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.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start GetWaveData
GetWaveData: ; 0x037FF114
stmfd sp!, {lr}
sub sp, sp, #4
add r0, r0, r1, lsl #3
ldr r0, [r0, #24]
cmp r0, #0
moveq r0, #0
beq _037FF148
ldr r1, [r0, #56] ; 0x38
cmp r2, r1
movcs r0, #0
bcs _037FF148
mov r1, r2
bl SND_GetWaveDataAddress
_037FF148:
add sp, sp, #4
ldmia sp!, {lr}
bx lr
arm_func_start SND_NoteOn
SND_NoteOn: ; 0x037FF154
stmdb sp!, {r4, r5, r6, r7, r8, r9, lr}
sub sp, sp, #4
mov r9, r0
mov r8, r1
mov r7, r2
mov r6, r3
ldr r5, [sp, #36] ; 0x24
ldrb r4, [r5, #10]
cmp r4, #255 ; 0xff
mvneq r6, #0
moveq r4, #0
ldrb r0, [r5]
cmp r0, #4
addls pc, pc, r0, lsl #2
b _037FF210
b _037FF210
b _037FF1A4
b _037FF1EC
b _037FF200
b _037FF1A4
_037FF1A4:
cmp r0, #1
ldrneh r1, [r5, #4]
ldrneh r0, [r5, #2]
orrne r1, r0, r1, lsl #16
bne _037FF1CC
ldr r0, [sp, #32]
ldrh r1, [r5, #4]
ldrh r2, [r5, #2]
bl GetWaveData
mov r1, r0
_037FF1CC:
cmp r1, #0
moveq r0, #0
beq _037FF214
mov r0, r9
add r2, r1, #12
mov r3, r6
bl SND_StartExChannelPcm
b _037FF214
_037FF1EC:
mov r0, r9
ldrh r1, [r5, #2]
mov r2, r6
bl SND_StartExChannelPsg
b _037FF214
_037FF200:
mov r0, r9
mov r1, r6
bl SND_StartExChannelNoise
b _037FF214
_037FF210:
mov r0, #0
_037FF214:
cmp r0, #0
moveq r0, #0
beq _037FF270
strb r8, [r9, #8]
ldrb r0, [r5, #6]
strb r0, [r9, #5]
strb r7, [r9, #9]
mov r0, r9
ldrb r1, [r5, #7]
bl SND_SetExChannelAttack
mov r0, r9
ldrb r1, [r5, #8]
bl SND_SetExChannelDecay
mov r0, r9
ldrb r1, [r5, #9]
bl SND_SetExChannelSustain
mov r0, r9
mov r1, r4
bl SND_SetExChannelRelease
ldrb r0, [r5, #11]
sub r0, r0, #64 ; 0x40
strb r0, [r9, #10]
mov r0, #1
_037FF270:
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, r9, lr}
bx lr
arm_func_start SND_GetWaveDataAddress
SND_GetWaveDataAddress: ; 0x037FF27C
stmdb sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r0
mov r4, r1
bl SNDi_LockMutex
add r0, r5, r4, lsl #2
ldr r4, [r0, #60] ; 0x3c
cmp r4, #0
beq _037FF2AC
cmp r4, #33554432 ; 0x2000000
addcc r4, r5, r4
b _037FF2B0
_037FF2AC:
mov r4, #0
_037FF2B0:
bl SNDi_UnlockMutex
mov r0, r4
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_start SND_ReadInstData
SND_ReadInstData: ; 0x037FF2C4
stmdb sp!, {r4, r5, r6, r7, lr}
sub sp, sp, #4
mov r6, r0
movs r7, r1
mov r5, r2
mov r4, r3
movmi r0, #0
bmi _037FF43C
bl SNDi_LockMutex
ldr r0, [r6, #56] ; 0x38
cmp r7, r0
bcc _037FF300
bl SNDi_UnlockMutex
mov r0, #0
b _037FF43C
_037FF300:
add r0, r6, r7, lsl #2
ldr r3, [r0, #60] ; 0x3c
strb r3, [r4]
ldrb r0, [r4]
cmp r0, #17
addls pc, pc, r0, lsl #2
b _037FF428
b _037FF428
b _037FF364
b _037FF364
b _037FF364
b _037FF364
b _037FF364
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF428
b _037FF384
b _037FF3D4
_037FF364:
add r3, r6, r3, lsr #8
add r2, r4, #2
mov r1, #5
_037FF370:
ldrh r0, [r3], #2
strh r0, [r2], #2
subs r1, r1, #1
bne _037FF370
b _037FF434
_037FF384:
add r2, r6, r3, lsr #8
ldrb r1, [r2, #1]
ldrb r0, [r6, r3, lsr #8]
cmp r5, r0
blt _037FF3A0
cmp r5, r1
ble _037FF3AC
_037FF3A0:
bl SNDi_UnlockMutex
mov r0, #0
b _037FF43C
_037FF3AC:
sub r1, r5, r0
mov r0, #12
mla r0, r1, r0, r2
add r2, r0, #2
mov r1, #6
_037FF3C0:
ldrh r0, [r2], #2
strh r0, [r4], #2
subs r1, r1, #1
bne _037FF3C0
b _037FF434
_037FF3D4:
mov r2, #0
add r1, r6, r3, lsr #8
b _037FF3F8
_037FF3E0:
add r2, r2, #1
cmp r2, #8
blt _037FF3F8
bl SNDi_UnlockMutex
mov r0, #0
b _037FF43C
_037FF3F8:
ldrb r0, [r1, r2]
cmp r5, r0
bgt _037FF3E0
mov r0, #12
mla r0, r2, r0, r1
add r2, r0, #8
mov r1, #6
_037FF414:
ldrh r0, [r2], #2
strh r0, [r4], #2
subs r1, r1, #1
bne _037FF414
b _037FF434
_037FF428:
bl SNDi_UnlockMutex
mov r0, #0
b _037FF43C
_037FF434:
bl SNDi_UnlockMutex
mov r0, #1
_037FF43C:
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, lr}
bx lr
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