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| author | John Wilbert M. Villamor <lameguy64@gmail.com> | 2019-04-06 10:11:07 +0800 |
|---|---|---|
| committer | John Wilbert M. Villamor <lameguy64@gmail.com> | 2019-04-06 10:11:07 +0800 |
| commit | f3e040230772f978540a71aea43dfde200992922 (patch) | |
| tree | bd8ca31b72dd01e24980b073854e263589530f56 /libpsn00b/psxgte/pushpopmatrix.s | |
| download | psn00bsdk-f3e040230772f978540a71aea43dfde200992922.tar.gz | |
First commit
Diffstat (limited to 'libpsn00b/psxgte/pushpopmatrix.s')
| -rw-r--r-- | libpsn00b/psxgte/pushpopmatrix.s | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libpsn00b/psxgte/pushpopmatrix.s b/libpsn00b/psxgte/pushpopmatrix.s new file mode 100644 index 0000000..d10687a --- /dev/null +++ b/libpsn00b/psxgte/pushpopmatrix.s @@ -0,0 +1,68 @@ +.set noreorder + +.include "gtereg.h" +.include "inline_s.h" + +.section .text + + +.global PushMatrix +.type PushMatrix, @function +PushMatrix: + la $a0, _matrix_stack + cfc2 $v0, C2_R11R12 + cfc2 $v1, C2_R13R21 + sw $v0, 0($a0) + cfc2 $v0, C2_R22R23 + sw $v1, 4($a0) + sw $v0, 8($a0) + cfc2 $v0, C2_R31R32 + cfc2 $v1, C2_R33 + sw $v0, 12($a0) + sw $v1, 16($a0) + cfc2 $v0, C2_TRX + cfc2 $v1, C2_TRY + sw $v0, 20($a0) + cfc2 $v0, C2_TRZ + sw $v1, 24($a0) + jr $ra + sw $v0, 28($a0) + +.global PopMatrix +.type PopMatrix, @function +PopMatrix: + la $a0, _matrix_stack + lw $v0, 0($a0) + lw $v1, 4($a0) + ctc2 $v0, C2_R11R12 + ctc2 $v1, C2_R13R21 + lw $v0, 8($a0) + lw $v1, 12($a0) + ctc2 $v0, C2_R22R23 + lw $v0, 16($a0) + ctc2 $v1, C2_R31R32 + ctc2 $v0, C2_R33 + lw $v0, 20($a0) + lw $v1, 24($a0) + ctc2 $v0, C2_TRX + lw $v0, 28($a0) + ctc2 $v1, C2_TRY + ctc2 $v0, C2_TRZ + jr $ra + nop + + +.section .data + + +.type matrix_stack, @object +_matrix_stack: + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + |