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64 lines
928 B
ArmAsm
64 lines
928 B
ArmAsm
.include "constants/gba_constants.inc"
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.include "asm/macros.inc"
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.syntax unified
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.text
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thumb_func_start CalculateFacingDir
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CalculateFacingDir:
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push {r4,lr}
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movs r2, 0
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ldrsh r3, [r1, r2]
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movs r4, 0
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ldrsh r2, [r0, r4]
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subs r2, r3, r2
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movs r3, 0x2
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ldrsh r1, [r1, r3]
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movs r4, 0x2
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ldrsh r0, [r0, r4]
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subs r1, r0
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cmp r2, 0
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bne _080983FA
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cmp r1, 0
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bne _080983FA
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movs r0, 0
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b _08098428
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_080983FA:
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cmp r2, 0
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ble _08098400
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movs r2, 0x1
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_08098400:
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cmp r1, 0
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ble _08098406
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movs r1, 0x1
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_08098406:
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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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bgt _08098410
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adds r2, r0, 0
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_08098410:
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cmp r1, r0
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bgt _08098416
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adds r1, r0, 0
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_08098416:
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ldr r3, _08098430
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adds r2, 0x1
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adds r1, 0x1
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lsls r0, r1, 1
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adds r0, r1
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adds r0, r2
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lsls r0, 2
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adds r0, r3
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ldr r0, [r0]
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_08098428:
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pop {r4}
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pop {r1}
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bx r1
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.align 2, 0
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_08098430: .4byte gUnknown_8115E94
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thumb_func_end CalculateFacingDir
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.align 2,0
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