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.include "constants/gba_constants.inc"
.include "asm/macros.inc"
.syntax unified
.text
thumb_func_start sub_800B540
sub_800B540:
push {r4,lr}
ldr r1, _0800B5C8
movs r2, 0
adds r0, r1, 0
adds r0, 0x14
_0800B54A:
str r2, [r0]
subs r0, 0x4
cmp r0, r1
bge _0800B54A
bl nullsub_17
bl sub_800BD08
ldr r1, _0800B5CC
_0800B55C:
ldrh r0, [r1]
cmp r0, 0x9F
bls _0800B55C
ldr r4, _0800B5D0
ldrh r0, [r4]
movs r1, 0x45
eors r0, r1
strh r0, [r4]
movs r2, 0x80
lsls r2, 19
ldrb r0, [r2]
movs r1, 0x80
orrs r0, r1
strb r0, [r2]
ldr r0, _0800B5D4
bl sub_800B6B0
ldr r1, _0800B5D8
movs r0, 0xC1
lsls r0, 16
str r0, [r1]
ldrh r0, [r4]
ldr r2, _0800B5DC
adds r1, r2, 0
orrs r0, r1
strh r0, [r4]
ldr r1, _0800B5E0
movs r0, 0x28
strh r0, [r1]
ldr r1, _0800B5E4
movs r2, 0x1
negs r2, r2
adds r0, r2, 0
strh r0, [r1]
ldr r1, _0800B5E8
movs r0, 0
strh r0, [r1]
bl sub_800D6AC
bl sub_800D7D0
ldr r1, _0800B5EC
movs r0, 0x1
strb r0, [r1]
bl EnableInterrupts
ldr r1, _0800B5CC
_0800B5BA:
ldrh r0, [r1]
cmp r0, 0x9F
bls _0800B5BA
pop {r4}
pop {r0}
bx r0
.align 2, 0
_0800B5C8: .4byte gUnknown_202D5F0
_0800B5CC: .4byte 0x04000006
_0800B5D0: .4byte 0x04000200
_0800B5D4: .4byte gUnknown_80B9C00
_0800B5D8: .4byte 0x0400010c
_0800B5DC: .4byte 0x00002045
_0800B5E0: .4byte 0x04000004
_0800B5E4: .4byte gUnknown_203B0AE
_0800B5E8: .4byte gUnknown_203B0AC
_0800B5EC: .4byte gInterruptsEnabled
thumb_func_end sub_800B540
.align 2, 0 @ Don't pad with nop.
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