First commit

1 files changed, 60 insertions, 0 deletions

diff --git a/libpsn00b/psxspu/spusetvoiceraw.s b/libpsn00b/psxspu/spusetvoiceraw.s
new file mode 100644
index 0000000..43450f6
--- /dev/null
+++ b/libpsn00b/psxspu/spusetvoiceraw.s
@@ -0,0 +1,60 @@
+.set noreorder
+
+.include "hwregs_a.h"
+
+
+.set PARAM_L,		0
+.set PARAM_R,		2
+.set PARAM_FREQ,	4
+.set PARAM_ADDR,	6
+.set PARAM_LOOP,	8
+.set PARAM_RES,		10
+.set PARAM_ADSR,	12
+
+
+.section .text
+
+.global SpuSetVoiceRaw
+.type SpuSetVoiceRaw, @function
+SpuSetVoiceRaw:
+	
+	# a0 - Voice number
+	# a1 - Address to parameters
+	
+	sll		$a0, 4
+	addiu	$a0, SPU_VOICE_BASE
+	
+	lui		$v1, IOBASE
+	or		$a0, $v1
+	
+	lhu		$v0, PARAM_L($a1)
+	nop
+	sh		$v0, SPU_VOICE_VOL_L($a0)
+	
+	lhu		$v0, PARAM_R($a1)
+	nop
+	sh		$v0, SPU_VOICE_VOL_R($a0)
+	
+	lhu		$v0, PARAM_FREQ($a1)
+	nop
+	sh		$v0, SPU_VOICE_FREQ($a0)
+	
+	lhu		$v0, PARAM_ADDR($a1)
+	nop
+	sh		$v0, SPU_VOICE_ADDR($a0)
+	
+	lhu		$v0, PARAM_LOOP($a1)
+	nop
+	sh		$v0, SPU_VOICE_LOOP($a0)
+	
+	
+	lw		$v0, PARAM_ADSR($a1)
+	nop
+	sh		$v0, SPU_VOICE_ADSR_L($a0)
+	srl		$v0, 16
+	sh		$v0, SPU_VOICE_ADSR_H($a0)
+	
+	
+	jr		$ra
+	nop
+	
\ No newline at end of file