[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
Commit	Line	Data
b4f3ac35 JW	1	SECTION "b",HOME[$100]
	2	boot: jr .running ; $0100
	3	nop ; $0102
	4	nop ; $0103
	5	;Nintendo Logo ; $0104
	6	DB $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D
	7	DB $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99
	8	DB $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E
	9	;$0134
	10	DB $00,$E7,$00,$00,$00,$00,$00,$00, $00,$00,$00,$00,$00,$00,$00,$00
	11	;$0144
	12	DB $00,$00,$00,$00,$00,$00,$00,$00, $00,$00,$00,$00,$00,$00,$00,$00
	13	.running:
	14	ld a, $FF
	15	ld [$FF51], A
01878f5f JW	16	ld a, $00
01878f5f JW	17	ld [$FF25], a
09c1936c JW	18	.diq: ld A, [$FF51]
	19	cp 0
	20	jr z, .diq
01878f5f JW	21	ld a, 0
01878f5f JW	22	LD [$FF40],A
09c1936c JW	23	jp $0000
09c1936c JW	24