diff options
| author | IIMarckus <iimarckus@gmail.com> | 2012-07-04 22:27:23 -0600 |
|---|---|---|
| committer | IIMarckus <iimarckus@gmail.com> | 2012-07-04 22:27:23 -0600 |
| commit | 699cbaa8176bc384d98561bf627581fc54cba130 (patch) | |
| tree | 12f63db02e3fcbe0bcab3cd719a5d0e8744c0a94 | |
| parent | 92e80be51b3ec02c77b3d0365722f0e8c50af2d7 (diff) | |
Add special 0x66, the Game Boy version check.
| -rw-r--r-- | main.asm | 25 |
1 files changed, 23 insertions, 2 deletions
@@ -660,7 +660,7 @@ SpecialsPointers: ; 0xc029 dbw $01,$741d dbw $03,$4472 dbw $09,$65ee - dbw $03,$4478 + dbw BANK(SpecialGameboyCheck),SpecialGameboyCheck dbw $03,$44b9 dbw $05,$6dc7 dbw $0a,$62a0 @@ -779,7 +779,28 @@ SpecialSnorlaxAwake: ; 0xc43d db $24,$09 db $ff -INCBIN "baserom.gbc",$c472,$c5d2 - $c472 +INCBIN "baserom.gbc",$c472,$c478 - $c472 + +SpecialGameboyCheck: ; 0xc478 + ld a, [$ff00+$e6] + and a + jr nz, .color + ld a, [$ff00+$e7] + and a + jr nz, .unknown + xor a + jr .done +.unknown ; XXX what is this? + ld a, $1 + jr .done + +.color + ld a, $2 +.done + ld [$c2dd], a + ret + +INCBIN "baserom.gbc",$c48f,$c5d2 - $c48f PrintNumber_PrintDigit: ; c5d2 INCBIN "baserom.gbc",$c5d2,$c644 - $c5d2 |