Fix bugs in SCF and CCF

[fpgaboy.git] / bootrom.asm

        SECTION "b",HOME[$100]
boot:   jr .running     ; $0100
        nop             ; $0102
        nop             ; $0103
        ;Nintendo Logo  ; $0104
        DB $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D 
        DB $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99 
        DB $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E
        ;$0134 
        DB $00,$E7,$00,$00,$00,$00,$00,$00, $00,$00,$00,$00,$00,$00,$00,$00
        ;$0144
        DB $00,$00,$00,$00,$00,$00,$00,$00, $00,$00,$00,$00,$00,$00,$00,$00
.running:
        ld a, $FF
        ld [$FF51], A
        ld a, $00
        ld [$FF25], a
.diq:   ld A, [$FF51]
        cp 0
        jr z, .diq
        ld a, 0
        LD [$FF40],A
        jp $0000