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Merge pull request #597 from nsx0r/patch-25

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added NES mapper 36
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sanni 2022-10-28 10:30:59 +02:00 committed by GitHub
commit bb706549e5
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1 changed files with 28 additions and 1 deletions
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27
Cart_Reader/NES.ino
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@ -55,6 +55,7 @@ static const byte PROGMEM mapsize[] = {
32, 3, 4, 5, 5, 0, 0, // irem g-101
33, 3, 4, 5, 6, 0, 0, // taito tc0190
34, 3, 3, 0, 0, 0, 0, // bnrom [nina-1 NOT SUPPORTED]
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)
45, 3, 6, 0, 8, 0, 0, // ga23c asic multicart [UNLICENSED]
47, 4, 4, 6, 6, 0, 0, // (super spike vball + world cup)
@ -2759,6 +2760,22 @@ void readPRG(boolean readrom) {
}
break;
case 36:
banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_byte(0xFFA0+i, (i<<4));
write_prg_byte(0x4101, 0);
write_prg_byte(0x4102, (i<<4));
write_prg_byte(0x4103, 0);
write_prg_byte(0x4100, 0);
write_prg_byte(0x4103, 0xFF);
write_prg_byte(0xFFFF, 0xFF);
for (word address = 0x0; address < 0x8000; address += 512) {
dumpPRG(base, address);
}
}
break;
case 37:
banks = ((int_pow(2, prgsize) * 2)) - 2; // Set Number of Banks
write_prg_byte(0xA001, 0x80); // Block Register - PRG RAM Chip Enable, Writable
@ -3535,6 +3552,16 @@ void readCHR(boolean readrom) {
}
break;
case 36:
banks = int_pow(2, chrsize) * 4;
for (int i = 0; i < banks; i += 8) {
write_prg_byte(0x4200, i);
for (word address = 0x0; address < 0x2000; address += 512) {
dumpCHR(address);
}
}
break;
case 37:
banks = int_pow(2, chrsize) * 4;
write_prg_byte(0xA001, 0x80); // Block Register - PRG RAM Chip Enable, Writable