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| author | John Wilbert M. Villamor <lameguy64@gmail.com> | 2020-01-06 09:39:20 +0800 |
|---|---|---|
| committer | John Wilbert M. Villamor <lameguy64@gmail.com> | 2020-01-06 09:39:20 +0800 |
| commit | c98ad0e7dbc48c928aaea0f78214c7ed6556417d (patch) | |
| tree | bcbafb8547eceb867f342bfe504377e13a5533a9 /libpsn00b/psxcd/cdmix.s | |
| parent | 87ded2ccb9db9bf3b2ed40a0b02b663179d5868f (diff) | |
| download | psn00bsdk-c98ad0e7dbc48c928aaea0f78214c7ed6556417d.tar.gz | |
Some minor updates, added CD-ROM library documentation
Diffstat (limited to 'libpsn00b/psxcd/cdmix.s')
| -rw-r--r-- | libpsn00b/psxcd/cdmix.s | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libpsn00b/psxcd/cdmix.s b/libpsn00b/psxcd/cdmix.s new file mode 100644 index 0000000..745fb65 --- /dev/null +++ b/libpsn00b/psxcd/cdmix.s @@ -0,0 +1,34 @@ +.set noreorder + +.include "hwregs_a.h" + +.section .text + + +.global CdMix +.type CdMix, @function +CdMix: + + lui $a3, IOBASE + + lbu $t0, 0($a0) + lbu $t1, 1($a0) + lbu $t2, 2($a0) + lbu $t3, 3($a0) + + li $v0, 2 + sb $v0, CD_REG0($a3) + sb $t0, CD_REG2($a3) + sb $t1, CD_REG3($a3) + + li $v0, 3 + sb $v0, CD_REG0($a3) + sb $t2, CD_REG1($a3) + sb $t3, CD_REG2($a3) + + li $v0, 0x20 + sb $v0, CD_REG3($a3) + + jr $ra + li $v0, 1 +
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