mirror of
https://github.com/pret/pmd-sky.git
synced 2026-03-21 17:25:15 -05:00
635 lines
11 KiB
ArmAsm
635 lines
11 KiB
ArmAsm
.include "asm/macros.inc"
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.include "main_02001A30.inc"
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.text
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arm_func_start UFixedPoint64CmpLt
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UFixedPoint64CmpLt: ; 0x02001A30
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cmp r0, r2
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movlo r0, #1
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bxlo lr
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movhi r0, #0
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bxhi lr
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cmp r1, r3
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movlo r0, #1
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movhs r0, #0
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bx lr
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arm_func_end UFixedPoint64CmpLt
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arm_func_start MultiplyByFixedPoint
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MultiplyByFixedPoint: ; 0x02001A54
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stmdb sp!, {r3, r4, r5, lr}
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tst r0, #0x80000000
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movne r2, #1
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moveq r2, #0
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tst r1, #0x80000000
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and r4, r2, #0xff
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movne r2, #1
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moveq r2, #0
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cmp r0, #0
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and r5, r2, #0xff
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moveq r0, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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cmp r1, #0
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moveq r0, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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cmp r4, #0
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rsbne r0, r0, #0
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cmp r5, #0
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rsbne r1, r1, #0
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bl UMultiplyByFixedPoint
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cmp r4, r5
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rsbne r0, r0, #0
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ldmia sp!, {r3, r4, r5, pc}
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arm_func_end MultiplyByFixedPoint
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arm_func_start sub_02001AB0
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sub_02001AB0: ; 0x02001AB0
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stmdb sp!, {r3, r4, r5, lr}
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tst r0, #0x80000000
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movne r2, #1
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moveq r2, #0
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tst r1, #0x80000000
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and r4, r2, #0xff
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movne r2, #1
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moveq r2, #0
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cmp r1, #0
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and r5, r2, #0xff
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mvneq r0, #0x80000000
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ldmeqia sp!, {r3, r4, r5, pc}
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cmp r0, #0
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moveq r0, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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cmp r4, #0
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rsbne r0, r0, #0
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cmp r5, #0
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rsbne r1, r1, #0
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bl sub_02001BB4
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cmp r4, r5
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rsbne r0, r0, #0
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ldmia sp!, {r3, r4, r5, pc}
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arm_func_end sub_02001AB0
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arm_func_start UMultiplyByFixedPoint
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UMultiplyByFixedPoint: ; 0x02001B0C
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stmdb sp!, {r3, r4, r5, lr}
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cmp r0, #0
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moveq r0, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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cmp r1, #0
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moveq r0, #0
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ldmeqia sp!, {r3, r4, r5, pc}
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mov r3, #0
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mov r2, r3
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mov ip, r3
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mov lr, r3
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mov r4, r3
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_02001B3C:
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mov r5, lr
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tst r1, #1
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beq _02001B58
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add lr, lr, r0
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add ip, ip, r3
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cmp r5, lr
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addhi ip, ip, #1
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_02001B58:
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mov r1, r1, lsr #1
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tst r2, #1
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orrne r1, r1, #0x80000000
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mov r2, r2, lsr #1
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tst r0, #0x80000000
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mov r3, r3, lsl #1
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mov r0, r0, lsl #1
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add r4, r4, #1
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orrne r3, r3, #1
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bic r2, r2, #0x80000000
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cmp r4, #0x40
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bic r0, r0, #1
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blt _02001B3C
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mov r0, lr, lsr #8
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tst lr, #0x80
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movne r1, #1
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bic r0, r0, #0xff000000
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moveq r1, #0
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orr lr, r0, ip, lsl #24
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tst r1, #0xff
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addne lr, lr, #1
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mov r0, lr
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ldmia sp!, {r3, r4, r5, pc}
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arm_func_end UMultiplyByFixedPoint
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arm_func_start sub_02001BB4
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sub_02001BB4: ; 0x02001BB4
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stmdb sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, lr}
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movs sl, r1
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mvneq r0, #0x80000000
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ldmeqia sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, pc}
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cmp r0, #0
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moveq r0, #0
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ldmeqia sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, pc}
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mov r8, #0
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mov r1, r0, asr #0x18
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mov r0, r0, lsl #8
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mov r4, r8
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mov r5, r8
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mov sb, r8
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and r6, r1, #0xff
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bic r7, r0, #0xff
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mov fp, r8
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_02001BF4:
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mov r0, r5, lsl #1
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tst r5, #0x80000000
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mov r4, r4, lsl #1
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orrne r4, r4, #1
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bic r5, r0, #1
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tst r6, #0x80000000
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orrne r5, r5, #1
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mov r3, r7, lsl #1
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tst r7, #0x80000000
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mov r6, r6, lsl #1
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bic r7, r3, #1
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mov r0, r4
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mov r1, r5
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mov r2, fp
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mov r3, sl
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orrne r6, r6, #1
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bl UFixedPoint64CmpLt
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cmp r0, #0
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bne _02001C58
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mov r0, r5
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sub r5, r5, sl
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cmp r0, r5
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mov r1, #1
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sublo r4, r4, #1
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b _02001C5C
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_02001C58:
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mov r1, #0
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_02001C5C:
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mov r0, r8, lsl #1
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bic r8, r0, #1
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cmp r1, #0
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add sb, sb, #1
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orrne r8, r8, #1
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cmp sb, #0x40
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blt _02001BF4
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mov r0, r8
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ldmia sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, pc}
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arm_func_end sub_02001BB4
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arm_func_start IntToFixedPoint64
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IntToFixedPoint64: ; 0x02001C80
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mov r2, #0x10000
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rsb r2, r2, #0
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and r3, r1, r2
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mov r3, r3, lsr #0x10
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str r3, [r0]
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mov r3, r1, lsl #0x10
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str r3, [r0, #4]
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tst r1, #0x8000
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ldrne r1, [r0]
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orrne r1, r1, r2
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strne r1, [r0]
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bx lr
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arm_func_end IntToFixedPoint64
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arm_func_start FixedPoint64ToInt
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FixedPoint64ToInt: ; 0x02001CB0
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ldmia r0, {r1, r2}
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mov r0, #0x10000
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rsb r0, r0, #0
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mov r1, r1, lsl #0x10
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and r0, r2, r0
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orr r0, r1, r0, lsr #16
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tst r2, #0x8000
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addne r0, r0, #1
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bx lr
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arm_func_end FixedPoint64ToInt
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arm_func_start FixedPoint32To64
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FixedPoint32To64: ; 0x02001CD4
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mov r2, r1, asr #0x18
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mov r3, r1, lsl #8
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tst r2, #0x80
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mvnne r1, #0x7f
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orrne r1, r2, r1
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stmia r0, {r2, r3}
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andeq r1, r2, #0x7f
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str r1, [r0]
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bx lr
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arm_func_end FixedPoint32To64
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arm_func_start NegateFixedPoint64
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NegateFixedPoint64: ; 0x02001CF8
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ldr r2, [r0]
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mvn r1, #0
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eor r2, r2, r1
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str r2, [r0]
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ldr r2, [r0, #4]
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eor r2, r2, r1
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adds r1, r2, #1
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str r1, [r0, #4]
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ldreq r1, [r0]
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addeq r1, r1, #1
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streq r1, [r0]
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bx lr
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arm_func_end NegateFixedPoint64
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arm_func_start FixedPoint64IsZero
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FixedPoint64IsZero: ; 0x02001D28
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ldr r1, [r0]
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cmp r1, #0
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movne r0, #0
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bxne lr
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ldr r0, [r0, #4]
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cmp r0, #0
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moveq r0, #1
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movne r0, #0
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and r0, r0, #0xff
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bx lr
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arm_func_end FixedPoint64IsZero
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arm_func_start FixedPoint64IsNegative
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FixedPoint64IsNegative: ; 0x02001D50
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ldr r0, [r0]
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tst r0, #0x80000000
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movne r0, #1
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moveq r0, #0
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and r0, r0, #0xff
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bx lr
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arm_func_end FixedPoint64IsNegative
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arm_func_start FixedPoint64CmpLt
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FixedPoint64CmpLt: ; 0x02001D68
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stmdb sp!, {r3, lr}
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mov ip, r1
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ldr r2, [ip]
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mov lr, r0
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tst r2, #0x80000000
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movne r1, #2
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ldr r0, [lr]
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moveq r1, #0
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tst r0, #0x80000000
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movne r3, #1
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moveq r3, #0
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orr r1, r3, r1
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cmp r1, #3
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addls pc, pc, r1, lsl #2
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b _02001DB4
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_02001DA4: ; jump table
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b _02001DB4 ; case 0
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b _02001DC4 ; case 1
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b _02001DCC ; case 2
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b _02001DD4 ; case 3
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_02001DB4:
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ldr r1, [lr, #4]
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ldr r3, [ip, #4]
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bl UFixedPoint64CmpLt
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ldmia sp!, {r3, pc}
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_02001DC4:
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mov r0, #1
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ldmia sp!, {r3, pc}
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_02001DCC:
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mov r0, #0
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ldmia sp!, {r3, pc}
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_02001DD4:
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ldr r1, [lr, #4]
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ldr r3, [ip, #4]
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bl UFixedPoint64CmpLt
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cmp r0, #0
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moveq r0, #1
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movne r0, #0
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and r0, r0, #0xff
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ldmia sp!, {r3, pc}
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arm_func_end FixedPoint64CmpLt
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arm_func_start MultiplyFixedPoint64
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MultiplyFixedPoint64: ; 0x02001DF4
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stmdb sp!, {r4, r5, r6, lr}
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sub sp, sp, #0x18
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ldr r3, [r1]
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mov r4, r0
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str r3, [sp, #0x10]
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ldr r1, [r1, #4]
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add r0, sp, #0x10
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str r1, [sp, #0x14]
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ldr r1, [r2]
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str r1, [sp, #8]
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ldr r1, [r2, #4]
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str r1, [sp, #0xc]
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bl FixedPoint64IsNegative
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mov r5, r0
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add r0, sp, #8
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bl FixedPoint64IsNegative
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mov r6, r0
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add r0, sp, #0x10
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bl FixedPoint64IsZero
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cmp r0, #0
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movne r0, #0
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strne r0, [r4]
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strne r0, [r4, #4]
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bne _02001EC0
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add r0, sp, #8
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bl FixedPoint64IsZero
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cmp r0, #0
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movne r0, #0
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strne r0, [r4]
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strne r0, [r4, #4]
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bne _02001EC0
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cmp r5, #0
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beq _02001E80
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add r0, sp, #0x10
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bl NegateFixedPoint64
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_02001E80:
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cmp r6, #0
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beq _02001E90
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add r0, sp, #8
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bl NegateFixedPoint64
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_02001E90:
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add r0, sp, #0
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add r1, sp, #0x10
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add r2, sp, #8
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bl UMultiplyFixedPoint64
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cmp r5, r6
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beq _02001EB0
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add r0, sp, #0
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bl NegateFixedPoint64
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_02001EB0:
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ldr r0, [sp]
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str r0, [r4]
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ldr r0, [sp, #4]
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str r0, [r4, #4]
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_02001EC0:
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add sp, sp, #0x18
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ldmia sp!, {r4, r5, r6, pc}
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arm_func_end MultiplyFixedPoint64
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arm_func_start DivideFixedPoint64
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DivideFixedPoint64: ; 0x02001EC8
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stmdb sp!, {r4, r5, r6, lr}
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sub sp, sp, #0x18
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ldr r3, [r1]
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mov r4, r0
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str r3, [sp, #0x10]
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ldr r1, [r1, #4]
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add r0, sp, #0x10
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str r1, [sp, #0x14]
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ldr r1, [r2]
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str r1, [sp, #8]
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ldr r1, [r2, #4]
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str r1, [sp, #0xc]
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bl FixedPoint64IsNegative
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mov r5, r0
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add r0, sp, #8
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bl FixedPoint64IsNegative
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mov r6, r0
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add r0, sp, #8
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bl FixedPoint64IsZero
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cmp r0, #0
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mvnne r0, #0x80000000
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strne r0, [r4]
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subne r0, r0, #0x80000000
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strne r0, [r4, #4]
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bne _02001F98
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add r0, sp, #0x10
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bl FixedPoint64IsZero
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cmp r0, #0
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movne r0, #0
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strne r0, [r4]
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strne r0, [r4, #4]
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bne _02001F98
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cmp r5, #0
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beq _02001F58
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add r0, sp, #0x10
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bl NegateFixedPoint64
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_02001F58:
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cmp r6, #0
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beq _02001F68
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add r0, sp, #8
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bl NegateFixedPoint64
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_02001F68:
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add r0, sp, #0
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add r1, sp, #0x10
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add r2, sp, #8
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bl UDivideFixedPoint64
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cmp r5, r6
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beq _02001F88
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add r0, sp, #0
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bl NegateFixedPoint64
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_02001F88:
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ldr r0, [sp]
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str r0, [r4]
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ldr r0, [sp, #4]
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str r0, [r4, #4]
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_02001F98:
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add sp, sp, #0x18
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ldmia sp!, {r4, r5, r6, pc}
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arm_func_end DivideFixedPoint64
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arm_func_start UMultiplyFixedPoint64
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UMultiplyFixedPoint64: ; 0x02001FA0
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stmdb sp!, {r4, r5, r6, lr}
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mov r6, r1
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mov r4, r0
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mov r0, r6
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mov r5, r2
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bl FixedPoint64IsZero
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cmp r0, #0
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movne r0, #0
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strne r0, [r4]
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strne r0, [r4, #4]
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ldmneia sp!, {r4, r5, r6, pc}
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mov r0, r5
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bl FixedPoint64IsZero
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cmp r0, #0
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movne r0, #0
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strne r0, [r4]
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strne r0, [r4, #4]
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ldmneia sp!, {r4, r5, r6, pc}
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mov lr, #0
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ldmia r6, {r1, r2}
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ldmia r5, {r3, ip}
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mov r5, lr
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mov r6, lr
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_02001FFC:
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mov r0, r5
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tst ip, #1
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beq _02002018
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add r5, r5, r2
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add lr, lr, r1
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cmp r0, r5
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addhi lr, lr, #1
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_02002018:
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mov r0, r3, lsr #1
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tst r3, #1
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mov ip, ip, lsr #1
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bic r3, r0, #0x80000000
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orrne ip, ip, #0x80000000
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mov r1, r1, lsl #1
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tst r2, #0x80000000
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mov r0, r2, lsl #1
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add r6, r6, #1
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orrne r1, r1, #1
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cmp r6, #0x40
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bic r2, r0, #1
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blt _02001FFC
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mov r0, r5, lsr #0x10
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mov r0, r0, lsl #0x10
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tst r5, #0x8000
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mov r1, lr, lsl #0x10
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movne r2, #1
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orr r5, r1, r0, lsr #16
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mov r0, lr, lsr #0x10
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moveq r2, #0
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mov r0, r0, lsl #0x10
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tst r2, #0xff
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addne r5, r5, #1
|
|
mov r0, r0, lsr #0x10
|
|
stmia r4, {r0, r5}
|
|
ldmia sp!, {r4, r5, r6, pc}
|
|
arm_func_end UMultiplyFixedPoint64
|
|
|
|
arm_func_start UDivideFixedPoint64
|
|
UDivideFixedPoint64: ; 0x02002084
|
|
stmdb sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, lr}
|
|
sub sp, sp, #8
|
|
mov r4, r2
|
|
mov sl, r0
|
|
mov r0, r4
|
|
mov r5, r1
|
|
bl FixedPoint64IsZero
|
|
cmp r0, #0
|
|
mvnne r0, #0x80000000
|
|
strne r0, [sl]
|
|
subne r0, r0, #0x80000000
|
|
strne r0, [sl, #4]
|
|
bne _020021C0
|
|
mov r0, r5
|
|
bl FixedPoint64IsZero
|
|
cmp r0, #0
|
|
movne r0, #0
|
|
strne r0, [sl]
|
|
strne r0, [sl, #4]
|
|
bne _020021C0
|
|
ldr r2, [r5, #4]
|
|
mov r0, #0x10000
|
|
mov r1, r2, lsr #0x10
|
|
mov r8, #0
|
|
ldr r3, [r5]
|
|
rsb r0, r0, #0
|
|
and r2, r0, r2, lsl #16
|
|
and r3, r0, r3, lsl #16
|
|
ldr r0, [r4]
|
|
mov r1, r1, lsl #0x10
|
|
ldr fp, [r4, #4]
|
|
str r0, [sp, #4]
|
|
mov sb, r8
|
|
mov r4, r8
|
|
mov r5, r8
|
|
str r8, [sp]
|
|
orr r6, r3, r1, lsr #16
|
|
orr r7, r2, #0x8000
|
|
_0200211C:
|
|
mov r0, r5, lsl #1
|
|
tst r5, #0x80000000
|
|
mov r4, r4, lsl #1
|
|
orrne r4, r4, #1
|
|
bic r5, r0, #1
|
|
tst r6, #0x80000000
|
|
orrne r5, r5, #1
|
|
mov r1, r7, lsl #1
|
|
tst r7, #0x80000000
|
|
mov r6, r6, lsl #1
|
|
bic r7, r1, #1
|
|
ldr r2, [sp, #4]
|
|
mov r0, r4
|
|
mov r1, r5
|
|
mov r3, fp
|
|
orrne r6, r6, #1
|
|
bl UFixedPoint64CmpLt
|
|
cmp r0, #0
|
|
bne _02002188
|
|
mov r0, r5
|
|
sub r5, r5, fp
|
|
cmp r0, r5
|
|
ldr r0, [sp, #4]
|
|
mov r1, #1
|
|
sub r4, r4, r0
|
|
sublo r4, r4, #1
|
|
b _0200218C
|
|
_02002188:
|
|
mov r1, #0
|
|
_0200218C:
|
|
mov r0, sb, lsl #1
|
|
tst sb, #0x80000000
|
|
bic sb, r0, #1
|
|
ldr r0, [sp]
|
|
mov r8, r8, lsl #1
|
|
add r0, r0, #1
|
|
orrne r8, r8, #1
|
|
cmp r1, #0
|
|
orrne sb, sb, #1
|
|
str r0, [sp]
|
|
cmp r0, #0x40
|
|
blt _0200211C
|
|
stmia sl, {r8, sb}
|
|
_020021C0:
|
|
add sp, sp, #8
|
|
ldmia sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, pc}
|
|
arm_func_end UDivideFixedPoint64
|
|
|
|
arm_func_start AddFixedPoint64
|
|
AddFixedPoint64: ; 0x020021C8
|
|
stmdb sp!, {r3, lr}
|
|
ldr ip, [r1, #4]
|
|
ldr lr, [r1]
|
|
ldr r1, [r2]
|
|
ldr r3, [r2, #4]
|
|
add r1, lr, r1
|
|
add r2, ip, r3
|
|
cmp r2, ip
|
|
addlo r1, r1, #1
|
|
stmia r0, {r1, r2}
|
|
ldmia sp!, {r3, pc}
|
|
arm_func_end AddFixedPoint64
|
|
|
|
arm_func_start ClampedLn
|
|
ClampedLn: ; 0x020021F4
|
|
cmp r1, #1
|
|
movlt r1, #1
|
|
cmp r1, #0x800
|
|
ldrge r1, _02002220 ; =0x000007FF
|
|
ldr r2, _02002224 ; =NATURAL_LOG_VALUE_TABLE
|
|
mov r1, r1, lsl #1
|
|
ldrsh r2, [r2, r1]
|
|
mov r1, #0
|
|
mov r2, r2, lsl #4
|
|
stmia r0, {r1, r2}
|
|
bx lr
|
|
.align 2, 0
|
|
_02002220: .word 0x000007FF
|
|
_02002224: .word NATURAL_LOG_VALUE_TABLE
|
|
arm_func_end ClampedLn
|
|
|
|
arm_func_start sub_02002228
|
|
sub_02002228: ; 0x02002228
|
|
bx lr
|
|
arm_func_end sub_02002228
|
|
|
|
arm_func_start GetRngSeed
|
|
GetRngSeed: ; 0x0200222C
|
|
ldr r0, _02002238 ; =PRNG_SEQUENCE_NUM
|
|
ldrh r0, [r0]
|
|
bx lr
|
|
.align 2, 0
|
|
_02002238: .word PRNG_SEQUENCE_NUM
|
|
arm_func_end GetRngSeed
|
|
|
|
arm_func_start SetRngSeed
|
|
SetRngSeed: ; 0x0200223C
|
|
ldr r1, _02002248 ; =PRNG_SEQUENCE_NUM
|
|
strh r0, [r1]
|
|
bx lr
|
|
.align 2, 0
|
|
_02002248: .word PRNG_SEQUENCE_NUM
|
|
arm_func_end SetRngSeed
|