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Add NES mapper 209

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Tested with "Shin Samurai Spirits 2 (JY-083)"
This commit is contained in:
splash5 2022-12-14 11:47:53 +08:00
parent ae809de616
commit 36c01f4c8d
1 changed files with 27 additions and 0 deletions
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27
Cart_Reader/NES.ino
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@ -130,6 +130,7 @@ static const byte PROGMEM mapsize[] = {
203, 1, 4, 1, 4, 0, 0, // various NROM-128 multicarts [UNLICENSED]
206, 1, 3, 2, 4, 0, 0, // dxrom
207, 4, 4, 5, 5, 0, 0, // taito x1-005 variant (fudou myouou den)
209, 0, 7, 1, 8, 0, 0, // J.Y. Company ASIC [UNLICENSED]
210, 3, 5, 5, 6, 0, 0, // namco 175/340
212, 0, 3, 0, 4, 0, 0, // BMC Super HiK 300-in-1 [UNLICENSED]
213, 1, 6, 1, 6, 0, 0, // BMC-GKB (C)NROM-based multicarts, duplicate of mapper 58 [UNLICENSED]
@ -3380,6 +3381,19 @@ void readPRG(boolean readrom) {
}
break;
case 209:
banks = int_pow(2, prgsize) * 2;
write_prg_byte(0xD000, 0x02);
for (byte i = 0; i < banks; i++) {
write_prg_byte(0xD003, (((i >> 5) & 0x06) | 0x20));
write_prg_byte(0x8000, (i & 0x3f));
for (word address = 0x0; address < 0x2000; address += 512) {
dumpPRG(base, address);
}
}
break;
case 210: // 128K/256K
banks = int_pow(2, prgsize) * 2;
for (int i = 0; i < banks; i += 2) {
@ -4353,6 +4367,19 @@ void readCHR(boolean readrom) {
}
break;
case 209:
banks = int_pow(2, chrsize) / 2;
write_prg_byte(0xD000, 0x02);
for (int i = 0; i < banks; i++) {
write_prg_byte(0xD003, (((i >> 3) & 0x18) | 0x20));
write_prg_byte(0x9000, (i & 0x3f));
for (word address = 0x0; address < 0x2000; address += 512) {
dumpCHR(address);
}
}
break;
case 210: // 128K/256K
banks = int_pow(2, chrsize) * 4;
write_prg_byte(0xE800, 0xC0); // CHR RAM DISABLE (Bit 6 and 7) [WRITE NO RAM]