From 4a900ea079ef8d21e60a57a48d4aac98470f0e48 Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Sat, 16 Oct 2021 11:11:38 +1000
Subject: [PATCH] Decompile n_alSynStopVoice

---
 ld/libfiles.ntsc-beta.inc       |  1 +
 ld/libfiles.ntsc-final.inc      |  1 +
 ld/libfiles.pal-final.inc       |  1 +
 src/lib/lib_3cef0.c             | 47 ---------------------------------
 src/lib/naudio/n_synstopvoice.c | 20 ++++++++++++++
 5 files changed, 23 insertions(+), 47 deletions(-)
 create mode 100644 src/lib/naudio/n_synstopvoice.c

diff --git a/ld/libfiles.ntsc-beta.inc b/ld/libfiles.ntsc-beta.inc
index b9c56d1aa..51aa03fd4 100644
--- a/ld/libfiles.ntsc-beta.inc
+++ b/ld/libfiles.ntsc-beta.inc
@@ -93,6 +93,7 @@
 	build/ROMID/lib/naudio/n_synsetvol.o (section); \
 	build/ROMID/lib/lib_3cdc0.o (section); \
 	build/ROMID/lib/lib_3cef0.o (section); \
+	build/ROMID/lib/naudio/n_synstopvoice.o (section); \
 	build/ROMID/lib/naudio/n_synfreevoice.o (section); \
 	build/ROMID/lib/naudio/n_seqplayer.o (section); \
 	build/ROMID/lib/lib_3e3e0.o (section); \
diff --git a/ld/libfiles.ntsc-final.inc b/ld/libfiles.ntsc-final.inc
index 7ff0463f1..b59ea9583 100644
--- a/ld/libfiles.ntsc-final.inc
+++ b/ld/libfiles.ntsc-final.inc
@@ -90,6 +90,7 @@
 	build/ROMID/lib/naudio/n_synsetvol.o (section); \
 	build/ROMID/lib/lib_3cdc0.o (section); \
 	build/ROMID/lib/lib_3cef0.o (section); \
+	build/ROMID/lib/naudio/n_synstopvoice.o (section); \
 	build/ROMID/lib/naudio/n_synfreevoice.o (section); \
 	build/ROMID/lib/naudio/n_seqplayer.o (section); \
 	build/ROMID/lib/lib_3e3e0.o (section); \
diff --git a/ld/libfiles.pal-final.inc b/ld/libfiles.pal-final.inc
index 6c6c2be78..14947b77b 100644
--- a/ld/libfiles.pal-final.inc
+++ b/ld/libfiles.pal-final.inc
@@ -90,6 +90,7 @@
 	build/ROMID/lib/naudio/n_synsetvol.o (section); \
 	build/ROMID/lib/lib_3cdc0.o (section); \
 	build/ROMID/lib/lib_3cef0.o (section); \
+	build/ROMID/lib/naudio/n_synstopvoice.o (section); \
 	build/ROMID/lib/naudio/n_synfreevoice.o (section); \
 	build/ROMID/lib/naudio/n_seqplayer.o (section); \
 	build/ROMID/lib/lib_3e3e0.o (section); \
diff --git a/src/lib/lib_3cef0.c b/src/lib/lib_3cef0.c
index 11c3b7082..6861bddb1 100644
--- a/src/lib/lib_3cef0.c
+++ b/src/lib/lib_3cef0.c
@@ -157,50 +157,3 @@ glabel func0003d050
 /*    3d0f8:	03e00008 */ 	jr	$ra
 /*    3d0fc:	00000000 */ 	nop
 );
-
-GLOBAL_ASM(
-glabel n_alSynStopVoice
-/*    3d100:	27bdffe0 */ 	addiu	$sp,$sp,-32
-/*    3d104:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*    3d108:	afa40020 */ 	sw	$a0,0x20($sp)
-/*    3d10c:	8fae0020 */ 	lw	$t6,0x20($sp)
-/*    3d110:	8dcf0008 */ 	lw	$t7,0x8($t6)
-/*    3d114:	11e0001c */ 	beqz	$t7,.L0003d188
-/*    3d118:	00000000 */ 	nop
-/*    3d11c:	0c00c541 */ 	jal	__n_allocParam
-/*    3d120:	00000000 */ 	nop
-/*    3d124:	afa2001c */ 	sw	$v0,0x1c($sp)
-/*    3d128:	8fb8001c */ 	lw	$t8,0x1c($sp)
-/*    3d12c:	17000003 */ 	bnez	$t8,.L0003d13c
-/*    3d130:	00000000 */ 	nop
-/*    3d134:	10000016 */ 	b	.L0003d190
-/*    3d138:	00000000 */ 	nop
-.L0003d13c:
-/*    3d13c:	8fa90020 */ 	lw	$t1,0x20($sp)
-/*    3d140:	3c198006 */ 	lui	$t9,%hi(n_syn)
-/*    3d144:	8f39f114 */ 	lw	$t9,%lo(n_syn)($t9)
-/*    3d148:	8d2a0008 */ 	lw	$t2,0x8($t1)
-/*    3d14c:	8fad001c */ 	lw	$t5,0x1c($sp)
-/*    3d150:	8f28001c */ 	lw	$t0,0x1c($t9)
-/*    3d154:	8d4b0088 */ 	lw	$t3,0x88($t2)
-/*    3d158:	010b6021 */ 	addu	$t4,$t0,$t3
-/*    3d15c:	adac0004 */ 	sw	$t4,0x4($t5)
-/*    3d160:	8faf001c */ 	lw	$t7,0x1c($sp)
-/*    3d164:	240e000f */ 	addiu	$t6,$zero,0xf
-/*    3d168:	a5ee0008 */ 	sh	$t6,0x8($t7)
-/*    3d16c:	8fb8001c */ 	lw	$t8,0x1c($sp)
-/*    3d170:	af000000 */ 	sw	$zero,0x0($t8)
-/*    3d174:	8fb90020 */ 	lw	$t9,0x20($sp)
-/*    3d178:	24050003 */ 	addiu	$a1,$zero,0x3
-/*    3d17c:	8fa6001c */ 	lw	$a2,0x1c($sp)
-/*    3d180:	0c00fc79 */ 	jal	n_alEnvmixerParam
-/*    3d184:	8f240008 */ 	lw	$a0,0x8($t9)
-.L0003d188:
-/*    3d188:	10000001 */ 	b	.L0003d190
-/*    3d18c:	00000000 */ 	nop
-.L0003d190:
-/*    3d190:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*    3d194:	27bd0020 */ 	addiu	$sp,$sp,0x20
-/*    3d198:	03e00008 */ 	jr	$ra
-/*    3d19c:	00000000 */ 	nop
-);
diff --git a/src/lib/naudio/n_synstopvoice.c b/src/lib/naudio/n_synstopvoice.c
new file mode 100644
index 000000000..b92029d24
--- /dev/null
+++ b/src/lib/naudio/n_synstopvoice.c
@@ -0,0 +1,20 @@
+#include <os_internal.h>
+#include <ultraerror.h>
+#include "n_synthInternals.h"
+
+void n_alSynStopVoice(N_ALVoice *v)
+{
+	ALParam *update;
+	ALFilter *f;
+
+	if (v->pvoice) {
+		update = __n_allocParam();
+		ALFailIf(update == 0, ERR_ALSYN_NO_UPDATE);
+
+		update->delta = n_syn->paramSamples + v->pvoice->offset;
+		update->type = AL_FILTER_STOP_VOICE;
+		update->next = 0;
+
+		n_alEnvmixerParam(v->pvoice, AL_FILTER_ADD_UPDATE, update);
+	}
+}