69 lines
992 B
ArmAsm
69 lines
992 B
ArmAsm
.set noreorder
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.include "gtereg.h"
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.include "inline_s.h"
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.section .text
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.global PushMatrix
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.type PushMatrix, @function
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PushMatrix:
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la $a0, _matrix_stack
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cfc2 $v0, C2_R11R12
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cfc2 $v1, C2_R13R21
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sw $v0, 0($a0)
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cfc2 $v0, C2_R22R23
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sw $v1, 4($a0)
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sw $v0, 8($a0)
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cfc2 $v0, C2_R31R32
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cfc2 $v1, C2_R33
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sw $v0, 12($a0)
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sw $v1, 16($a0)
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cfc2 $v0, C2_TRX
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cfc2 $v1, C2_TRY
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sw $v0, 20($a0)
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cfc2 $v0, C2_TRZ
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sw $v1, 24($a0)
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jr $ra
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sw $v0, 28($a0)
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.global PopMatrix
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.type PopMatrix, @function
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PopMatrix:
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la $a0, _matrix_stack
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lw $v0, 0($a0)
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lw $v1, 4($a0)
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ctc2 $v0, C2_R11R12
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ctc2 $v1, C2_R13R21
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lw $v0, 8($a0)
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lw $v1, 12($a0)
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ctc2 $v0, C2_R22R23
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lw $v0, 16($a0)
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ctc2 $v1, C2_R31R32
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ctc2 $v0, C2_R33
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lw $v0, 20($a0)
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lw $v1, 24($a0)
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ctc2 $v0, C2_TRX
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lw $v0, 28($a0)
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ctc2 $v1, C2_TRY
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ctc2 $v0, C2_TRZ
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jr $ra
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nop
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.section .data
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.type matrix_stack, @object
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_matrix_stack:
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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