pokeemerald/asm/math_util.s
2017-10-28 15:58:07 -04:00

129 lines
1.8 KiB
ArmAsm

.include "asm/macros.inc"
.include "constants/constants.inc"
.syntax unified
.text
thumb_func_start sub_81515B0
sub_81515B0: @ 81515B0
push {lr}
lsls r0, 16
lsrs r0, 16
lsls r1, 16
asrs r1, 16
cmp r1, 0
beq _081515CC
lsls r0, 16
asrs r0, 8
bl __divsi3
lsls r0, 16
asrs r0, 16
b _081515CE
_081515CC:
movs r0, 0
_081515CE:
pop {r1}
bx r1
thumb_func_end sub_81515B0
thumb_func_start sub_81515D4
sub_81515D4: @ 81515D4
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 _081515F6
lsls r0, 16
asrs r0, 16
lsls r0, r3
bl __divsi3
lsls r0, 16
asrs r0, 16
b _081515F8
_081515F6:
movs r0, 0
_081515F8:
pop {r1}
bx r1
thumb_func_end sub_81515D4
thumb_func_start sub_81515FC
sub_81515FC: @ 81515FC
push {r4-r6,lr}
adds r6, r1, 0
cmp r6, 0
beq _0815161C
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 _0815161E
_0815161C:
movs r0, 0
_0815161E:
pop {r4-r6}
pop {r1}
bx r1
thumb_func_end sub_81515FC
thumb_func_start sub_8151624
sub_8151624: @ 8151624
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_8151624
thumb_func_start sub_815163C
sub_815163C: @ 815163C
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_815163C
thumb_func_start sub_815165C
sub_815165C: @ 815165C
push {lr}
adds r2, r0, 0
ldr r1, _08151674
ldr r0, _08151670
asrs r3, r2, 31
bl __divdi3
pop {r1}
bx r1
.align 2, 0
_08151670: .4byte 0x00010000
_08151674: .4byte 0x00000000
thumb_func_end sub_815165C
.align 2, 0 @ Don't pad with nop.