snes-asm/test_gfx.asm

.include "header.inc"
.include "snes_init.asm"
.include "my_custom.asm"

.BANK 0 SLOT 0
.org 0
.section "Vblank"

VBlank:
    rti

.ENDS

.BANK 0 SLOT 0
.ORG 0
.section "Main"

Start:
    Snes_Init

; 16-bit xy, 8-bit a
rep #%00010000
sep #%00100000

; Load palette by writing to $2122
; .db $00, $00, $E0, $7F, $1F, $00, $FF, $03

    Load_Palette_Color $00, $00
    Load_Palette_Color $00, $00
    Load_Palette_Color $00, $00
    Load_Palette_Color $ff, $0a

;lda #%00000


    Set_Screen_Brightness %00001111

lda #%10000001  ; enable NMI and joypads
sta $4200

mainloop:
    Spin_Loop $02

    Reset_Palette_Offset
    Load_Palette_Color $00, $00
    Load_Palette_Color $00, $00
    Load_Palette_Color $00, $00
    Load_Palette_Color $ff, $0a

    Spin_Loop $02

    Reset_Palette_Offset
    Load_Palette_Color $ff, $a0
    Load_Palette_Color $00, $00
    Load_Palette_Color $00, $00
    Load_Palette_Color $ff, $0a

    jmp mainloop

.ENDS


.BANK 1 SLOT 0
.org 0
.section "TileData"

Face:
    .db %00000000
    .db %00000000

    .db %11000011
    .db %11000011

    .db %11000011
    .db %11000011

    .db %00111000
    .db %00111000

    .db %00111000
    .db %00111000

    .db %10000001
    .db %10000001

    .db %01000010
    .db %01000010

    .db %00111100
    .db %00111100

.ENDS