffer[7]; // wsc only = 1
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romVersion = sdBuffer[9];
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romSize = sdBuffer[10];
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sramSize = sdBuffer[11];
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wsGameOrientation = (sdBuffer[12] & 0x01);
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wsGameHasRTC = (sdBuffer[13] & 0x01);
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wsGameChecksum = *(uint16_t*)(sdBuffer + 14);
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snprintf(checksumStr, 5, "%04X", wsGameChecksum);
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strncpy(romName, cartID, sizeof(romName) - 1);
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snprintf(vendorID, 4, "%02X", sdBuffer[6]);
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snprintf(cartID, 4, "%c%02X", ((romType & 0x01) ? 'C' : '0'), sdBuffer[8]);
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snprintf(checksumStr, 5, "%04X", wsGameChecksum);
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snprintf(romName, 17, "%s%s", vendorID, cartID);
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switch (romSize)
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{
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@ -194,7 +281,7 @@ void showCartInfo_WS()
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println_Msg(F("WonderSwan Cart Info"));
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print_Msg(F("Game: "));
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println_Msg(cartID);
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println_Msg(romName);
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print_Msg(F("Rom Size: "));
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if (cartSize == 0x00)
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@ -307,7 +394,7 @@ void readSRAM_WS()
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uint32_t bank_size = (sramSize << 7);
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uint16_t end_bank = (bank_size >> 16); // 64KB per bank
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if (end_bank > 0)
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if (bank_size > 0x10000)
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bank_size = 0x10000;
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uint16_t bank = 0;
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@ -349,7 +436,7 @@ void verifySRAM_WS()
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uint16_t bank = 0;
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uint32_t write_errors = 0;
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if (end_bank > 0)
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if (bank_size > 0x10000)
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bank_size = 0x10000;
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do
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@ -410,7 +497,7 @@ void writeSRAM_WS()
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uint32_t bank_size = (sramSize << 7);
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uint16_t end_bank = (bank_size >> 16); // 64KB per bank
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if (end_bank > 0)
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if (bank_size > 0x10000)
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bank_size = 0x10000;
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uint16_t bank = 0;
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@ -478,12 +565,12 @@ void readEEPROM_WS()
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if ((j & 0x1f) == 0x00)
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PORTB ^= (1 << 4);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x2, ((i + j) >> 1), 0x00, 0x00);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x2, ((i + j) >> 1));
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dataOut_WS();
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writeByte_WSPort(0xc6, wsEepromShiftReg[2]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[3]);
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writeByte_WSPort(0xc8, wsEepromShiftReg[4]);
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writeByte_WSPort(0xc6, wsEepromShiftReg[0]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[1]);
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writeByte_WSPort(0xc8, 0x10);
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// MMC will shift out from port 0xc7 to 0xc6
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// and shift in 16bits into port 0xc5 to 0xc4
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@ -522,12 +609,12 @@ void verifyEEPROM_WS()
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if ((j & 0x1f) == 0x00)
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PORTB ^= (1 << 4);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x2, ((i + j) >> 1), 0x00, 0x00);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x2, ((i + j) >> 1));
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dataOut_WS();
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writeByte_WSPort(0xc6, wsEepromShiftReg[2]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[3]);
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writeByte_WSPort(0xc8, wsEepromShiftReg[4]);
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writeByte_WSPort(0xc6, wsEepromShiftReg[0]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[1]);
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writeByte_WSPort(0xc8, 0x10);
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// MMC will shift out from port 0xc7 to 0xc6
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// and shift in 16bits into port 0xc5 to 0xc4
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@ -591,14 +678,14 @@ void writeEEPROM_WS()
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if ((j & 0x1f) == 0x00)
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PORTB ^= (1 << 4);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x1, ((i + j) >> 1), sdBuffer[j], sdBuffer[j + 1]);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x1, ((i + j) >> 1));
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dataOut_WS();
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writeByte_WSPort(0xc6, wsEepromShiftReg[2]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[3]);
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writeByte_WSPort(0xc4, wsEepromShiftReg[0]);
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writeByte_WSPort(0xc5, wsEepromShiftReg[1]);
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writeByte_WSPort(0xc8, wsEepromShiftReg[4]);
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writeByte_WSPort(0xc6, wsEepromShiftReg[0]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[1]);
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writeByte_WSPort(0xc4, sdBuffer[j]);
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writeByte_WSPort(0xc5, sdBuffer[j + 1]);
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writeByte_WSPort(0xc8, 0x20);
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// MMC will shift out from port 0xc7 to 0xc4
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pulseCLK_WS(1 + 32 + 3);
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@ -651,7 +738,7 @@ boolean compareChecksum_WS(const char *wsFilePath)
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myFile.close();
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checksum &= 0x0000ffff;
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calLength = *((uint16_t*)(sdBuffer + 512 - 2));
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calLength = wsGameChecksum;
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// don't know why formating string "%04X(%04X)" always output "xxxx(0000)"
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// so split into two snprintf
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@ -758,68 +845,42 @@ uint16_t readWord_WS(uint32_t addr)
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void unprotectEEPROM()
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{
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generateEepromInstruction_WS(wsEepromShiftReg, 0x0, 0x3, 0x00, 0x00);
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generateEepromInstruction_WS(wsEepromShiftReg, 0x0, 0x3);
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dataOut_WS();
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writeByte_WSPort(0xc6, wsEepromShiftReg[2]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[3]);
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writeByte_WSPort(0xc8, wsEepromShiftReg[4]);
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writeByte_WSPort(0xc6, wsEepromShiftReg[0]);
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writeByte_WSPort(0xc7, wsEepromShiftReg[1]);
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writeByte_WSPort(0xc8, 0x40);
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// MMC will shift out port 0xc7 to 0xc6 to EEPROM
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pulseCLK_WS(1 + 16 + 3);
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}
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// generate data for port 0xc4 to 0xc8
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// generate data for port 0xc6 to 0xc7
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// number of CLK pulses needed for each instruction is 1 + (16 or 32) + 3
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void generateEepromInstruction_WS(uint8_t *instruction, uint8_t opcode, uint16_t addr, uint8_t l_data, uint8_t h_data)
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void generateEepromInstruction_WS(uint8_t *instruction, uint8_t opcode, uint16_t addr)
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{
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uint32_t *ptr = (uint32_t*)instruction;
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uint8_t addr_bits = (sramSize > 1 ? 10 : 6);
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*ptr = 0x00000001; // initial with a start bit
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uint16_t *ptr = (uint16_t*)instruction;
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*ptr = 0x0001; // initial with a start bit
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switch (opcode)
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if (opcode == 0)
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{
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case 0x00:
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{
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addr &= 0x0003;
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*ptr <<= 2; // opcode = 0x0
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*ptr = ((*ptr << 2) | addr);
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// 2bits opcode = 0x00
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*ptr <<= 2;
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// 2bits ext cmd (from addr)
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*ptr <<= 2;
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*ptr |= (addr & 0x0003);
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*ptr <<= (addr_bits - 2);
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*ptr <<= 16;
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if (addr == 0x01)
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{
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// WRAL: fill every byte in eeprom with same data
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instruction[0] = l_data;
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instruction[1] = h_data;
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instruction[4] = 0x20;
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}
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else
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{
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instruction[4] = 0x40;
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}
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break;
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}
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case 1: // WRITE
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{
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*ptr = ((*ptr << 2) | opcode); // 2bits opcode
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*ptr = ((*ptr << addr_bits) | addr); // address bits
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*ptr <<= 16;
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instruction[0] = l_data;
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instruction[1] = h_data;
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instruction[4] = 0x20;
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break;
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}
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case 2: // READ
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case 3: // ERASE
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{
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*ptr = ((*ptr << 2) | opcode); // 2bits opcode
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*ptr = ((*ptr << addr_bits) | addr); // address bits
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*ptr <<= 16;
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instruction[4] = (opcode == 2 ? 0x10 : 0x20);
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break;
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}
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// 2bits opcode
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*ptr <<= 2;
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*ptr |= (opcode & 0x03);
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// address bits
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*ptr <<= addr_bits;
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*ptr |= (addr & ((1 << addr_bits) - 1));
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}
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}
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