1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
.set noreorder
.include "gtereg.inc"
.include "inline_s.inc"
.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
|
