diff options
Diffstat (limited to 'libpsn00b/psxgte/mulmatrix.s')
| -rw-r--r-- | libpsn00b/psxgte/mulmatrix.s | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/libpsn00b/psxgte/mulmatrix.s b/libpsn00b/psxgte/mulmatrix.s deleted file mode 100644 index 08c79c2..0000000 --- a/libpsn00b/psxgte/mulmatrix.s +++ /dev/null @@ -1,74 +0,0 @@ -.set noreorder - -.include "gtereg.inc" -.include "inline_s.inc" - -.section .text - - -.global MulMatrix -.type MulMatrix, @function -MulMatrix: - - # Load m1 to GTE - lw $t0, 0($a1) - lw $t1, 4($a1) - ctc2 $t0, $0 - ctc2 $t1, $1 - lw $t0, 8($a1) - lw $t1, 12($a1) - lhu $t2, 16($a1) - ctc2 $t0, $2 - ctc2 $t1, $3 - ctc2 $t2, $4 - - lhu $t1, 2*(0+(3*1))($a0) # Load values for first - lhu $t0, 2*(0+(3*0))($a0) # R11 R21 R31 - sll $t1, 16 - or $t0, $t1 - lhu $t1, 2*(0+(3*2))($a0) - mtc2 $t0, C2_VXY0 - mtc2 $t1, C2_VZ0 - - lhu $t1, 2*(1+(3*1))($a0) # Load values for second - lhu $t0, 2*(1+(3*0))($a0) # R12 R22 R32 - MVMVA(1, 0, 0, 3, 0) # First multiply - sll $t1, 16 - or $t0, $t1 - lhu $t1, 2*(1+(3*2))($a0) - mtc2 $t0, C2_VXY0 - mtc2 $t1, C2_VZ0 - - mfc2 $t0, C2_IR1 # Store results of first - mfc2 $t1, C2_IR2 - sh $t0, 2*(0+(3*0))($a0) - mfc2 $t0, C2_IR3 - sh $t1, 2*(0+(3*1))($a0) - sh $t0, 2*(0+(3*2))($a0) - - lhu $t1, 2*(2+(3*1))($a0) # Load values for third - lhu $t0, 2*(2+(3*0))($a0) # R13 R23 R33 - MVMVA(1, 0, 0, 3, 0) # Second multiply - sll $t1, 16 - or $t0, $t1 - lhu $t1, 2*(2+(3*2))($a0) - mtc2 $t0, C2_VXY0 - mtc2 $t1, C2_VZ0 - - mfc2 $t0, C2_IR1 # Store results of second - mfc2 $t1, C2_IR2 - sh $t0, 2*(1+(3*0))($a0) - mfc2 $t0, C2_IR3 - sh $t1, 2*(1+(3*1))($a0) - sh $t0, 2*(1+(3*2))($a0) - MVMVA(1, 0, 0, 3, 0) # Third multiply - - mfc2 $t0, C2_IR1 # Store results of third - mfc2 $t1, C2_IR2 - sh $t0, 2*(2+(3*0))($a0) - mfc2 $t0, C2_IR3 - sh $t1, 2*(2+(3*1))($a0) - sh $t0, 2*(2+(3*2))($a0) - - jr $ra - move $v0, $a0 |