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50 lines
965 B
ArmAsm
50 lines
965 B
ArmAsm
.include "asm/macros.inc"
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.include "global.inc"
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.text
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arm_func_start MTX_Identity22_
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MTX_Identity22_: ; 0x020CAF70
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mov r1, #0
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mov r2, #0x1000
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mov r3, #0
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stmia r0!, {r2, r3}
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stmia r0!, {r1, r2}
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bx lr
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arm_func_end MTX_Identity22_
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thumb_func_start MTX_Rot22_
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MTX_Rot22_: ; 0x020CAF88
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str r2, [r0]
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str r1, [r0, #4]
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neg r1, r1
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str r1, [r0, #8]
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str r2, [r0, #0xc]
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bx lr
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thumb_func_end MTX_Rot22_
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arm_func_start MTX_ScaleApply22
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MTX_ScaleApply22: ; 0x020CAF94
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stmdb sp!, {r3, lr}
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ldr ip, [r0]
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smull lr, ip, r2, ip
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mov lr, lr, lsr #0xc
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orr lr, lr, ip, lsl #20
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str lr, [r1]
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ldr ip, [r0, #4]
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smull lr, ip, r2, ip
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mov r2, lr, lsr #0xc
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orr r2, r2, ip, lsl #20
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str r2, [r1, #4]
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ldr r2, [r0, #8]
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smull ip, r2, r3, r2
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mov ip, ip, lsr #0xc
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orr ip, ip, r2, lsl #20
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str ip, [r1, #8]
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ldr r0, [r0, #0xc]
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smull r2, r0, r3, r0
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mov r2, r2, lsr #0xc
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orr r2, r2, r0, lsl #20
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str r2, [r1, #0xc]
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ldmia sp!, {r3, pc}
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arm_func_end MTX_ScaleApply22
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