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authorMichael Panzlaff <michael.panzlaff@fau.de>2021-07-01 00:09:40 +0200
committerMichael Panzlaff <michael.panzlaff@fau.de>2021-08-25 18:03:42 +0200
commit45bbe700e7686ab96b7fc805ea2ea6d024f6077f (patch)
treea31d9d99c250a5ad2350f110cf1b3ae99389bd66 /arm7/asm
parentd049ab8b4a071b7718461dc8b513f34466fec931 (diff)
arm7: decompile SND_exChannel
Diffstat (limited to 'arm7/asm')
-rw-r--r--arm7/asm/SND_channel.s28
-rw-r--r--arm7/asm/SND_exChannel.s645
-rw-r--r--arm7/asm/SND_util.s10
-rw-r--r--arm7/asm/wram2.s16
4 files changed, 27 insertions, 672 deletions
diff --git a/arm7/asm/SND_channel.s b/arm7/asm/SND_channel.s
index 850c06f3..44744493 100644
--- a/arm7/asm/SND_channel.s
+++ b/arm7/asm/SND_channel.s
@@ -3,8 +3,8 @@
.text
- arm_func_start FUN_037FC530
-FUN_037FC530: ; 0x037FC530
+ arm_func_start ExChannelLfoUpdate
+ExChannelLfoUpdate: ; 0x037FC530
stmdb sp!, {r4, r5, r6, lr}
mov r6, r0
mov r5, r1
@@ -50,8 +50,8 @@ _037FC5C0:
ldmia sp!, {r4, r5, r6, lr}
bx lr
- arm_func_start FUN_037FC5CC
-FUN_037FC5CC: ; 0x037FC5CC
+ arm_func_start ExChannelSweepUpdate
+ExChannelSweepUpdate: ; 0x037FC5CC
stmdb sp!, {r4, r5, lr}
sub sp, sp, #4
mov r4, r0
@@ -82,8 +82,8 @@ _037FC630:
ldmia sp!, {r4, r5, lr}
bx lr
- arm_func_start FUN_037FC63C
-FUN_037FC63C: ; 0x037FC63C
+ arm_func_start ExChannelVolumeCmp
+ExChannelVolumeCmp: ; 0x037FC63C
stmfd sp!, {lr}
sub sp, sp, #4
ldrh lr, [r0, #36] ; 0x24
@@ -92,7 +92,7 @@ FUN_037FC63C: ; 0x037FC63C
and r0, ip, #255 ; 0xff
mov r2, r2, lsl #4
mov r3, r0, lsl #4
- ldr r1, _037FC698 ; =_03807294
+ ldr r1, _037FC698 ; =sSampleDataShiftTable
ldrb r0, [r1, lr, asr #8]
mov r2, r2, asr r0
ldrb r0, [r1, ip, asr #8]
@@ -109,10 +109,10 @@ _037FC68C:
add sp, sp, #4
ldmia sp!, {lr}
bx lr
-_037FC698: .word _03807294
+_037FC698: .word sSampleDataShiftTable
- arm_func_start FUN_037FC69C
-FUN_037FC69C: ; 0x037FC69C
+ arm_func_start ExChannelStart
+ExChannelStart: ; 0x037FC69C
stmdb sp!, {r4, lr}
mov r4, r0
ldr r0, _037FC6E4 ; =0xFFFE9680
@@ -133,8 +133,8 @@ FUN_037FC69C: ; 0x037FC69C
bx lr
_037FC6E4: .word 0xFFFE9680
- arm_func_start FUN_037FC6E8
-FUN_037FC6E8: ; 0x037FC6E8
+ arm_func_start ExChannelSetup
+ExChannelSetup: ; 0x037FC6E8
stmdb sp!, {r4, lr}
mov r4, r0
mov ip, #0
@@ -179,8 +179,8 @@ FUN_037FC6E8: ; 0x037FC6E8
ldmia sp!, {r4, lr}
bx lr
- arm_func_start FUN_037FC794
-FUN_037FC794: ; 0x037FC794
+ arm_func_start CalcDecayCoeff
+CalcDecayCoeff: ; 0x037FC794
stmfd sp!, {lr}
sub sp, sp, #4
mov r1, r0
diff --git a/arm7/asm/SND_exChannel.s b/arm7/asm/SND_exChannel.s
deleted file mode 100644
index f6e8fe4d..00000000
--- a/arm7/asm/SND_exChannel.s
+++ /dev/null
@@ -1,645 +0,0 @@
- .include "asm/macros.inc"
- .include "global.inc"
-
- .text
-
- arm_func_start SND_FreeExChannel
-SND_FreeExChannel: ; 0x037FCB80
- cmp r0, #0
- movne r1, #0
- strne r1, [r0, #72] ; 0x48
- strne r1, [r0, #76] ; 0x4c
- bx lr
-
- arm_func_start SND_AllocExChannel
-SND_AllocExChannel: ; 0x037FCB94
- stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
- sub sp, sp, #4
- mov sl, r0
- mov r9, r1
- mov fp, r3
- ldr r0, _037FCCBC ; =sUnlockedChannelMask
- ldr r0, [r0]
- mvn r0, r0
- and sl, sl, r0
- cmp r2, #0
- ldreq r0, _037FCCC0 ; =sLockedChannelMask
- ldreq r0, [r0]
- mvneq r0, r0
- andeq sl, sl, r0
- mov r8, #0
- mov r7, r8
- mov r5, #1
- mov r4, #84 ; 0x54
-_037FCBDC:
- ldr r0, _037FCCC4 ; =_03807298
- ldrb r1, [r0, r7]
- mov r0, r5, lsl r1
- ands r0, sl, r0
- beq _037FCC34
- ldr r0, _037FCCC8 ; =SNDi_Work
- mla r6, r1, r4, r0
- cmp r8, #0
- moveq r8, r6
- beq _037FCC34
- ldrb r1, [r8, #34] ; 0x22
- ldrb r0, [r6, #34] ; 0x22
- cmp r0, r1
- bhi _037FCC34
- cmp r0, r1
- bne _037FCC30
- mov r0, r8
- mov r1, r6
- bl FUN_037FC63C
- cmp r0, #0
- bge _037FCC34
-_037FCC30:
- mov r8, r6
-_037FCC34:
- add r7, r7, #1
- cmp r7, #16
- blt _037FCBDC
- cmp r8, #0
- moveq r0, #0
- beq _037FCCB0
- ldrb r0, [r8, #34] ; 0x22
- cmp r9, r0
- movlt r0, #0
- blt _037FCCB0
- ldr r3, [r8, #72] ; 0x48
- cmp r3, #0
- beq _037FCC7C
- mov r0, r8
- mov r1, #0
- ldr r2, [r8, #76] ; 0x4c
- mov lr, pc
- bx r3
-_037FCC7C:
- ldrb r0, [r8, #3]
- bic r0, r0, #248 ; 0xf8
- orr r0, r0, #16
- strb r0, [r8, #3]
- ldrb r0, [r8, #3]
- bic r0, r0, #1
- strb r0, [r8, #3]
- mov r0, r8
- mov r1, fp
- ldr r2, [sp, #40] ; 0x28
- mov r3, r9
- bl FUN_037FC6E8
- mov r0, r8
-_037FCCB0:
- add sp, sp, #4
- ldmia sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
- bx lr
-_037FCCBC: .word sUnlockedChannelMask
-_037FCCC0: .word sLockedChannelMask
-_037FCCC4: .word _03807298
-_037FCCC8: .word SNDi_Work
-
- arm_func_start SND_IsExChannelActive
-SND_IsExChannelActive: ; 0x037FCCCC
- ldrb r0, [r0, #3]
- mov r0, r0, lsl #31
- mov r0, r0, lsr #31
- bx lr
-
- arm_func_start SND_ReleaseExChannel
-SND_ReleaseExChannel: ; 0x037FCCDC
- mov r1, #3
- strb r1, [r0, #2]
- bx lr
-
- arm_func_start SND_SetExChannelRelease
-SND_SetExChannelRelease: ; 0x037FCCE8
- stmdb sp!, {r4, lr}
- mov r4, r0
- mov r0, r1
- bl FUN_037FC794
- strh r0, [r4, #32]
- ldmia sp!, {r4, lr}
- bx lr
-
- arm_func_start SND_SetExChannelSustain
-SND_SetExChannelSustain: ; 0x037FCD04
- strb r1, [r0, #29]
- bx lr
-
- arm_func_start SND_SetExChannelDecay
-SND_SetExChannelDecay: ; 0x037FCD0C
- stmdb sp!, {r4, lr}
- mov r4, r0
- mov r0, r1
- bl FUN_037FC794
- strh r0, [r4, #30]
- ldmia sp!, {r4, lr}
- bx lr
-
- arm_func_start SND_SetExChannelAttack
-SND_SetExChannelAttack: ; 0x037FCD28
- cmp r1, #109 ; 0x6d
- rsblt r1, r1, #255 ; 0xff
- strltb r1, [r0, #28]
- rsbge r2, r1, #127 ; 0x7f
- ldrge r1, _037FCD48 ; =_038072A8
- ldrgeb r1, [r1, r2]
- strgeb r1, [r0, #28]
- bx lr
-_037FCD48: .word _038072A8
-
- arm_func_start SND_UpdateExChannelEnvelope
-SND_UpdateExChannelEnvelope: ; 0x037FCD4C
- cmp r1, #0
- beq _037FCDF0
- ldrb r1, [r0, #2]
- cmp r1, #3
- addls pc, pc, r1, lsl #2
- b _037FCDF0
- b _037FCD74
- b _037FCDA4
- b _037FCDF0
- b _037FCDE0
-_037FCD74:
- ldr r1, [r0, #16]
- rsb r2, r1, #0
- ldrb r1, [r0, #28]
- mul r1, r2, r1
- mov r1, r1, asr #8
- rsb r1, r1, #0
- str r1, [r0, #16]
- ldr r1, [r0, #16]
- cmp r1, #0
- moveq r1, #1
- streqb r1, [r0, #2]
- b _037FCDF0
-_037FCDA4:
- ldrb r1, [r0, #29]
- mov r2, r1, lsl #1
- ldr r1, _037FCDFC ; =SNDi_DecibelSquareTable
- ldrsh r1, [r1, r2]
- mov r3, r1, lsl #7
- ldr r2, [r0, #16]
- ldrh r1, [r0, #30]
- sub r1, r2, r1
- str r1, [r0, #16]
- ldr r1, [r0, #16]
- cmp r1, r3
- strle r3, [r0, #16]
- movle r1, #2
- strleb r1, [r0, #2]
- b _037FCDF0
-_037FCDE0:
- ldr r2, [r0, #16]
- ldrh r1, [r0, #32]
- sub r1, r2, r1
- str r1, [r0, #16]
-_037FCDF0:
- ldr r0, [r0, #16]
- mov r0, r0, asr #7
- bx lr
-_037FCDFC: .word SNDi_DecibelSquareTable
-
- arm_func_start SND_StartExChannelNoise
-SND_StartExChannelNoise: ; 0x037FCE00
- stmfd sp!, {lr}
- sub sp, sp, #4
- ldrb r2, [r0]
- cmp r2, #14
- movcc r0, #0
- bcc _037FCE3C
- cmp r2, #15
- movhi r0, #0
- bhi _037FCE3C
- mov r2, #2
- strb r2, [r0, #1]
- ldr r2, _037FCE48 ; =0x00001F46
- strh r2, [r0, #60] ; 0x3c
- bl FUN_037FC69C
- mov r0, #1
-_037FCE3C:
- add sp, sp, #4
- ldmia sp!, {lr}
- bx lr
-_037FCE48: .word 0x00001F46
-
- arm_func_start SND_StartExChannelPsg
-SND_StartExChannelPsg: ; 0x037FCE4C
- stmfd sp!, {lr}
- sub sp, sp, #4
- ldrb r3, [r0]
- cmp r3, #8
- movcc r0, #0
- bcc _037FCE90
- cmp r3, #13
- movhi r0, #0
- bhi _037FCE90
- mov r3, #1
- strb r3, [r0, #1]
- str r1, [r0, #68] ; 0x44
- ldr r1, _037FCE9C ; =0x00001F46
- strh r1, [r0, #60] ; 0x3c
- mov r1, r2
- bl FUN_037FC69C
- mov r0, #1
-_037FCE90:
- add sp, sp, #4
- ldmia sp!, {lr}
- bx lr
-_037FCE9C: .word 0x00001F46
-
- arm_func_start SND_StartExChannelPcm
-SND_StartExChannelPcm: ; 0x037FCEA0
- stmdb sp!, {r4, lr}
- mov r4, r0
- mov lr, r2
- mov r0, #0
- strb r0, [r4, #1]
- add ip, r4, #56 ; 0x38
- ldmia r1, {r0, r1, r2}
- stmia ip, {r0, r1, r2}
- str lr, [r4, #68] ; 0x44
- mov r0, r4
- mov r1, r3
- bl FUN_037FC69C
- mov r0, #1
- ldmia sp!, {r4, lr}
- bx lr
-
- arm_func_start SND_ExChannelMain
-SND_ExChannelMain: ; 0x037FCEDC
- stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
- sub sp, sp, #28
- mov r6, r0
- mov r4, #0
- mov fp, r4
- mov r7, #1
- str r4, [sp, #8]
- mov r0, #127 ; 0x7f
- str r0, [sp, #20]
- str r4, [sp, #16]
- str r4, [sp, #12]
- str r4, [sp, #4]
- str r4, [sp]
-_037FCF10:
- ldr r8, [sp]
- mov sl, r8
- mov r9, r8
- mov r1, #84 ; 0x54
- ldr r0, _037FD1E4 ; =SNDi_Work
- mla r5, r4, r1, r0
- ldrb r1, [r5, #3]
- mov r0, r1, lsl #31
- movs r0, r0, lsr #31
- beq _037FD1CC
- mov r0, r1, lsl #30
- movs r0, r0, lsr #31
- beq _037FCF74
- bic r0, r1, #248 ; 0xf8
- mov r1, r1, lsl #24
- mov r1, r1, lsr #27
- orr r1, r1, #1
- and r1, r1, #255 ; 0xff
- and r1, r1, #31
- orr r0, r0, r1, lsl #3
- strb r0, [r5, #3]
- ldrb r0, [r5, #3]
- bic r0, r0, #2
- strb r0, [r5, #3]
- b _037FCFC0
-_037FCF74:
- mov r0, r4
- bl SND_IsChannelActive
- cmp r0, #0
- bne _037FCFC0
- ldr r3, [r5, #72] ; 0x48
- cmp r3, #0
- streqb fp, [r5, #34] ; 0x22
- beq _037FCFA8
- mov r0, r5
- mov r1, r7
- ldr r2, [r5, #76] ; 0x4c
- mov lr, pc
- bx r3
-_037FCFA8:
- ldr r0, [sp, #4]
- strh r0, [r5, #36] ; 0x24
- ldrb r0, [r5, #3]
- bic r0, r0, #1
- strb r0, [r5, #3]
- b _037FD1CC
-_037FCFC0:
- ldrb r0, [r5, #9]
- mov r1, r0, lsl #1
- ldr r0, _037FD1E8 ; =SNDi_DecibelSquareTable
- ldrsh r0, [r0, r1]
- add r8, r8, r0
- ldrb r1, [r5, #8]
- ldrb r0, [r5, #5]
- sub r0, r1, r0
- add sl, sl, r0, lsl #6
- mov r0, r5
- mov r1, r6
- bl SND_UpdateExChannelEnvelope
- add r8, r8, r0
- mov r0, r5
- mov r1, r6
- bl FUN_037FC5CC
- add r2, sl, r0
- ldrsh r0, [r5, #12]
- add r1, r8, r0
- ldrsh r0, [r5, #6]
- add r8, r1, r0
- ldrsh r0, [r5, #14]
- add sl, r2, r0
- mov r0, r5
- mov r1, r6
- bl FUN_037FC530
- ldrb r1, [r5, #40] ; 0x28
- cmp r1, #0
- beq _037FD05C
- cmp r1, #1
- beq _037FD048
- cmp r1, #2
- addeq r9, r9, r0
- b _037FD060
-_037FD048:
- mov r1, #32768 ; 0x8000
- rsb r1, r1, #0
- cmp r8, r1
- addgt r8, r8, r0
- b _037FD060
-_037FD05C:
- add sl, sl, r0
-_037FD060:
- ldrsb r0, [r5, #10]
- add r9, r9, r0
- ldrb r0, [r5, #4]
- cmp r0, #127 ; 0x7f
- mulne r0, r9, r0
- addne r0, r0, #64 ; 0x40
- movne r9, r0, asr #7
- ldrsb r0, [r5, #11]
- add r9, r9, r0
- ldrb r0, [r5, #2]
- cmp r0, #3
- bne _037FD0EC
- ldr r0, _037FD1EC ; =0xFFFFFD2D
- cmp r8, r0
- bgt _037FD0EC
- ldrb r0, [r5, #3]
- bic r0, r0, #248 ; 0xf8
- orr r0, r0, #16
- strb r0, [r5, #3]
- ldr r3, [r5, #72] ; 0x48
- cmp r3, #0
- ldreq r0, [sp, #8]
- streqb r0, [r5, #34] ; 0x22
- beq _037FD0D4
- mov r0, r5
- mov r1, r7
- ldr r2, [r5, #76] ; 0x4c
- mov lr, pc
- bx r3
-_037FD0D4:
- ldr r0, [sp, #12]
- strh r0, [r5, #36] ; 0x24
- ldrb r0, [r5, #3]
- bic r0, r0, #1
- strb r0, [r5, #3]
- b _037FD1CC
-_037FD0EC:
- mov r0, r8
- bl SND_CalcChannelVolume
- mov r8, r0
- ldrh r0, [r5, #60] ; 0x3c
- mov r1, sl
- bl SND_CalcTimer
- ldrb r1, [r5, #1]
- cmp r1, #1
- ldreq r1, _037FD1F0 ; =0x0000FFFC
- andeq r0, r0, r1
- moveq r0, r0, lsl #16
- moveq r0, r0, lsr #16
- adds r9, r9, #64 ; 0x40
- ldrmi r9, [sp, #16]
- bmi _037FD130
- cmp r9, #127 ; 0x7f
- ldrgt r9, [sp, #20]
-_037FD130:
- ldrh r1, [r5, #36] ; 0x24
- cmp r8, r1
- beq _037FD164
- strh r8, [r5, #36] ; 0x24
- ldrb r2, [r5, #3]
- bic r1, r2, #248 ; 0xf8
- mov r2, r2, lsl #24
- mov r2, r2, lsr #27
- orr r2, r2, #8
- and r2, r2, #255 ; 0xff
- and r2, r2, #31
- orr r1, r1, r2, lsl #3
- strb r1, [r5, #3]
-_037FD164:
- ldrh r1, [r5, #38] ; 0x26
- cmp r0, r1
- beq _037FD198
- strh r0, [r5, #38] ; 0x26
- ldrb r0, [r5, #3]
- bic r1, r0, #248 ; 0xf8
- mov r0, r0, lsl #24
- mov r0, r0, lsr #27
- orr r0, r0, #4
- and r0, r0, #255 ; 0xff
- and r0, r0, #31
- orr r0, r1, r0, lsl #3
- strb r0, [r5, #3]
-_037FD198:
- ldrb r0, [r5, #35] ; 0x23
- cmp r9, r0
- beq _037FD1CC
- strb r9, [r5, #35] ; 0x23
- ldrb r0, [r5, #3]
- bic r1, r0, #248 ; 0xf8
- mov r0, r0, lsl #24
- mov r0, r0, lsr #27
- orr r0, r0, #16
- and r0, r0, #255 ; 0xff
- and r0, r0, #31
- orr r0, r1, r0, lsl #3
- strb r0, [r5, #3]
-_037FD1CC:
- add r4, r4, #1
- cmp r4, #16
- blt _037FCF10
- add sp, sp, #28
- ldmia sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
- bx lr
-_037FD1E4: .word SNDi_Work
-_037FD1E8: .word SNDi_DecibelSquareTable
-_037FD1EC: .word 0xFFFFFD2D
-_037FD1F0: .word 0x0000FFFC
-
- arm_func_start SND_UpdateExChannel
-SND_UpdateExChannel: ; 0x037FD1F4
- stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, lr}
- sub sp, sp, #24
- mov r8, #0
- mov r4, #2
- mov r5, #1
- mov r6, r8
- ldr r7, _037FD3DC ; =SNDi_Work
- mov sl, #84 ; 0x54
-_037FD214:
- mla r9, r8, sl, r7
- ldrb r0, [r9, #3]
- mov r0, r0, lsl #24
- movs r0, r0, lsr #27
- beq _037FD374
- ands r0, r0, #2
- beq _037FD23C
- mov r0, r8
- mov r1, r6
- bl SND_StopChannel
-_037FD23C:
- ldrb r0, [r9, #3]
- mov r0, r0, lsl #24
- mov r1, r0, lsr #27
- ands r0, r1, #1
- beq _037FD318
- ldrb r0, [r9, #1]
- cmp r0, #0
- beq _037FD270
- cmp r0, #1
- beq _037FD2C8
- cmp r0, #2
- beq _037FD2F4
- b _037FD374
-_037FD270:
- ldrb r0, [r9, #57] ; 0x39
- cmp r0, #0
- movne r3, r5
- moveq r3, r4
- ldrh r1, [r9, #36] ; 0x24
- ldrh r0, [r9, #62] ; 0x3e
- str r0, [sp]
- ldr r0, [r9, #64] ; 0x40
- str r0, [sp, #4]
- and r0, r1, #255 ; 0xff
- str r0, [sp, #8]
- mov r0, r1, asr #8
- str r0, [sp, #12]
- ldrh r0, [r9, #38] ; 0x26
- str r0, [sp, #16]
- ldrb r0, [r9, #35] ; 0x23
- str r0, [sp, #20]
- mov r0, r8
- ldr r1, [r9, #68] ; 0x44
- ldrb r2, [r9, #56] ; 0x38
- bl SND_SetupChannelPcm
- b _037FD374
-_037FD2C8:
- ldrh r3, [r9, #36] ; 0x24
- ldrh r0, [r9, #38] ; 0x26
- str r0, [sp]
- ldrb r0, [r9, #35] ; 0x23
- str r0, [sp, #4]
- mov r0, r8
- ldr r1, [r9, #68] ; 0x44
- and r2, r3, #255 ; 0xff
- mov r3, r3, asr #8
- bl SND_SetupChannelPsg
- b _037FD374
-_037FD2F4:
- ldrh r2, [r9, #36] ; 0x24
- ldrb r0, [r9, #35] ; 0x23
- str r0, [sp]
- mov r0, r8
- and r1, r2, #255 ; 0xff
- mov r2, r2, asr #8
- ldrh r3, [r9, #38] ; 0x26
- bl SND_SetupChannelNoise
- b _037FD374
-_037FD318:
- ands r0, r1, #4
- beq _037FD32C
- mov r0, r8
- ldrh r1, [r9, #38] ; 0x26
- bl SND_SetChannelTimer
-_037FD32C:
- ldrb r0, [r9, #3]
- mov r0, r0, lsl #24
- mov r0, r0, lsr #27
- ands r0, r0, #8
- beq _037FD354
- ldrh r2, [r9, #36] ; 0x24
- mov r0, r8
- and r1, r2, #255 ; 0xff
- mov r2, r2, asr #8
- bl SND_SetChannelVolume
-_037FD354:
- ldrb r0, [r9, #3]
- mov r0, r0, lsl #24
- mov r0, r0, lsr #27
- ands r0, r0, #16
- beq _037FD374
- mov r0, r8
- ldrb r1, [r9, #35] ; 0x23
- bl SND_SetChannelPan
-_037FD374:
- add r8, r8, #1
- cmp r8, #16
- blt _037FD214
- mov r5, #0
- ldr r3, _037FD3DC ; =SNDi_Work
- mov r1, #84 ; 0x54
-_037FD38C:
- mla r4, r5, r1, r3
- ldrb r0, [r4, #3]
- mov r0, r0, lsl #24
- movs r0, r0, lsr #27
- beq _037FD3C4
- ands r0, r0, #1
- movne r0, r5, lsl #4
- addne r0, r0, #67108864 ; 0x4000000
- ldrneb r2, [r0, #1027] ; 0x403
- orrne r2, r2, #128 ; 0x80
- strneb r2, [r0, #1027] ; 0x403
- ldrb r0, [r4, #3]
- bic r0, r0, #248 ; 0xf8
- strb r0, [r4, #3]
-_037FD3C4:
- add r5, r5, #1
- cmp r5, #16
- blt _037FD38C
- add sp, sp, #24
- ldmia sp!, {r4, r5, r6, r7, r8, r9, sl, lr}
- bx lr
-_037FD3DC: .word SNDi_Work
-
- arm_func_start SND_ExChannelInit
-SND_ExChannelInit: ; 0x037FD3E0
- mov ip, #0
- ldr r2, _037FD434 ; =SNDi_Work
- mov r0, #84 ; 0x54
-_037FD3EC:
- mul r1, ip, r0
- add r3, r2, r1
- strb ip, [r2, r1]
- ldrb r1, [r3, #3]
- bic r1, r1, #248 ; 0xf8
- strb r1, [r3, #3]
- ldrb r1, [r3, #3]
- bic r1, r1, #1
- strb r1, [r3, #3]
- add ip, ip, #1
- cmp ip, #16
- blt _037FD3EC
- mov r1, #0
- ldr r0, _037FD438 ; =sUnlockedChannelMask
- str r1, [r0]
- ldr r0, _037FD43C ; =sLockedCHannelMask
- str r1, [r0]
- bx lr
-_037FD434: .word SNDi_Work
-_037FD438: .word sUnlockedChannelMask
-_037FD43C: .word sLockedChannelMask
diff --git a/arm7/asm/SND_util.s b/arm7/asm/SND_util.s
index 4d136781..7964fe4e 100644
--- a/arm7/asm/SND_util.s
+++ b/arm7/asm/SND_util.s
@@ -28,18 +28,18 @@ _037FC088: .word 0x3C6EF35F
arm_func_start SND_SinIdx
SND_SinIdx: ; 0x037FC08C
cmp r0, #32
- ldrlt r1, _037FC0F4 ; =_03807170
+ ldrlt r1, _037FC0F4 ; =sLfoSinTable
ldrltsb r0, [r1, r0]
bxlt lr
cmp r0, #64 ; 0x40
rsblt r1, r0, #64 ; 0x40
- ldrlt r0, _037FC0F4 ; =_03807170
+ ldrlt r0, _037FC0F4 ; =sLfoSinTable
ldrltsb r0, [r0, r1]
bxlt lr
cmp r0, #96 ; 0x60
bge _037FC0D4
sub r1, r0, #64 ; 0x40
- ldr r0, _037FC0F4 ; =_03807170
+ ldr r0, _037FC0F4 ; =sLfoSinTable
ldrsb r0, [r0, r1]
rsb r0, r0, #0
mov r0, r0, lsl #24
@@ -48,13 +48,13 @@ SND_SinIdx: ; 0x037FC08C
_037FC0D4:
sub r0, r0, #96 ; 0x60
rsb r1, r0, #32
- ldr r0, _037FC0F4 ; =_03807170
+ ldr r0, _037FC0F4 ; =sLfoSinTable
ldrsb r0, [r0, r1]
rsb r0, r0, #0
mov r0, r0, lsl #24
mov r0, r0, asr #24
bx lr
-_037FC0F4: .word _03807170
+_037FC0F4: .word sLfoSinTable
arm_func_start SND_CalcChannelVolume
SND_CalcChannelVolume: ; 0x037FC0F8
diff --git a/arm7/asm/wram2.s b/arm7/asm/wram2.s
index 7191db9d..6dfeea6f 100644
--- a/arm7/asm/wram2.s
+++ b/arm7/asm/wram2.s
@@ -962,8 +962,8 @@ _u32_div_not_0_f: ;@ 0x03806F94
mov r1, r3
bx lr
- .global _03807170
-_03807170:
+ .global sLfoSinTable
+sLfoSinTable:
.byte 0
.byte 6
.byte 12
@@ -1132,15 +1132,15 @@ SNDi_DecibelSquareTable:
.short -1
.short 0
- .global _03807294
-_03807294:
+ .global sSampleDataShiftTable
+sSampleDataShiftTable:
.byte 0
.byte 1
.byte 2
.byte 4
- .global _03807298
-_03807298:
+ .global sChannelAllocationOrder
+sChannelAllocationOrder:
.byte 4
.byte 5
.byte 6
@@ -1158,8 +1158,8 @@ _03807298:
.byte 15
.byte 13
- .global _038072A8
-_038072A8:
+ .global sAttackCoeffTable
+sAttackCoeffTable:
.byte 0
.byte 1
.byte 5