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Fix for Codemasters Duplicate Checksums

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sanni 2019-08-26 07:23:05 +02:00
parent 13243cdba4
commit 3559eb3185
1 changed files with 12 additions and 0 deletions
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12
Cart_Reader/MD.ino
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@ -440,6 +440,18 @@ void getCartInfo_MD() {
} }
} }
// Codemasters EEPROM Check
// Codemasters used the same incorrect header across multiple carts
// Carts with checksum 0x165E or 0x168B could be EEPROM or non-EEPROM
// Check the first DWORD in ROM (0x444E4C44) to identify the EEPROM carts
if ((chksum == 0x165E) || (chksum == 0x168B)) {
if (readWord_MD(0x00) != 0x444E) { // NOT SERIAL EEPROM
eepType = 0;
eepSize = 0;
saveType = 0;
}
}
if (saveType != 4) { // NOT SERIAL EEPROM if (saveType != 4) { // NOT SERIAL EEPROM
// Check if cart has sram // Check if cart has sram
saveType = 0; saveType = 0;