1 files changed, 161 insertions, 0 deletions
diff --git a/arm7/asm/SND_lockChannel.s b/arm7/asm/SND_lockChannel.s
new file mode 100644
index 00000000..cc568f66
--- /dev/null
+++ b/arm7/asm/SND_lockChannel.s
@@ -0,0 +1,161 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+
+    .text
+
+	arm_func_start SND_GetLockedChannel
+SND_GetLockedChannel: ; 0x037FC964
+	ands	r0, r0, #1
+	ldrne	r0, _037FC97C	; =_03807F44
+	ldrne	r0, [r0]
+	ldreq	r0, _037FC980	; =_03807F48
+	ldreq	r0, [r0]
+	bx	lr
+_037FC97C:	.word	_03807F44
+_037FC980:	.word	_03807F48
+
+	arm_func_start SND_UnlockChannel
+SND_UnlockChannel: ; 0x037FC984
+	ands	r1, r1, #1
+	ldreq	r1, _037FC9B8	; =_03807F48
+	ldreq	r2, [r1]
+	mvneq	r0, r0
+	andeq	r0, r2, r0
+	streq	r0, [r1]
+	bxeq	lr
+	ldr	r1, _037FC9BC	; =_03807F44
+	ldr	r2, [r1]
+	mvn	r0, r0
+	and	r0, r2, r0
+	str	r0, [r1]
+	bx	lr
+_037FC9B8:	.word	_03807F48
+_037FC9BC:	.word	_03807F44
+
+	arm_func_start SND_LockChannel
+SND_LockChannel: ; 0x037FC9C0
+	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
+	sub	sp, sp, #4
+	mov	sl, r0
+	mov	r9, r1
+	mov	r7, sl
+	mov	r6, #0
+	mov	fp, r6
+	str	r6, [sp]
+	mov	r4, r6
+	mov	r5, #1
+	b	_037FCA6C
+_037FC9EC:
+	ands	r0, r7, #1
+	beq	_037FCA64
+	mov	r1, #84	; 0x54
+	ldr	r0, _037FCAAC	; =SNDi_Work
+	mla	r8, r6, r1, r0
+	ldr	r0, _037FCAB0	; =_03807F48
+	ldr	r1, [r0]
+	mov	r0, r5, lsl r6
+	ands	r0, r1, r0
+	bne	_037FCA64
+	ldr	r3, [r8, #72]	; 0x48
+	cmp	r3, #0
+	beq	_037FCA34
+	mov	r0, r8
+	mov	r1, fp
+	ldr	r2, [r8, #76]	; 0x4c
+	mov	lr, pc
+	bx	r3
+_037FCA34:
+	mov	r0, r6
+	ldr	r1, [sp]
+	bl	SND_StopChannel
+	strb	r4, [r8, #34]	; 0x22
+	mov	r0, r8
+	bl	SND_FreeExChannel
+	ldrb	r0, [r8, #3]
+	bic	r0, r0, #248	; 0xf8
+	strb	r0, [r8, #3]
+	ldrb	r0, [r8, #3]
+	bic	r0, r0, #1
+	strb	r0, [r8, #3]
+_037FCA64:
+	add	r6, r6, #1
+	mov	r7, r7, lsr #1
+_037FCA6C:
+	cmp	r6, #16
+	bge	_037FCA7C
+	cmp	r7, #0
+	bne	_037FC9EC
+_037FCA7C:
+	ands	r0, r9, #1
+	ldrne	r0, _037FCAB4	; =_03807F44
+	ldrne	r1, [r0]
+	orrne	r1, r1, sl
+	strne	r1, [r0]
+	ldreq	r0, _037FCAB0	; =_03807F48
+	ldreq	r1, [r0]
+	orreq	r1, r1, sl
+	streq	r1, [r0]
+	add	sp, sp, #4
+	ldmia	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
+	bx	lr
+_037FCAAC:	.word	SNDi_Work
+_037FCAB0:	.word	_03807F48
+_037FCAB4:	.word	_03807F44
+
+	arm_func_start SND_StopUnlockedChannel
+SND_StopUnlockedChannel: ; 0x037FCAB8
+	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
+	sub	sp, sp, #4
+	mov	sl, r0
+	mov	r8, #0
+	mov	r6, r8
+	mov	r5, r8
+	mov	r4, r8
+	ldr	fp, _037FCB78	; =SNDi_Work
+	mov	r7, #1
+	b	_037FCB5C
+_037FCAE0:
+	ands	r0, sl, #1
+	beq	_037FCB54
+	mov	r0, #84	; 0x54
+	mla	r9, r8, r0, fp
+	ldr	r0, _037FCB7C	; =_03807F48
+	ldr	r1, [r0]
+	mov	r0, r7, lsl r8
+	ands	r0, r1, r0
+	bne	_037FCB54
+	ldr	r3, [r9, #72]	; 0x48
+	cmp	r3, #0
+	beq	_037FCB24
+	mov	r0, r9
+	mov	r1, r6
+	ldr	r2, [r9, #76]	; 0x4c
+	mov	lr, pc
+	bx	r3
+_037FCB24:
+	mov	r0, r8
+	mov	r1, r5
+	bl	SND_StopChannel
+	strb	r4, [r9, #34]	; 0x22
+	mov	r0, r9
+	bl	SND_FreeExChannel
+	ldrb	r0, [r9, #3]
+	bic	r0, r0, #248	; 0xf8
+	strb	r0, [r9, #3]
+	ldrb	r0, [r9, #3]
+	bic	r0, r0, #1
+	strb	r0, [r9, #3]
+_037FCB54:
+	add	r8, r8, #1
+	mov	sl, sl, lsr #1
+_037FCB5C:
+	cmp	r8, #16
+	bge	_037FCB6C
+	cmp	sl, #0
+	bne	_037FCAE0
+_037FCB6C:
+	add	sp, sp, #4
+	ldmia	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
+	bx	lr
+_037FCB78:	.word	SNDi_Work
+_037FCB7C:	.word	_03807F48