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.include "asm/macros.inc"
.include "global.inc"
.section .data
.global _03807660
_03807660:
.word 0x12345678
.section .text
arm_func_start SND_CalcRandom
SND_CalcRandom: ; 0x037FC058
ldr r2, _037FC080 ; =_03807660
ldr r3, [r2]
ldr r0, _037FC084 ; =0x0019660D
ldr r1, _037FC088 ; =0x3C6EF35F
mla r0, r3, r0, r1
str r0, [r2]
mov r0, r0, lsr #16
mov r0, r0, lsl #16
mov r0, r0, lsr #16
bx lr
_037FC080: .word _03807660
_037FC084: .word 0x0019660D
_037FC088: .word 0x3C6EF35F
arm_func_start SND_SinIdx
SND_SinIdx: ; 0x037FC08C
cmp r0, #32
ldrlt r1, _037FC0F4 ; =_03807170
ldrltsb r0, [r1, r0]
bxlt lr
cmp r0, #64 ; 0x40
rsblt r1, r0, #64 ; 0x40
ldrlt r0, _037FC0F4 ; =_03807170
ldrltsb r0, [r0, r1]
bxlt lr
cmp r0, #96 ; 0x60
bge _037FC0D4
sub r1, r0, #64 ; 0x40
ldr r0, _037FC0F4 ; =_03807170
ldrsb r0, [r0, r1]
rsb r0, r0, #0
mov r0, r0, lsl #24
mov r0, r0, asr #24
bx lr
_037FC0D4:
sub r0, r0, #96 ; 0x60
rsb r1, r0, #32
ldr r0, _037FC0F4 ; =_03807170
ldrsb r0, [r0, r1]
rsb r0, r0, #0
mov r0, r0, lsl #24
mov r0, r0, asr #24
bx lr
_037FC0F4: .word _03807170
arm_func_start SND_CalcChannelVolume
SND_CalcChannelVolume: ; 0x037FC0F8
stmdb sp!, {r4, lr}
mov r4, r0
ldr r0, _037FC168 ; =0xFFFFFD2D
cmp r4, r0
movlt r4, r0
blt _037FC118
cmp r4, #0
movgt r4, #0
_037FC118:
ldr r0, _037FC16C ; =0x000002D3
add r0, r4, r0
bl FUN_037FC170
mvn r1, #239 ; 0xef
cmp r4, r1
movlt r1, #3
blt _037FC154
mvn r1, #119 ; 0x77
cmp r4, r1
movlt r1, #2
blt _037FC154
mvn r1, #59 ; 0x3b
cmp r4, r1
movlt r1, #1
movge r1, #0
_037FC154:
orr r0, r0, r1, lsl #8
mov r0, r0, lsl #16
mov r0, r0, lsr #16
ldmia sp!, {r4, lr}
bx lr
_037FC168: .word 0xFFFFFD2D
_037FC16C: .word 0x000002D3
arm_func_start FUN_037FC170
FUN_037FC170: ; 0x037FC170
ldr ip, _037FC178 ; =SVC_GetVolumeTable
bx ip
_037FC178: .word SVC_GetVolumeTable
arm_func_start SND_CalcTimer
SND_CalcTimer: ; 0x037FC17C
stmdb sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r0
mov r4, #0
rsb r0, r1, #0
b _037FC19C
_037FC194:
sub r4, r4, #1
add r0, r0, #768 ; 0x300
_037FC19C:
cmp r0, #0
blt _037FC194
b _037FC1B0
_037FC1A8:
add r4, r4, #1
sub r0, r0, #768 ; 0x300
_037FC1B0:
cmp r0, #768 ; 0x300
bge _037FC1A8
bl FUN_037FC2A4
mov r2, #0
mov r1, #65536 ; 0x10000
adds lr, r0, r1
adc ip, r2, #0
mov r3, r5, asr #31
umull r1, r0, lr, r5
mla r0, lr, r3, r0
mla r0, ip, r5, r0
sub lr, r4, #16
cmp lr, #0
bgt _037FC208
rsb r2, lr, #0
mov r3, r0, lsr r2
mov r5, r1, lsr r2
rsb r1, r2, #32
orr r5, r5, r0, lsl r1
sub r1, r2, #32
orr r5, r5, r0, lsr r1
b _037FC264
_037FC208:
cmp lr, #32
bge _037FC25C
mvn r5, #0
rsb r4, lr, #32
mov ip, r5, lsl r4
rsb r3, r4, #32
orr ip, ip, r5, lsr r3
sub r3, r4, #32
orr ip, ip, r5, lsl r3
and r3, r0, ip
and r5, r1, r5, lsl r4
cmp r3, r2
cmpeq r5, r2
ldrne r0, _037FC2A0 ; =0x0000FFFF
bne _037FC294
mov r5, r1, lsl lr
mov r3, r0, lsl lr
orr r3, r3, r1, lsr r4
sub r0, lr, #32
orr r3, r3, r1, lsl r0
b _037FC264
_037FC25C:
ldr r0, _037FC2A0 ; =0x0000FFFF
b _037FC294
_037FC264:
mov r1, #0
mov r0, #16
cmp r3, r1
cmpeq r5, r0
movcc r5, r0
bcc _037FC28C
ldr r0, _037FC2A0 ; =0x0000FFFF
cmp r3, r1
cmpeq r5, r0
movhi r5, r0
_037FC28C:
mov r0, r5, lsl #16
mov r0, r0, lsr #16
_037FC294:
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
_037FC2A0: .word 0x0000FFFF
arm_func_start FUN_037FC2A4
FUN_037FC2A4: ; 0x037FC2A4
ldr ip, _037FC2AC ; =SVC_GetPitchTable
bx ip
_037FC2AC: .word SVC_GetPitchTable
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