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.include "constants/gba_constants.inc"
.include "asm/macros.inc"
.syntax unified
.text
thumb_func_start ReverseString
ReverseString:
push {r4,r5,lr}
adds r3, r0, 0
subs r4, r1, 0x1
adds r2, r3, r4
movs r5, 0
cmp r5, r4
bge _08004566
_08004552:
ldrb r1, [r3]
ldrb r0, [r2]
strb r0, [r3]
adds r3, 0x1
strb r1, [r2]
subs r2, 0x1
adds r5, 0x1
subs r4, 0x1
cmp r5, r4
blt _08004552
_08004566:
pop {r4,r5}
pop {r0}
bx r0
thumb_func_end ReverseString
thumb_func_start ConvertToDecimal
ConvertToDecimal:
push {r4-r7,lr}
adds r4, r1, 0
cmp r4, 0
ble _08004578
movs r7, 0x1
b _0800457E
_08004578:
negs r4, r4
movs r7, 0x1
negs r7, r7
_0800457E:
cmp r2, 0
ble _080045A0
adds r6, r0, 0
adds r5, r2, 0
_08004586:
adds r0, r4, 0
movs r1, 0xA
bl __modsi3
stm r6!, {r0}
adds r0, r4, 0
movs r1, 0xA
bl __divsi3
adds r4, r0, 0
subs r5, 0x1
cmp r5, 0
bne _08004586
_080045A0:
adds r0, r7, 0
pop {r4-r7}
pop {r1}
bx r1
thumb_func_end ConvertToDecimal
thumb_func_start ConvertFromDecimal
ConvertFromDecimal:
push {r4,r5,lr}
adds r4, r0, 0
adds r5, r1, 0
ldm r4!, {r1}
movs r3, 0xA
cmp r2, 0x1
ble _080045CA
subs r2, 0x1
_080045B8:
ldm r4!, {r0}
muls r0, r3
adds r1, r0
subs r2, 0x1
lsls r0, r3, 2
adds r0, r3
lsls r3, r0, 1
cmp r2, 0
bne _080045B8
_080045CA:
adds r0, r1, 0
cmp r5, 0
bge _080045D2
negs r0, r0
_080045D2:
pop {r4,r5}
pop {r1}
bx r1
thumb_func_end ConvertFromDecimal
thumb_func_start ConvertFromBCD
ConvertFromBCD:
push {r4,lr}
adds r1, r0, 0
movs r2, 0x1
movs r3, 0
cmp r1, 0
ble _080045FA
movs r4, 0xF
_080045E6:
adds r0, r1, 0
ands r0, r4
muls r0, r2
adds r3, r0
lsls r0, r2, 2
adds r0, r2
lsls r2, r0, 1
asrs r1, 4
cmp r1, 0
bgt _080045E6
_080045FA:
adds r0, r3, 0
pop {r4}
pop {r1}
bx r1
thumb_func_end ConvertFromBCD
thumb_func_start ConvertToBCD
ConvertToBCD:
push {r4-r6,lr}
adds r4, r0, 0
movs r5, 0
movs r6, 0
cmp r4, 0
ble _0800462C
_08004610:
adds r0, r4, 0
movs r1, 0xA
bl __modsi3
lsls r0, r5
adds r6, r0
adds r5, 0x4
adds r0, r4, 0
movs r1, 0xA
bl __divsi3
adds r4, r0, 0
cmp r4, 0
bgt _08004610
_0800462C:
adds r0, r6, 0
pop {r4-r6}
pop {r1}
bx r1
thumb_func_end ConvertToBCD
.align 2, 0 @ Don't pad with nop.
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