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|
.include "asm/macros.inc"
.include "constants/gba_constants.inc"
.include "constants/m4a_constants.inc"
.syntax unified
.text
thumb_func_start CgbSound
CgbSound: @ 81DEA70
push {r4-r7,lr}
mov r7, r10
mov r6, r9
mov r5, r8
push {r5-r7}
sub sp, 0x1C
ldr r0, =SOUND_INFO_PTR
ldr r0, [r0]
str r0, [sp, 0x4]
ldrb r0, [r0, 0xA]
cmp r0, 0
beq _081DEA94
subs r0, 0x1
ldr r1, [sp, 0x4]
strb r0, [r1, 0xA]
b _081DEA9A
.pool
_081DEA94:
movs r0, 0xE
ldr r2, [sp, 0x4]
strb r0, [r2, 0xA]
_081DEA9A:
movs r6, 0x1
ldr r0, [sp, 0x4]
ldr r4, [r0, 0x1C]
_081DEAA0:
ldrb r1, [r4]
movs r0, 0xC7
ands r0, r1
adds r2, r6, 0x1
mov r10, r2
movs r2, 0x40
adds r2, r4
mov r9, r2
cmp r0, 0
bne _081DEAB6
b _081DEEA0
_081DEAB6:
cmp r6, 0x2
beq _081DEAE8
cmp r6, 0x2
bgt _081DEAC4
cmp r6, 0x1
beq _081DEACA
b _081DEB20
_081DEAC4:
cmp r6, 0x3
beq _081DEB00
b _081DEB20
_081DEACA:
ldr r0, =REG_NR10
str r0, [sp, 0x8]
ldr r7, =REG_NR11
ldr r2, =REG_NR12
str r2, [sp, 0xC]
adds r0, 0x4
str r0, [sp, 0x10]
adds r2, 0x2
b _081DEB30
.pool
_081DEAE8:
ldr r0, =REG_NR10 + 1
str r0, [sp, 0x8]
ldr r7, =REG_NR21
ldr r2, =REG_NR22
b _081DEB28
.pool
_081DEB00:
ldr r0, =REG_NR30
str r0, [sp, 0x8]
ldr r7, =REG_NR31
ldr r2, =REG_NR32
str r2, [sp, 0xC]
adds r0, 0x4
str r0, [sp, 0x10]
adds r2, 0x2
b _081DEB30
.pool
_081DEB20:
ldr r0, =REG_NR30 + 1
str r0, [sp, 0x8]
ldr r7, =REG_NR41
ldr r2, =REG_NR42
_081DEB28:
str r2, [sp, 0xC]
adds r0, 0xB
str r0, [sp, 0x10]
adds r2, 0x4
_081DEB30:
str r2, [sp, 0x14]
ldr r0, [sp, 0x4]
ldrb r0, [r0, 0xA]
str r0, [sp]
ldr r2, [sp, 0xC]
ldrb r0, [r2]
mov r8, r0
adds r2, r1, 0
movs r0, 0x80
ands r0, r2
cmp r0, 0
beq _081DEC26
movs r3, 0x40
adds r0, r3, 0
ands r0, r2
lsls r0, 24
lsrs r5, r0, 24
adds r0, r6, 0x1
mov r10, r0
movs r1, 0x40
adds r1, r4
mov r9, r1
cmp r5, 0
bne _081DEC4A
movs r0, 0x3
strb r0, [r4]
strb r0, [r4, 0x1D]
adds r0, r4, 0
str r3, [sp, 0x18]
bl CgbModVol
ldr r3, [sp, 0x18]
cmp r6, 0x2
beq _081DEB98
cmp r6, 0x2
bgt _081DEB8C
cmp r6, 0x1
beq _081DEB92
b _081DEBEC
.pool
_081DEB8C:
cmp r6, 0x3
beq _081DEBA4
b _081DEBEC
_081DEB92:
ldrb r0, [r4, 0x1F]
ldr r2, [sp, 0x8]
strb r0, [r2]
_081DEB98:
ldr r0, [r4, 0x24]
lsls r0, 6
ldrb r1, [r4, 0x1E]
adds r0, r1, r0
strb r0, [r7]
b _081DEBF8
_081DEBA4:
ldr r1, [r4, 0x24]
ldr r0, [r4, 0x28]
cmp r1, r0
beq _081DEBCC
ldr r2, [sp, 0x8]
strb r3, [r2]
ldr r1, =REG_WAVE_RAM
ldr r2, [r4, 0x24]
ldr r0, [r2]
str r0, [r1]
adds r1, 0x4
ldr r0, [r2, 0x4]
str r0, [r1]
adds r1, 0x4
ldr r0, [r2, 0x8]
str r0, [r1]
adds r1, 0x4
ldr r0, [r2, 0xC]
str r0, [r1]
str r2, [r4, 0x28]
_081DEBCC:
ldr r0, [sp, 0x8]
strb r5, [r0]
ldrb r0, [r4, 0x1E]
strb r0, [r7]
ldrb r0, [r4, 0x1E]
cmp r0, 0
beq _081DEBE4
movs r0, 0xC0
b _081DEC06
.pool
_081DEBE4:
movs r1, 0x80
negs r1, r1
strb r1, [r4, 0x1A]
b _081DEC08
_081DEBEC:
ldrb r0, [r4, 0x1E]
strb r0, [r7]
ldr r0, [r4, 0x24]
lsls r0, 3
ldr r2, [sp, 0x10]
strb r0, [r2]
_081DEBF8:
ldrb r0, [r4, 0x4]
adds r0, 0x8
mov r8, r0
ldrb r0, [r4, 0x1E]
cmp r0, 0
beq _081DEC06
movs r0, 0x40
_081DEC06:
strb r0, [r4, 0x1A]
_081DEC08:
ldrb r1, [r4, 0x4]
movs r2, 0
strb r1, [r4, 0xB]
movs r0, 0xFF
ands r0, r1
adds r1, r6, 0x1
mov r10, r1
movs r1, 0x40
adds r1, r4
mov r9, r1
cmp r0, 0
bne _081DEC22
b _081DED5E
_081DEC22:
strb r2, [r4, 0x9]
b _081DED8C
_081DEC26:
movs r0, 0x4
ands r0, r2
cmp r0, 0
beq _081DEC58
ldrb r0, [r4, 0xD]
subs r0, 0x1
strb r0, [r4, 0xD]
movs r2, 0xFF
ands r0, r2
lsls r0, 24
adds r1, r6, 0x1
mov r10, r1
movs r2, 0x40
adds r2, r4
mov r9, r2
cmp r0, 0
ble _081DEC4A
b _081DED9E
_081DEC4A:
lsls r0, r6, 24
lsrs r0, 24
bl CgbOscOff
movs r0, 0
strb r0, [r4]
b _081DEE9C
_081DEC58:
movs r0, 0x40
ands r0, r1
adds r2, r6, 0x1
mov r10, r2
movs r2, 0x40
adds r2, r4
mov r9, r2
cmp r0, 0
beq _081DEC98
movs r0, 0x3
ands r0, r1
cmp r0, 0
beq _081DEC98
movs r0, 0xFC
ands r0, r1
movs r2, 0
strb r0, [r4]
ldrb r1, [r4, 0x7]
strb r1, [r4, 0xB]
movs r0, 0xFF
ands r0, r1
cmp r0, 0
beq _081DECCA
movs r0, 0x1
ldrb r1, [r4, 0x1D]
orrs r0, r1
strb r0, [r4, 0x1D]
cmp r6, 0x3
beq _081DED8C
ldrb r2, [r4, 0x7]
mov r8, r2
b _081DED8C
_081DEC98:
ldrb r0, [r4, 0xB]
cmp r0, 0
bne _081DED8C
cmp r6, 0x3
bne _081DECAA
movs r0, 0x1
ldrb r1, [r4, 0x1D]
orrs r0, r1
strb r0, [r4, 0x1D]
_081DECAA:
adds r0, r4, 0
bl CgbModVol
movs r0, 0x3
ldrb r2, [r4]
ands r0, r2
cmp r0, 0
bne _081DECFE
ldrb r0, [r4, 0x9]
subs r0, 0x1
strb r0, [r4, 0x9]
movs r1, 0xFF
ands r0, r1
lsls r0, 24
cmp r0, 0
bgt _081DECFA
_081DECCA:
ldrb r2, [r4, 0xC]
ldrb r1, [r4, 0xA]
adds r0, r2, 0
muls r0, r1
adds r0, 0xFF
asrs r0, 8
movs r1, 0
strb r0, [r4, 0x9]
lsls r0, 24
cmp r0, 0
beq _081DEC4A
movs r0, 0x4
ldrb r2, [r4]
orrs r0, r2
strb r0, [r4]
movs r0, 0x1
ldrb r1, [r4, 0x1D]
orrs r0, r1
strb r0, [r4, 0x1D]
cmp r6, 0x3
beq _081DED9E
movs r2, 0x8
mov r8, r2
b _081DED9E
_081DECFA:
ldrb r0, [r4, 0x7]
b _081DED8A
_081DECFE:
cmp r0, 0x1
bne _081DED0A
_081DED02:
ldrb r0, [r4, 0x19]
strb r0, [r4, 0x9]
movs r0, 0x7
b _081DED8A
_081DED0A:
cmp r0, 0x2
bne _081DED4E
ldrb r0, [r4, 0x9]
subs r0, 0x1
strb r0, [r4, 0x9]
movs r1, 0xFF
ands r0, r1
lsls r0, 24
ldrb r2, [r4, 0x19]
lsls r1, r2, 24
cmp r0, r1
bgt _081DED4A
_081DED22:
ldrb r0, [r4, 0x6]
cmp r0, 0
bne _081DED32
movs r0, 0xFC
ldrb r1, [r4]
ands r0, r1
strb r0, [r4]
b _081DECCA
_081DED32:
ldrb r0, [r4]
subs r0, 0x1
strb r0, [r4]
movs r0, 0x1
ldrb r2, [r4, 0x1D]
orrs r0, r2
strb r0, [r4, 0x1D]
cmp r6, 0x3
beq _081DED02
movs r0, 0x8
mov r8, r0
b _081DED02
_081DED4A:
ldrb r0, [r4, 0x5]
b _081DED8A
_081DED4E:
ldrb r0, [r4, 0x9]
adds r0, 0x1
strb r0, [r4, 0x9]
movs r1, 0xFF
ands r0, r1
ldrb r2, [r4, 0xA]
cmp r0, r2
bcc _081DED88
_081DED5E:
ldrb r0, [r4]
subs r0, 0x1
movs r2, 0
strb r0, [r4]
ldrb r1, [r4, 0x5]
strb r1, [r4, 0xB]
movs r0, 0xFF
ands r0, r1
cmp r0, 0
beq _081DED22
movs r0, 0x1
ldrb r1, [r4, 0x1D]
orrs r0, r1
strb r0, [r4, 0x1D]
ldrb r0, [r4, 0xA]
strb r0, [r4, 0x9]
cmp r6, 0x3
beq _081DED8C
ldrb r2, [r4, 0x5]
mov r8, r2
b _081DED8C
_081DED88:
ldrb r0, [r4, 0x4]
_081DED8A:
strb r0, [r4, 0xB]
_081DED8C:
ldrb r0, [r4, 0xB]
subs r0, 0x1
strb r0, [r4, 0xB]
ldr r0, [sp]
cmp r0, 0
bne _081DED9E
subs r0, 0x1
str r0, [sp]
b _081DEC98
_081DED9E:
movs r0, 0x2
ldrb r1, [r4, 0x1D]
ands r0, r1
cmp r0, 0
beq _081DEE16
cmp r6, 0x3
bgt _081DEDDE
movs r0, 0x8
ldrb r2, [r4, 0x1]
ands r0, r2
cmp r0, 0
beq _081DEDDE
ldr r0, =REG_SOUNDBIAS + 1
ldrb r0, [r0]
cmp r0, 0x3F
bgt _081DEDD0
ldr r0, [r4, 0x20]
adds r0, 0x2
ldr r1, =0x000007fc
b _081DEDDA
.pool
_081DEDD0:
cmp r0, 0x7F
bgt _081DEDDE
ldr r0, [r4, 0x20]
adds r0, 0x1
ldr r1, =0x000007fe
_081DEDDA:
ands r0, r1
str r0, [r4, 0x20]
_081DEDDE:
cmp r6, 0x4
beq _081DEDF0
ldr r0, [r4, 0x20]
ldr r1, [sp, 0x10]
strb r0, [r1]
b _081DEDFE
.pool
_081DEDF0:
ldr r2, [sp, 0x10]
ldrb r0, [r2]
movs r1, 0x8
ands r1, r0
ldr r0, [r4, 0x20]
orrs r0, r1
strb r0, [r2]
_081DEDFE:
movs r0, 0xC0
ldrb r1, [r4, 0x1A]
ands r0, r1
adds r1, r4, 0
adds r1, 0x21
ldrb r1, [r1]
adds r0, r1, r0
strb r0, [r4, 0x1A]
movs r2, 0xFF
ands r0, r2
ldr r1, [sp, 0x14]
strb r0, [r1]
_081DEE16:
movs r0, 0x1
ldrb r2, [r4, 0x1D]
ands r0, r2
cmp r0, 0
beq _081DEE9C
ldr r1, =REG_NR51
ldrb r0, [r1]
ldrb r2, [r4, 0x1C]
bics r0, r2
ldrb r2, [r4, 0x1B]
orrs r0, r2
strb r0, [r1]
cmp r6, 0x3
bne _081DEE68
ldr r0, =gCgb3Vol
ldrb r1, [r4, 0x9]
adds r0, r1, r0
ldrb r0, [r0]
ldr r2, [sp, 0xC]
strb r0, [r2]
movs r1, 0x80
adds r0, r1, 0
ldrb r2, [r4, 0x1A]
ands r0, r2
cmp r0, 0
beq _081DEE9C
ldr r0, [sp, 0x8]
strb r1, [r0]
ldrb r0, [r4, 0x1A]
ldr r1, [sp, 0x14]
strb r0, [r1]
movs r0, 0x7F
ldrb r2, [r4, 0x1A]
ands r0, r2
strb r0, [r4, 0x1A]
b _081DEE9C
.pool
_081DEE68:
movs r0, 0xF
mov r1, r8
ands r1, r0
mov r8, r1
ldrb r2, [r4, 0x9]
lsls r0, r2, 4
add r0, r8
ldr r1, [sp, 0xC]
strb r0, [r1]
movs r2, 0x80
ldrb r0, [r4, 0x1A]
orrs r0, r2
ldr r1, [sp, 0x14]
strb r0, [r1]
cmp r6, 0x1
bne _081DEE9C
ldr r0, [sp, 0x8]
ldrb r1, [r0]
movs r0, 0x8
ands r0, r1
cmp r0, 0
bne _081DEE9C
ldrb r0, [r4, 0x1A]
orrs r0, r2
ldr r1, [sp, 0x14]
strb r0, [r1]
_081DEE9C:
movs r0, 0
strb r0, [r4, 0x1D]
_081DEEA0:
mov r6, r10
mov r4, r9
cmp r6, 0x4
bgt _081DEEAA
b _081DEAA0
_081DEEAA:
add sp, 0x1C
pop {r3-r5}
mov r8, r3
mov r9, r4
mov r10, r5
pop {r4-r7}
pop {r0}
bx r0
thumb_func_end CgbSound
.align 2, 0 @ Don't pad with nop.
|
