diff options
Diffstat (limited to 'libpsn00b/psxgpu/drawsync.s')
| -rw-r--r-- | libpsn00b/psxgpu/drawsync.s | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/libpsn00b/psxgpu/drawsync.s b/libpsn00b/psxgpu/drawsync.s deleted file mode 100644 index b671b03..0000000 --- a/libpsn00b/psxgpu/drawsync.s +++ /dev/null @@ -1,67 +0,0 @@ -.set noreorder - -.include "hwregs_a.h" - -.section .text - - -.global DrawSync -.type DrawSync, @function -DrawSync: - - bnez $a0, .Lgetwords - lui $a0, IOBASE - - addiu $sp, -4 - sw $ra, 0($sp) - - jal ReadGPUstat # Check if DMA enabled - nop - srl $v0, 29 - andi $v0, 0x3 - - beqz $v0, .Lsimple_wait - nop - -.Ldma_wait: - lw $v0, DMA2_CHCR($a0) - nop - srl $v0, 24 - andi $v0, 0x1 - bnez $v0, .Ldma_wait - nop - -.Lgpu_wait: - jal ReadGPUstat - nop - srl $v0, 26 - andi $v0, 0x5 - bne $v0, 5, .Lgpu_wait - nop - - b .Lexit - nop - -.Lsimple_wait: # Wait for GPU to be ready for next DMA - jal ReadGPUstat - nop - srl $v0, 28 - andi $v0, 0x1 - beqz $v0, .Lsimple_wait - nop - -.Lexit: - - lw $ra, 0($sp) - addiu $sp, 4 - jr $ra - nop - -.Lgetwords: - - lw $v0, DMA2_BCR($a0) - nop - - jr $ra - srl $v0, 16 - |