DisplayImg

.text
.align 2
.thumb
.thumb_func

DisplayImg:
ldr r1, setLocation
ldr r0, set
swi 0x12
ldr r1, mapLocation
ldr r0, map
swi 0x12
ldr r1, palLocation
ldr r0, pal
swi 0x11
b WaitForInputLoop

WaitForInputLoop:
ldr r0, keyInput
ldrb r0, [r0, #0x0]
neg r0, r0
mov r1, #0x2
tst r0, r1
beq WaitForInputLoop

End:
bx lr

.align 2
pal:            .word 0x08825510 @ pointer to palette (.pal)
palLocation:    .word 0x020375F8 + (0x20 * 0xD) @ palette slot 0xD, replace 0xD with the pal slot you want to use
set:            .word 0x08824310 @ pointer to tileset (.bmp)
setLocation:    .word 0x06008000 @ char base for bg0
map:            .word 0x088251A0 @ pointer to tilemap (.raw)
mapLocation:    .word 0x0600F800 @ map base for bg0
keyInput:       .word 0x04000130 @ check key input