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https://github.com/pret/pmd-sky.git
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95 lines
1.6 KiB
ArmAsm
95 lines
1.6 KiB
ArmAsm
.include "asm/macros.inc"
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.include "main_02089694.inc"
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.text
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; https://decomp.me/scratch/4hRt5
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arm_func_start strcpy
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strcpy: ; 0x02089694
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stmdb sp!, {r3, r4, r5, lr}
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and r4, r1, #3
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and r3, r0, #3
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mov r2, r0
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cmp r3, r4
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bne _02089730
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cmp r4, #0
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beq _020896EC
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ldrb r3, [r1]
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strb r3, [r0]
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cmp r3, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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rsbs r4, r4, #3
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beq _020896E4
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_020896CC:
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ldrb r3, [r1, #1]!
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cmp r3, #0
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strb r3, [r2, #1]!
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ldmeqia sp!, {r3, r4, r5, pc}
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subs r4, r4, #1
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bne _020896CC
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_020896E4:
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add r2, r2, #1
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add r1, r1, #1
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_020896EC:
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ldr r5, [r1]
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ldr r3, _02089754 ; =0xFEFEFEFF
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mvn r4, r5
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add lr, r5, r3
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ldr ip, _02089758 ; =0x80808080
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and r4, lr, r4
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tst r4, ip
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bne _02089730
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sub r2, r2, #4
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_02089710:
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str r5, [r2, #4]!
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ldr r5, [r1, #4]!
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add r4, r5, r3
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mvn lr, r5
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and lr, r4, lr
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tst lr, ip
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beq _02089710
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add r2, r2, #4
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_02089730:
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ldrb r3, [r1]
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strb r3, [r2]
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cmp r3, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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_02089740:
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ldrb r3, [r1, #1]!
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cmp r3, #0
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strb r3, [r2, #1]!
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bne _02089740
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ldmia sp!, {r3, r4, r5, pc}
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.align 2, 0
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_02089754: .word 0xFEFEFEFF
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_02089758: .word 0x80808080
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arm_func_end strcpy
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; https://decomp.me/scratch/QI5Xl
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arm_func_start strncpy
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strncpy: ; 0x0208975C
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stmdb sp!, {r3, lr}
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mov lr, r0
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cmp r2, #0
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ldmeqia sp!, {r3, pc}
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_0208976C:
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ldrsb r3, [r1], #1
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mov ip, lr
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strb r3, [lr], #1
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ldrsb r3, [ip]
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cmp r3, #0
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bne _020897A0
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subs r2, r2, #1
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ldmeqia sp!, {r3, pc}
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mov r1, #0
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_02089790:
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strb r1, [lr], #1
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subs r2, r2, #1
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bne _02089790
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ldmia sp!, {r3, pc}
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_020897A0:
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subs r2, r2, #1
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bne _0208976C
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ldmia sp!, {r3, pc}
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arm_func_end strncpy
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