X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/b4f3ac35e69b7d5adf57959902abe2a104b42f4f..a6b499da5fd2a834963cc05178e6b8044dc9129f:/diag.asm?ds=sidebyside diff --git a/diag.asm b/diag.asm index d269b25..3a3d665 100644 --- a/diag.asm +++ b/diag.asm @@ -1,9 +1,8 @@ - section "end",HOME[1024] - nop - SECTION "a",HOME[$00] -start: jp main +start: ld a, $AA + ld [$FF51], a + jr start section "vbl",HOME[$40] jp vbl @@ -14,6 +13,19 @@ start: jp main section "tmro",HOME[$50] jp tmro + SECTION "b",HOME[$100] +boot: jr main ; $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 + main: ld a, $FF ld c, $51 @@ -465,14 +477,14 @@ insntest: ; Serial port manipulation functions. putc: - ld c, $50 + ld c, $53 push af .waitport: ld a,[c] - cp $00 + and $01 jr nz,.waitport pop af - ld [c],a + ld [$FF52],a ret puts: