pokefirered/asm/math_util.s
2017-12-17 03:44:39 -08:00

203 lines
2.9 KiB
ArmAsm

.include "asm/macros.inc"
.include "constants/constants.inc"
.syntax unified
.text
thumb_func_start sub_80D8AA0
sub_80D8AA0: @ 80D8AA0
push {lr}
lsls r0, 16
asrs r0, 16
lsls r1, 16
asrs r1, 16
muls r0, r1
adds r1, r0, 0
cmp r0, 0
bge _080D8AB4
adds r1, 0xFF
_080D8AB4:
lsls r0, r1, 8
asrs r0, 16
pop {r1}
bx r1
thumb_func_end sub_80D8AA0
thumb_func_start sub_80D8ABC
sub_80D8ABC: @ 80D8ABC
push {lr}
adds r3, r1, 0
lsls r0, 24
lsrs r0, 24
lsls r3, 16
asrs r3, 16
lsls r2, 16
asrs r2, 16
muls r3, r2
movs r1, 0x1
lsls r1, r0
adds r0, r3, 0
bl __divsi3
lsls r0, 16
asrs r0, 16
pop {r1}
bx r1
thumb_func_end sub_80D8ABC
thumb_func_start sub_80D8AE0
sub_80D8AE0: @ 80D8AE0
push {r4-r7,lr}
adds r2, r1, 0
adds r4, r0, 0
asrs r5, r0, 31
asrs r3, r2, 31
adds r1, r5, 0
adds r0, r4, 0
bl __muldi3
adds r5, r1, 0
adds r4, r0, 0
adds r7, r5, 0
adds r6, r4, 0
cmp r5, 0
bge _080D8B06
movs r6, 0xFF
movs r7, 0
adds r6, r4
adcs r7, r5
_080D8B06:
lsls r3, r7, 24
lsrs r2, r6, 8
adds r0, r3, 0
orrs r0, r2
asrs r1, r7, 8
adds r5, r1, 0
adds r4, r0, 0
adds r0, r4, 0
pop {r4-r7}
pop {r1}
bx r1
thumb_func_end sub_80D8AE0
thumb_func_start sub_80D8B1C
sub_80D8B1C: @ 80D8B1C
push {lr}
lsls r0, 16
lsrs r0, 16
lsls r1, 16
asrs r1, 16
cmp r1, 0
beq _080D8B38
lsls r0, 16
asrs r0, 8
bl __divsi3
lsls r0, 16
asrs r0, 16
b _080D8B3A
_080D8B38:
movs r0, 0
_080D8B3A:
pop {r1}
bx r1
thumb_func_end sub_80D8B1C
thumb_func_start sub_80D8B40
sub_80D8B40: @ 80D8B40
push {lr}
lsls r0, 24
lsrs r3, r0, 24
lsls r1, 16
lsrs r0, r1, 16
lsls r2, 16
asrs r1, r2, 16
cmp r1, 0
beq _080D8B62
lsls r0, 16
asrs r0, 16
lsls r0, r3
bl __divsi3
lsls r0, 16
asrs r0, 16
b _080D8B64
_080D8B62:
movs r0, 0
_080D8B64:
pop {r1}
bx r1
thumb_func_end sub_80D8B40
thumb_func_start sub_80D8B68
sub_80D8B68: @ 80D8B68
push {r4-r6,lr}
adds r6, r1, 0
cmp r6, 0
beq _080D8B88
adds r2, r0, 0
asrs r3, r0, 31
lsrs r5, r2, 24
lsls r4, r3, 8
adds r1, r5, 0
orrs r1, r4
lsls r0, r2, 8
adds r2, r6, 0
asrs r3, r6, 31
bl __divdi3
b _080D8B8A
_080D8B88:
movs r0, 0
_080D8B8A:
pop {r4-r6}
pop {r1}
bx r1
thumb_func_end sub_80D8B68
thumb_func_start sub_80D8B90
sub_80D8B90: @ 80D8B90
push {lr}
adds r1, r0, 0
movs r0, 0x80
lsls r0, 9
lsls r1, 16
asrs r1, 16
bl __divsi3
lsls r0, 16
asrs r0, 16
pop {r1}
bx r1
thumb_func_end sub_80D8B90
thumb_func_start sub_80D8BA8
sub_80D8BA8: @ 80D8BA8
push {lr}
lsls r0, 24
lsrs r0, 24
movs r2, 0x80
lsls r2, 1
lsls r2, r0
lsls r1, 16
asrs r1, 16
adds r0, r2, 0
bl __divsi3
lsls r0, 16
asrs r0, 16
pop {r1}
bx r1
thumb_func_end sub_80D8BA8
thumb_func_start sub_80D8BC8
sub_80D8BC8: @ 80D8BC8
push {lr}
adds r2, r0, 0
ldr r1, _080D8BE0 @ =0x00000000
ldr r0, _080D8BDC @ =0x00010000
asrs r3, r2, 31
bl __divdi3
pop {r1}
bx r1
.align 2, 0
_080D8BDC: .4byte 0x00010000
_080D8BE0: .4byte 0x00000000
thumb_func_end sub_80D8BC8
.align 2, 0 @ Don't pad with nop.