mirror of
https://github.com/pret/pokeruby.git
synced 2026-10-08 01:33:44 -04:00
YamaArashi
172 lines
2.5 KiB
ArmAsm
172 lines
2.5 KiB
ArmAsm
.include "asm/macros.s"
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.syntax unified
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.text
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thumb_func_start memcpy
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@ void *memcpy(void *dest, void *src, int size)
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memcpy: @ 81E26FC
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push {r4,r5,lr}
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adds r5, r0, 0
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adds r4, r5, 0
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adds r3, r1, 0
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cmp r2, 0xF
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bls _081E273C
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adds r0, r3, 0
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orrs r0, r5
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movs r1, 0x3
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ands r0, r1
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cmp r0, 0
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bne _081E273C
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adds r1, r5, 0
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_081E2716:
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ldm r3!, {r0}
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stm r1!, {r0}
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ldm r3!, {r0}
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stm r1!, {r0}
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ldm r3!, {r0}
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stm r1!, {r0}
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ldm r3!, {r0}
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stm r1!, {r0}
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subs r2, 0x10
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cmp r2, 0xF
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bhi _081E2716
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cmp r2, 0x3
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bls _081E273A
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_081E2730:
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ldm r3!, {r0}
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stm r1!, {r0}
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subs r2, 0x4
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cmp r2, 0x3
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bhi _081E2730
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_081E273A:
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adds r4, r1, 0
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_081E273C:
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subs r2, 0x1
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movs r0, 0x1
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negs r0, r0
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cmp r2, r0
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beq _081E2756
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adds r1, r0, 0
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_081E2748:
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ldrb r0, [r3]
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strb r0, [r4]
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adds r3, 0x1
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adds r4, 0x1
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subs r2, 0x1
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cmp r2, r1
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bne _081E2748
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_081E2756:
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adds r0, r5, 0
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pop {r4,r5,pc}
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thumb_func_end memcpy
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thumb_func_start memset
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@ void *memset(void *dest, char c, int size)
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memset: @ 81E275C
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push {r4,r5,lr}
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adds r5, r0, 0
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adds r4, r1, 0
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adds r3, r5, 0
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cmp r2, 0x3
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bls _081E27A2
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movs r0, 0x3
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ands r0, r5
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cmp r0, 0
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bne _081E27A2
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adds r1, r5, 0
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movs r0, 0xFF
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ands r4, r0
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lsls r3, r4, 8
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orrs r3, r4
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lsls r0, r3, 16
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orrs r3, r0
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cmp r2, 0xF
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bls _081E2796
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_081E2782:
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stm r1!, {r3}
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stm r1!, {r3}
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stm r1!, {r3}
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stm r1!, {r3}
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subs r2, 0x10
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cmp r2, 0xF
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bhi _081E2782
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b _081E2796
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_081E2792:
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stm r1!, {r3}
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subs r2, 0x4
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_081E2796:
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cmp r2, 0x3
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bhi _081E2792
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adds r3, r1, 0
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b _081E27A2
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_081E279E:
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strb r4, [r3]
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adds r3, 0x1
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_081E27A2:
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adds r0, r2, 0
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subs r2, 0x1
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cmp r0, 0
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bne _081E279E
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adds r0, r5, 0
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pop {r4,r5,pc}
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thumb_func_end memset
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thumb_func_start strcmp
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@ int strcmp(char *s1, char *s2)
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strcmp: @ 81E27B0
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push {r4,r5,lr}
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adds r2, r0, 0
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adds r3, r1, 0
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orrs r0, r3
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movs r1, 0x3
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ands r0, r1
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cmp r0, 0
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bne _081E27F6
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ldr r1, [r2]
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ldr r0, [r3]
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cmp r1, r0
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bne _081E27F6
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ldr r5, _081E27DC
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ldr r4, _081E27E0
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_081E27CC:
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ldr r1, [r2]
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adds r0, r1, r5
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bics r0, r1
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ands r0, r4
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cmp r0, 0
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beq _081E27E4
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movs r0, 0
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b _081E2808
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.align 2, 0
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_081E27DC: .4byte 0xfefefeff
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_081E27E0: .4byte 0x80808080
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_081E27E4:
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adds r2, 0x4
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adds r3, 0x4
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ldr r1, [r2]
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ldr r0, [r3]
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cmp r1, r0
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beq _081E27CC
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b _081E27F6
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_081E27F2:
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adds r2, 0x1
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adds r3, 0x1
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_081E27F6:
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ldrb r0, [r2]
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cmp r0, 0
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beq _081E2802
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ldrb r1, [r3]
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cmp r0, r1
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beq _081E27F2
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_081E2802:
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ldrb r2, [r2]
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ldrb r3, [r3]
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subs r0, r2, r3
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_081E2808:
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pop {r4,r5,pc}
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thumb_func_end strcmp
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.align 2, 0 @ Don't pad with nop.
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