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[NES] Updated mapper 34 with NINA support

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Updated mapper 34 with NINA support
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nsx0r 2023-04-10 10:35:17 +02:00 committed by GitHub
parent 6686d7bb33
commit 12d2a6cac4
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1 changed files with 23 additions and 2 deletions
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Cart_Reader/NES.ino
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@ -57,7 +57,7 @@ static const byte PROGMEM mapsize[] = {
31, 6, 6, 0, 0, 0, 0, // NSF music compilations [UNLICENSED]
32, 3, 4, 5, 5, 0, 0, // irem g-101
33, 3, 4, 5, 6, 0, 0, // taito tc0190
34, 3, 5, 0, 0, 0, 0, // bnrom [nina-1 NOT SUPPORTED]
34, 1, 8, 0, 4, 0, 0, // BxROM & NINA
35, 0, 7, 1, 8, 0, 0, // J.Y. Company ASIC [UNLICENSED]
36, 0, 3, 1, 5, 0, 0, // TXC 01-22000-400 Board [UNLICENSED]
37, 4, 4, 6, 6, 0, 0, // (super mario bros + tetris + world cup)
@ -2616,7 +2616,6 @@ void readPRG(boolean readrom) {
break;
case 7: // 128K/256K
case 34:
case 77:
case 96: // 128K
case 177: // up to 1024K
@ -2837,6 +2836,17 @@ void readPRG(boolean readrom) {
}
break;
case 34: // BxROM/NINA
banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_byte(0x7FFD, i); // NINA Bank select
write_prg_byte(0x8000, i); // BxROM bank select
for (word address = 0x0; address < 0x8000; address += 512) { // 32K Banks ($8000-$FFFF)
dumpPRG(base, address);
}
}
break;
case 35:
case 90:
case 209:
@ -3971,6 +3981,17 @@ void readCHR(boolean readrom) {
}
break;
case 34: // NINA
banks = int_pow(2, chrsize);
for (int i = 0; i < banks; i += 2) {
write_prg_byte(0x7FFE, i); // Select 4 KB CHR bank at $0000
write_prg_byte(0x7FFF, i + 1); // Select 4 KB CHR bank at $1000
for (word address = 0x0; address < 0x2000; address += 512) {
dumpCHR(address);
}
}
break;
case 35:
case 90:
case 209: