diff options
Diffstat (limited to 'home/lcdc.asm')
| -rw-r--r-- | home/lcdc.asm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/home/lcdc.asm b/home/lcdc.asm new file mode 100644 index 00000000..6172dd0d --- /dev/null +++ b/home/lcdc.asm @@ -0,0 +1,20 @@ +LCDC:: + push af + ld a, [hLCDCPointer] ; doubles as enabling byte + and a + jr z, .noLCDCInterrupt + push hl + ; [C700 + [rLY]] --> [FF00 + [hLCDCPointer]] + ld a, [rLY] + ld l, a + ld h, wLYOverrides / $100 + ld h, [hl] ; h != not part of pointer + ld a, [hLCDCPointer] + ld l, a + ld a, h + ld h, $ff + ld [hl], a + pop hl +.noLCDCInterrupt + pop af + reti |