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.include "constants/gba_constants.inc"
.include "asm/macros.inc"
.syntax unified
.text
thumb_func_start InitBGPaletteBuffer
InitBGPaletteBuffer:
push {lr}
movs r2, 0
ldr r1, _0800465C
movs r0, 0x80
lsls r0, 2
_0800463E:
strh r2, [r1]
adds r1, 0x2
subs r0, 0x1
cmp r0, 0
bne _0800463E
ldr r1, _08004660
movs r2, 0x1
adds r0, r1, 0
adds r0, 0x1F
_08004650:
strb r2, [r0]
subs r0, 0x1
cmp r0, r1
bge _08004650
pop {r0}
bx r0
.align 2, 0
_0800465C: .4byte gUnknown_20251F0
_08004660: .4byte gUnknown_20251D0
thumb_func_end InitBGPaletteBuffer
thumb_func_start SetBGPaletteBufferColorRGB
SetBGPaletteBufferColorRGB:
push {r4-r7,lr}
adds r4, r0, 0
adds r5, r1, 0
cmp r2, 0
bge _08004670
movs r2, 0
_08004670:
cmp r2, 0x1F
ble _08004676
movs r2, 0x1F
_08004676:
ldr r1, _080046CC
adds r0, r4, 0
cmp r4, 0
bge _08004680
adds r0, 0xF
_08004680:
asrs r0, 4
adds r0, r1
movs r1, 0x1
strb r1, [r0]
cmp r3, 0
bne _080046D4
ldr r0, _080046D0
lsls r1, r4, 1
adds r6, r1, r0
ldrb r0, [r5, 0x2]
muls r0, r2
cmp r0, 0
bge _0800469C
adds r0, 0xFF
_0800469C:
asrs r0, 8
movs r3, 0x1F
ands r0, r3
lsls r4, r0, 10
ldrb r0, [r5, 0x1]
muls r0, r2
cmp r0, 0
bge _080046AE
adds r0, 0xFF
_080046AE:
asrs r0, 8
ands r0, r3
lsls r1, r0, 5
orrs r1, r4
ldrb r0, [r5]
muls r0, r2
cmp r0, 0
bge _080046C0
adds r0, 0xFF
_080046C0:
asrs r0, 8
ands r0, r3
orrs r1, r0
strh r1, [r6]
b _08004722
.align 2, 0
_080046CC: .4byte gUnknown_20251D0
_080046D0: .4byte gUnknown_20251F0
_080046D4:
ldr r1, _08004728
lsls r0, r4, 1
adds r7, r0, r1
ldrb r0, [r5, 0x2]
lsls r0, 2
adds r0, r3
ldrb r0, [r0, 0x2]
muls r0, r2
cmp r0, 0
bge _080046EA
adds r0, 0xFF
_080046EA:
asrs r0, 8
movs r4, 0x1F
ands r0, r4
lsls r6, r0, 10
ldrb r0, [r5, 0x1]
lsls r0, 2
adds r0, r3
ldrb r0, [r0, 0x1]
muls r0, r2
cmp r0, 0
bge _08004702
adds r0, 0xFF
_08004702:
asrs r0, 8
ands r0, r4
lsls r1, r0, 5
orrs r1, r6
ldrb r0, [r5]
lsls r0, 2
adds r0, r3
ldrb r0, [r0]
muls r0, r2
cmp r0, 0
bge _0800471A
adds r0, 0xFF
_0800471A:
asrs r0, 8
ands r0, r4
orrs r1, r0
strh r1, [r7]
_08004722:
pop {r4-r7}
pop {r0}
bx r0
.align 2, 0
_08004728: .4byte gUnknown_20251F0
thumb_func_end SetBGPaletteBufferColorRGB
thumb_func_start SetBGPaletteBufferColorArray
SetBGPaletteBufferColorArray:
push {lr}
adds r2, r0, 0
adds r3, r1, 0
ldr r1, _08004764
cmp r2, 0
bge _0800473A
adds r0, 0xF
_0800473A:
asrs r0, 4
adds r0, r1
movs r1, 0x1
strb r1, [r0]
ldr r0, _08004768
lsls r2, 1
adds r2, r0
ldrb r1, [r3, 0x2]
lsrs r1, 3
lsls r1, 10
ldrb r0, [r3, 0x1]
lsrs r0, 3
lsls r0, 5
orrs r1, r0
ldrb r0, [r3]
lsrs r0, 3
orrs r0, r1
strh r0, [r2]
pop {r0}
bx r0
.align 2, 0
_08004764: .4byte gUnknown_20251D0
_08004768: .4byte gUnknown_20251F0
thumb_func_end SetBGPaletteBufferColorArray
thumb_func_start SetBGPaletteBufferColor
SetBGPaletteBufferColor:
push {lr}
adds r2, r0, 0
adds r3, r1, 0
ldr r1, _08004790
cmp r2, 0
bge _0800477A
adds r0, 0xF
_0800477A:
asrs r0, 4
adds r0, r1
movs r1, 0x1
strb r1, [r0]
ldr r1, _08004794
lsls r0, r2, 1
adds r0, r1
ldrh r1, [r3]
strh r1, [r0]
pop {r0}
bx r0
.align 2, 0
_08004790: .4byte gUnknown_20251D0
_08004794: .4byte gUnknown_20251F0
thumb_func_end SetBGPaletteBufferColor
thumb_func_start nullsub_4
nullsub_4:
bx lr
thumb_func_end nullsub_4
thumb_func_start nullsub_5
nullsub_5:
bx lr
thumb_func_end nullsub_5
thumb_func_start nullsub_143
nullsub_143:
bx lr
thumb_func_end nullsub_143
thumb_func_start TransferBGPaletteBuffer
TransferBGPaletteBuffer:
push {r4-r6,lr}
movs r6, 0
movs r4, 0
movs r5, 0xA0
lsls r5, 19
_080047AE:
ldr r0, _080047DC
adds r1, r6, r0
ldrb r0, [r1]
cmp r0, 0
beq _080047CA
movs r0, 0
strb r0, [r1]
lsls r1, r4, 1
ldr r0, _080047E0
adds r1, r0
adds r0, r5, 0
movs r2, 0x20
bl CpuCopy
_080047CA:
adds r6, 0x1
adds r5, 0x20
adds r4, 0x10
ldr r0, _080047E4
cmp r4, r0
ble _080047AE
pop {r4-r6}
pop {r0}
bx r0
.align 2, 0
_080047DC: .4byte gUnknown_20251D0
_080047E0: .4byte gUnknown_20251F0
_080047E4: .4byte 0x000001ff
thumb_func_end TransferBGPaletteBuffer
.align 2, 0 @ Don't pad with nop.
|
