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| author | nsx0r <[email protected]> | 2022-11-24 22:18:46 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2022-11-24 22:18:46 +0100 |
| commit | 2c477ddae1581eda45bd24162b4a66104ed881cf (patch) | |
| tree | ddb96249e27bb10a69b0a81380710f0bff9380f6 /Cart_Reader | |
| parent | a93a9e51dee42b379ee4024aec11ddcd1fd865ca (diff) | |
| download | cartreader-2c477ddae1581eda45bd24162b4a66104ed881cf.tar.gz cartreader-2c477ddae1581eda45bd24162b4a66104ed881cf.zip | |
added NES mapper 176
added NES mapper 176, tested working
Diffstat (limited to 'Cart_Reader')
| -rw-r--r-- | Cart_Reader/NES.ino | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Cart_Reader/NES.ino b/Cart_Reader/NES.ino index 0634e2f..d94e8c7 100644 --- a/Cart_Reader/NES.ino +++ b/Cart_Reader/NES.ino @@ -105,6 +105,7 @@ static const byte PROGMEM mapsize[] = { 155, 3, 3, 3, 5, 0, 1, // mmc1 variant [sram r/w] 158, 3, 3, 5, 5, 0, 0, // tengen rambo-1 variant (alien syndrome (u)) [UNLICENSED] 159, 3, 4, 5, 6, 1, 1, // bandai x24c01 [eep r/w] + 176, 4, 4, 5, 5, 0, 0, // 8025 enhanced MMC3 [UNLICENSED] 180, 3, 3, 0, 0, 0, 0, // unrom variant (crazy climber) 184, 1, 1, 2, 3, 0, 0, // sunsoft 1 185, 0, 1, 1, 1, 0, 0, // cnrom lockout @@ -3110,6 +3111,25 @@ void readPRG(boolean readrom) { } } break; + + case 176: + banks = int_pow(2, prgsize) * 2; + write_prg_byte(0x5FF3, 0); // extended MMC3 mode: disabled + write_prg_byte(0x5FF0, 1); // 256K outer bank mode + for (int i = 0; i < banks-3; i += 2) { + write_prg_byte(0x5FF1, (i & 0xE0) >> 1); // outer bank select + write_prg_byte(0x8000, 6); + write_prg_byte(0x8001, i); + write_prg_byte(0x8000, 7); + write_prg_byte(0x8001, i + 1); + for (word address = 0x0; address < 0x4000; address += 512) { + dumpPRG(base, address); + } + } + for (word address = 0x4000; address < 0x8000; address += 512) { + dumpPRG(base, address); + } + break; case 200: banks = int_pow(2, prgsize); @@ -3919,6 +3939,34 @@ void readCHR(boolean readrom) { } } break; + + case 176: + banks = int_pow(2, chrsize) * 4; + write_prg_byte(0x5FF3, 0); // extended MMC3 mode: disabled + write_prg_byte(0x5FF0, 1); // 256K outer bank mode + for (int i = 0; i < banks; i += 8) { + write_prg_byte(0x5FF2, (i & 0x700) >> 3); // outer 256k bank + write_prg_byte(0x8000, 0); + write_prg_byte(0x8001, i); + write_prg_byte(0x8000, 0x0A); + write_prg_byte(0x8001, i + 1); + write_prg_byte(0x8000, 1); + write_prg_byte(0x8001, i + 2); + write_prg_byte(0x8000, 0x0B); + write_prg_byte(0x8001, i + 3); + write_prg_byte(0x8000, 2); + write_prg_byte(0x8001, i + 4); + write_prg_byte(0x8000, 3); + write_prg_byte(0x8001, i + 5); + write_prg_byte(0x8000, 4); + write_prg_byte(0x8001, i + 6); + write_prg_byte(0x8000, 5); + write_prg_byte(0x8001, i + 7); + for (word address = 0x0; address < 0x2000; address += 512) { + dumpCHR(address); + } + } + break; case 184: // 16K/32K banks = int_pow(2, chrsize); |