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Update NES.ino - fixed mapper 88

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Update NES.ino - fixed mapper 88
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nsx0r 2025-01-01 13:50:35 +00:00 committed by GitHub
parent 44ad089188
commit c6f3e8b8f4
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1 changed files with 24 additions and 1 deletions
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Cart_Reader/NES.ino
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@ -2888,7 +2888,6 @@ void readCHR(bool readrom) {
case 52:
case 64:
case 76:
case 88: // 128K
case 95: // 32K
case 118:
case 119:
@ -3408,6 +3407,30 @@ void readCHR(bool readrom) {
}
break;
case 88:
banks = int_pow(2, chrsize) * 4;
write_prg_byte(0xA001, 0x80);
for (size_t i = 0; i < banks; i += 4) {
if (i < 64) {
write_prg_byte(0x8000, 0);
write_prg_byte(0x8001, i);
write_prg_byte(0x8000, 1);
write_prg_byte(0x8001, i + 2);
dumpBankCHR(0x0, 0x1000);
} else {
write_prg_byte(0x8000, 2);
write_prg_byte(0x8001, i);
write_prg_byte(0x8000, 3);
write_prg_byte(0x8001, i + 1);
write_prg_byte(0x8000, 4);
write_prg_byte(0x8001, i + 2);
write_prg_byte(0x8000, 5);
write_prg_byte(0x8001, i + 3);
dumpBankCHR(0x1000, 0x2000);
}
}
break;
case 89: // 128K
banks = int_pow(2, chrsize) / 2;
for (size_t i = 0; i < banks; i++) { // 8K Banks