mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-14 13:27:45 -07:00
zelda disasm: minor commenting/formatting
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3518 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
parent
aecaf271f1
commit
eef35f9537
@ -1,7 +1,7 @@
|
||||
/* ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
/* ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
All code is now wrapped in void Function() {} - the upcoming new DSP LLE debugger
|
||||
All code is now wrapped in void Function() {} - the new DSP LLE debugger
|
||||
can parse this file and auto read symbols using those.
|
||||
|
||||
BIG Questions:
|
||||
@ -10,6 +10,9 @@ BIG Questions:
|
||||
- What does 00eb_Unk_BufferMultWithDest??
|
||||
- Why is a PB-Transfer from RAM to DMEM 0xC0 shorts long but DMEM to RAM just 0x80
|
||||
|
||||
DSP functionality to test:
|
||||
- CR
|
||||
- Interrupts (7)
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// */
|
||||
//
|
||||
@ -171,8 +174,8 @@ There's definitely a bunch of sample data stored in each PB but I don't know exa
|
||||
|
||||
// reset vector
|
||||
|
||||
void 0012_ResetVector()
|
||||
{
|
||||
void 0012_ResetVector()
|
||||
{
|
||||
// 0012 1205 sbclr #0x05
|
||||
|
||||
// 0013 02bf 0057 call 0x0057
|
||||
@ -515,7 +518,7 @@ void 00eb_Unk_BufferMultWithDest(_Src=($AR0), _Dest($AR3), _size($AC1.M), _facto
|
||||
|
||||
// Clears the 0d00 and 0d60 buffers, plus a lot of other intermediate buffers.
|
||||
// Also does some other things.
|
||||
void 0102_PrepareFrameBuffers()
|
||||
void 0102_PrepareFrameBuffers()
|
||||
{
|
||||
// 0102 8100 clr $ACC0
|
||||
// 0103 8900 clr $ACC1
|
||||
@ -833,7 +836,7 @@ void 022a_Copy_XXX_From_RAM_To_0x03a8()
|
||||
|
||||
// 0232 02df ret
|
||||
}
|
||||
|
||||
|
||||
|
||||
void 0233_Increase_32BitAddress_InMem(_MemAddr(AR0), _Bytes(AX0.L))
|
||||
{
|
||||
@ -1465,7 +1468,9 @@ void 041d_Unk() {
|
||||
0472 193c lrri $AC0.L, @$AR1
|
||||
0473 009f 0400 lri $AC1.M, #0x0400
|
||||
0475 00c0 0345 lr $AR0, @0x0345
|
||||
0477 02bf 0555 call 0x0555
|
||||
// 0477 02bf 0555 call 0x0555 // ReadFromMysteryReg
|
||||
0555_UnknownReadFromMysteryReg(ARAMAddress(ACC0), DestBuffer(AC1.M), Length(AC0.M)) {
|
||||
|
||||
0479 0081 0348 lri $AR1, #0x0348
|
||||
047b 193e lrri $AC0.M, @$AR1
|
||||
047c 193c lrri $AC0.L, @$AR1
|
||||
@ -1532,7 +1537,9 @@ void 04c0_UnknownInit()
|
||||
|
||||
|
||||
void 04d0_Unk() {
|
||||
04d0 02bf 04e1 call 0x04e1
|
||||
// 04d0 02bf 04e1 call 0x04e1
|
||||
04e1_Read0x40WordsFromZeroTo0b00()
|
||||
|
||||
// 04fb is incremented when you reset a voice
|
||||
04d2 00df 04fb lr $AC1.M, @0x04fb
|
||||
04d4 009e 0b00 lri $AC0.M, #0x0b00
|
||||
@ -1550,16 +1557,15 @@ void 04d0_Unk() {
|
||||
04e0 02df ret
|
||||
}
|
||||
|
||||
void 04e1_Strange() {
|
||||
void 04e1_Read0x40WordsFromZeroTo0b00() {
|
||||
04e1 0092 00ff lri $CR, #0x00ff
|
||||
04e3 8100 clr $ACC0
|
||||
04e4 009f 0b00 lri $AC1.M, #0x0b00
|
||||
04e6 0080 0040 lri $AR0, #0x0040
|
||||
04e8 029f 0555 jmp 0x0555
|
||||
GOTO 0555_UnknownReadFromMysteryReg
|
||||
// 04e8 029f 0555 jmp 0x0555
|
||||
GOTO 0555_UnknownReadFromMysteryReg(ARAMAddress(ACC0), DestBuffer(AC1.M), Length(AR0)) {
|
||||
}
|
||||
|
||||
|
||||
void 04ea_Call0573With0b00And0050() {
|
||||
04ea 8100 clr $ACC0
|
||||
04eb 009f 0b00 lri $AC1.M, #0x0b00
|
||||
@ -1570,9 +1576,9 @@ void 04ea_Call0573With0b00And0050() {
|
||||
}
|
||||
|
||||
|
||||
void 04f1_strange() {
|
||||
04f1 02bf 04e1 call 0x04e1
|
||||
04e1_Strange();
|
||||
void 04f1_Read0x40WordsFromZeroTo0b00() {
|
||||
// 04f1 02bf 04e1 call 0x04e1
|
||||
04e1_Read0x40WordsFromZeroTo0b00();
|
||||
}
|
||||
|
||||
void 04f3_strange() {
|
||||
@ -1679,7 +1685,7 @@ void 0536_WaitForDMATransfer()
|
||||
}
|
||||
|
||||
// Can't find any calls to this one.
|
||||
void 053c_Unk() {
|
||||
void 053c_Unk_Unused() {
|
||||
053c 193e lrri $AC0.M, @$AR1
|
||||
053d 193c lrri $AC0.L, @$AR1
|
||||
053e 00ff ffcd sr @DSPA, $AC1.M
|
||||
@ -1706,9 +1712,9 @@ void 0553_UnknownReadFromMysteryReg_Unused() {
|
||||
// continues...
|
||||
|
||||
void 0555_UnknownReadFromMysteryReg(ARAMAddress(ACC0), DestBuffer(AC1.M), Length(AC0.M)) {
|
||||
// 0555 0240 7fff andi $AC0.M, #0x7fff // Don't know the purpose of this and
|
||||
// 0555 0240 7fff andi $AC0.M, #0x7fff
|
||||
// 0557 02bf 0561 call 0x0561
|
||||
0561_SetupAcceleratorForMysteryRead(ACC0, AR0, AC1.M);
|
||||
0561_SetupAcceleratorForMysteryAccess(ACC0 & 0x7FFFFFFF, AR0, AC1.M);
|
||||
// After that, length is now in AX0.H
|
||||
|
||||
// 0559 007a 055f bloop $AX0.H, 0x055f
|
||||
@ -1723,7 +1729,7 @@ void 0555_UnknownReadFromMysteryReg(ARAMAddress(ACC0), DestBuffer(AC1.M), Length
|
||||
// 0560 02df ret
|
||||
}
|
||||
|
||||
void 0561_SetupAcceleratorForMysteryRead(ARAMAddress(ACC0), DestBuffer(AC1.M), Length(AR0)) {
|
||||
void 0561_SetupAcceleratorForMysteryAccess(ARAMAddress(ACC0), DestBuffer(AC1.M), Length(AR0)) {
|
||||
0561 1c3f mrr $AR1, $AC1.M
|
||||
0562 0f0a lris $AC1.M, #0x0a
|
||||
0563 2fd1 srs @SampleFormat, $AC1.M
|
||||
@ -1748,9 +1754,10 @@ void 0571_Mystery_Write_FirstLoadTwoRegs_Unused() {
|
||||
0571 193e lrri $AC0.M, @$AR1
|
||||
0572 193c lrri $AC0.L, @$AR1
|
||||
|
||||
void 0573_Mystery_Write(InBuffer($AR1), _COUNT(AX0.H)) {
|
||||
void 0573_Mystery_Write(InBuffer($AR1), SourceBuffer(AC1.M), _COUNT(AX0.H)) {
|
||||
0573 0090 0001 lri $AC0.H, #0x0001
|
||||
0575 02bf 0561 call 0x0561
|
||||
// 0575 02bf 0561 call 0x0561
|
||||
0561_SetupAcceleratorForMysteryAccess(ACC0, AR0, AC1.M);
|
||||
0577 007a 057e bloop $AX0.H, 0x057e
|
||||
0579 193e lrri $AC0.M, @$AR1
|
||||
057a 2ed3 srs @Unk Zelda, $AC0.M
|
||||
@ -1762,7 +1769,7 @@ void 0573_Mystery_Write(InBuffer($AR1), _COUNT(AX0.H)) {
|
||||
}
|
||||
|
||||
|
||||
void 0095_COMMAND_04()
|
||||
void 0095_COMMAND_04()
|
||||
{
|
||||
// commando looks buggy...
|
||||
// it copies data to the switch casement data address... sounds like BS
|
||||
@ -1795,7 +1802,7 @@ void 0573_Mystery_Write(InBuffer($AR1), _COUNT(AX0.H)) {
|
||||
}
|
||||
|
||||
|
||||
void 05A4_ResetAccelerator()
|
||||
void 05A4_ResetAccelerator()
|
||||
{
|
||||
05a4 0092 00ff lri $CR, #0x00ff
|
||||
05a6 009e ffff lri $AC0.M, #0xffff
|
||||
@ -1807,7 +1814,7 @@ void 0573_Mystery_Write(InBuffer($AR1), _COUNT(AX0.H)) {
|
||||
}
|
||||
|
||||
|
||||
void 05ad_SetupAccelerator(_accleratorH(AC0.M), _accleratorL(AC0.L), _format(AC1.M))
|
||||
void 05ad_SetupAccelerator(_accleratorH(AC0.M), _accleratorL(AC0.L), _format(AC1.M))
|
||||
{
|
||||
05ad 00ff ffd1 sr @SampleFormat, $AC1.M
|
||||
05af 0340 0003 andi $AC1.M, #0x0003
|
||||
@ -1818,7 +1825,7 @@ void 0573_Mystery_Write(InBuffer($AR1), _COUNT(AX0.H)) {
|
||||
05b7 02df ret
|
||||
}
|
||||
|
||||
void 05b8_NewMail()
|
||||
void 05b8_NewMail()
|
||||
{
|
||||
# 05b8 1205 sbclr #0x05
|
||||
# 05b9 8e00 set16
|
||||
@ -1912,7 +1919,7 @@ EndOfMailException:
|
||||
05ef 02ff rti
|
||||
}
|
||||
|
||||
void 05f0_HaltUCode()
|
||||
void 05f0_HaltUCode()
|
||||
{
|
||||
05f0 009a 0002 lri $AX0.H, #0x0002
|
||||
05f2 00fa 03a3 sr @0x03a3, $AX0.H
|
||||
@ -2052,7 +2059,7 @@ void 065e_WaitForCPUMailBox_AC0()
|
||||
0667 029c 0664 jlnz 0x0664
|
||||
0669 02df ret
|
||||
|
||||
void SendMB_DCD1(_low)
|
||||
void SendMB_DCD1(_low)
|
||||
{
|
||||
// 066a 02bf 0682 call 0x0682
|
||||
WaitForEmptyDSPMailBox_ovAC1();
|
||||
@ -2096,7 +2103,7 @@ void SendMB_F355(_low)
|
||||
0681 02df ret
|
||||
|
||||
|
||||
void WaitForEmptyDSPMailBox_ovAC1.M()
|
||||
void WaitForEmptyDSPMailBox_ovAC1.M()
|
||||
{
|
||||
// 0682 27fc lrs $AC1.M, @DMBH
|
||||
// 0683 03c0 8000 andcf $AC1.M, #0x8000
|
||||
@ -2173,7 +2180,7 @@ void 0688_InitCommandBlock()
|
||||
}
|
||||
|
||||
|
||||
void 06c5_CopyCommandBlock()
|
||||
void 06c5_CopyCommandBlock()
|
||||
{
|
||||
// 06c5 00c0 0351 lr $AR0, @0x0351
|
||||
short srcCommandQueueAddr = *0x0351
|
||||
@ -2278,7 +2285,7 @@ void 0688_InitCommandBlock()
|
||||
}
|
||||
|
||||
|
||||
void 06f9_Unk_PrepareSampleDecode()
|
||||
void 06f9_Unk_PrepareSampleDecode()
|
||||
{
|
||||
06f9 8100 clr $ACC0
|
||||
06fa 0e10 lris $AC0.M, #0x10
|
||||
@ -2315,7 +2322,7 @@ void 0688_InitCommandBlock()
|
||||
}
|
||||
|
||||
// Here, CR is 0x04 and thus these are not hw regs.
|
||||
void 0717_InitializeDecoderState() // 0xff88 to 0xff8B
|
||||
void 0717_InitializeDecoderState() // 0xff88 to 0xff8B
|
||||
{
|
||||
// 0717 00de 04fb lr $AC0.M, @0x04fb
|
||||
// 0719 7400 incm $AC0.M
|
||||
@ -2528,8 +2535,6 @@ void 073d_DECODE_0x05_0x09(_dest($AR3), _numberOfSamples($AC1.M), _len(AX1)) /
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
07c0 2380 lrs $AX1.H, @0xff80
|
||||
07c1 2688 lrs $AC0.M, @0xff88
|
||||
07c2 2489 lrs $AC0.L, @0xff89
|
||||
@ -2579,175 +2584,169 @@ void 073d_DECODE_0x05_0x09(_dest($AR3), _numberOfSamples($AC1.M), _len(AX1)) /
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void 07eb_AFCDecoder(_numberOfSample(AC0.M))
|
||||
{
|
||||
// 07eb 00ff 0360 sr @0x0360, $AC1.M
|
||||
// 07ed 00fe 0361 sr @0x0361, $AC0.M
|
||||
// 07ef 2638 lrs $AC0.M, @0x0038
|
||||
// 07f0 2439 lrs $AC0.L, @0x0039
|
||||
// 07f1 0f05 lris $AC1.M, #0x05
|
||||
// 07f2 02bf 05ad call 0x05ad
|
||||
05ad_SetupAccelerator(AC0.M, AC0.L, AC1.M)
|
||||
|
||||
|
||||
// 07f4 2638 lrs $AC0.M, @0x0038
|
||||
// 07f5 2439 lrs $AC0.L, @0x0039
|
||||
// 07f6 8900 clr $ACC1
|
||||
// 07f7 00df 0361 lr $AC1.M, @0x0361
|
||||
// 07f9 2280 lrs $AX0.H, @0xff80
|
||||
// 07fa d000 mulc $AC1.M, $AX0.H
|
||||
// 07fb 6f00 movp $ACC1
|
||||
// 07fc 4c00 add $ACC0, $AC1.L
|
||||
// 07fd 2e38 srs @0x0038, $AC0.M
|
||||
// 07fe 2c39 srs @0x0039, $AC0.L
|
||||
//inrease sample offset in ARAM
|
||||
AC0 = (*0x0038 << 16) | *0x0039
|
||||
AC1 = _numberOfSample * *0x0480 // bytes per sample
|
||||
*0x0038 = AC0.M
|
||||
*0x0039 = AC0.L
|
||||
|
||||
|
||||
// 07ff 8100 clr $ACC0
|
||||
// 0800 00de 0361 lr $AC0.M, @0x0361
|
||||
//0802 007e 086b bloop $AC0.M, 0x086b
|
||||
for (int i=0; i<_numberOfSample; i++)
|
||||
{
|
||||
0804 0080 ffd3 lri $AR0, #0xffd3
|
||||
0806 0084 0000 lri $IX0, #0x0000
|
||||
0808 199e lrrn $AC0.M, @$AR0
|
||||
0809 8900 clr $ACC1
|
||||
080a 1ffe mrr $AC1.M, $AC0.M
|
||||
080b 1401 lsl $ACC0, #1
|
||||
080c 0240 001e andi $AC0.M, #0x001e
|
||||
080e 0200 0300 addi $AC0.M, #0x0300 // AFC COEF Table
|
||||
0810 1c3e mrr $AR1, $AC0.M
|
||||
0811 157c lsr $ACC1, #-4
|
||||
0812 0340 000f andi $AC1.M, #0x000f
|
||||
0814 0a11 lris $AX0.H, #0x11
|
||||
0815 5500 subr $ACC1, $AX0.H
|
||||
|
||||
|
||||
// 0816 8100 clr $ACC0
|
||||
// 0817 2680 lrs $AC0.M, @0xff80
|
||||
// 0818 0605 cmpis $ACC0, #0x05
|
||||
// 0819 0295 0832 jz 0x0832
|
||||
if (*0x480 == 0x09)
|
||||
{
|
||||
081b 009a 00f0 lri $AX0.H, #0x00f0
|
||||
081d 0b0f lris $AX1.H, #0x0f
|
||||
081e 0082 0364 lri $AR2, #0x0364
|
||||
0820 1998 lrrn $AX0.L, @$AR0
|
||||
0821 6000 movr $ACC0, $AX0.L
|
||||
|
||||
// Unpack the nibbles
|
||||
0822 1107 0829 bloopi #0x07, 0x0829
|
||||
for (int j=0; j<7; j++)
|
||||
{
|
||||
0824 3400 andr $AC0.M, $AX0.H
|
||||
0825 1408 lsl $ACC0, #8
|
||||
0826 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0827 3644 andr'ln $AC0.M, $AX1.H : $AX0.L, @$AR0
|
||||
0828 140c lsl $ACC0, #12
|
||||
0829 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
}
|
||||
082a 3400 andr $AC0.M, $AX0.H
|
||||
082b 1408 lsl $ACC0, #8
|
||||
082c 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
082d 3600 andr $AC0.M, $AX1.H
|
||||
082e 140c lsl $ACC0, #12
|
||||
082f 1b5e srri @$AR2, $AC0.M
|
||||
0830 029f 0852 jmp 0x0852
|
||||
}
|
||||
else // (*0x480 == 5?)
|
||||
// 07eb 00ff 0360 sr @0x0360, $AC1.M
|
||||
// 07ed 00fe 0361 sr @0x0361, $AC0.M
|
||||
// 07ef 2638 lrs $AC0.M, @0x0038
|
||||
// 07f0 2439 lrs $AC0.L, @0x0039
|
||||
// 07f1 0f05 lris $AC1.M, #0x05
|
||||
// 07f2 02bf 05ad call 0x05ad
|
||||
05ad_SetupAccelerator(AC0.M, AC0.L, AC1.M)
|
||||
|
||||
// 07f4 2638 lrs $AC0.M, @0x0038
|
||||
// 07f5 2439 lrs $AC0.L, @0x0039
|
||||
// 07f6 8900 clr $ACC1
|
||||
// 07f7 00df 0361 lr $AC1.M, @0x0361
|
||||
// 07f9 2280 lrs $AX0.H, @0xff80
|
||||
// 07fa d000 mulc $AC1.M, $AX0.H
|
||||
// 07fb 6f00 movp $ACC1
|
||||
// 07fc 4c00 add $ACC0, $AC1.L
|
||||
// 07fd 2e38 srs @0x0038, $AC0.M
|
||||
// 07fe 2c39 srs @0x0039, $AC0.L
|
||||
//inrease sample offset in ARAM
|
||||
AC0 = (*0x0038 << 16) | *0x0039
|
||||
AC1 = _numberOfSample * *0x0480 // bytes per sample
|
||||
*0x0038 = AC0.M
|
||||
*0x0039 = AC0.L
|
||||
|
||||
|
||||
// 07ff 8100 clr $ACC0
|
||||
// 0800 00de 0361 lr $AC0.M, @0x0361
|
||||
//0802 007e 086b bloop $AC0.M, 0x086b
|
||||
for (int i = 0; i < _numberOfSample; i++)
|
||||
{
|
||||
// Look for the lrrn below to find the ARAM reads.
|
||||
|
||||
// FFD3 seems to be some interface to do plain single byte reads
|
||||
// from ARAM with no ADPCM fanciness or similar.
|
||||
|
||||
// It loads through AR0 loaded with immediate #ffd3, not through
|
||||
// lrs, so CR doesn't affect the effective address.
|
||||
|
||||
0804 0080 ffd3 lri $AR0, #0xffd3
|
||||
0806 0084 0000 lri $IX0, #0x0000
|
||||
0808 199e lrrn $AC0.M, @$AR0
|
||||
0809 8900 clr $ACC1
|
||||
080a 1ffe mrr $AC1.M, $AC0.M
|
||||
080b 1401 lsl $ACC0, #1
|
||||
080c 0240 001e andi $AC0.M, #0x001e
|
||||
080e 0200 0300 addi $AC0.M, #0x0300 // AFC COEF Table
|
||||
0810 1c3e mrr $AR1, $AC0.M
|
||||
0811 157c lsr $ACC1, #-4
|
||||
0812 0340 000f andi $AC1.M, #0x000f
|
||||
0814 0a11 lris $AX0.H, #0x11
|
||||
0815 5500 subr $ACC1, $AX0.H
|
||||
|
||||
// 0816 8100 clr $ACC0
|
||||
// 0817 2680 lrs $AC0.M, @0xff80
|
||||
// 0818 0605 cmpis $ACC0, #0x05
|
||||
// 0819 0295 0832 jz 0x0832
|
||||
if (*0x480 != 0x5) // ( == 0x09)
|
||||
{
|
||||
0832 009a c000 lri $AX0.H, #0xc000
|
||||
0834 0082 0364 lri $AR2, #0x0364
|
||||
0836 1998 lrrn $AX0.L, @$AR0
|
||||
0837 6000 movr $ACC0, $AX0.L
|
||||
|
||||
// Unpack half nibbles (half quality, ~half space)
|
||||
//0838 1103 0845 bloopi #0x03, 0x0845
|
||||
for (j=0; j<3; j++)
|
||||
{
|
||||
083a 1408 lsl $ACC0, #8
|
||||
083b 3400 andr $AC0.M, $AX0.H
|
||||
083c 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
083d 140a lsl $ACC0, #10
|
||||
083e 3400 andr $AC0.M, $AX0.H
|
||||
083f 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0840 140c lsl $ACC0, #12
|
||||
0841 3400 andr $AC0.M, $AX0.H
|
||||
0842 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0843 140e lsl $ACC0, #14
|
||||
0844 3444 andr'ln $AC0.M, $AX0.H : $AX0.L, @$AR0
|
||||
0845 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
}
|
||||
|
||||
0846 1408 lsl $ACC0, #8
|
||||
0847 3400 andr $AC0.M, $AX0.H
|
||||
0848 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0849 140a lsl $ACC0, #10
|
||||
084a 3400 andr $AC0.M, $AX0.H
|
||||
084b 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
084c 140c lsl $ACC0, #12
|
||||
084d 3400 andr $AC0.M, $AX0.H
|
||||
084e 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
084f 140e lsl $ACC0, #14
|
||||
0850 3400 andr $AC0.M, $AX0.H
|
||||
0851 1b5e srri @$AR2, $AC0.M
|
||||
081b 009a 00f0 lri $AX0.H, #0x00f0
|
||||
081d 0b0f lris $AX1.H, #0x0f
|
||||
081e 0082 0364 lri $AR2, #0x0364
|
||||
0820 1998 lrrn $AX0.L, @$AR0
|
||||
0821 6000 movr $ACC0, $AX0.L
|
||||
|
||||
// Unpack 14 of the nibbles..
|
||||
0822 1107 0829 bloopi #0x07, 0x0829
|
||||
for (int j=0; j<7; j++)
|
||||
{
|
||||
0824 3400 andr $AC0.M, $AX0.H
|
||||
0825 1408 lsl $ACC0, #8
|
||||
0826 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
|
||||
0827 3644 andr'ln $AC0.M, $AX1.H : $AX0.L, @$AR0
|
||||
0828 140c lsl $ACC0, #12
|
||||
0829 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
}
|
||||
// Then do the last two ..
|
||||
082a 3400 andr $AC0.M, $AX0.H
|
||||
082b 1408 lsl $ACC0, #8
|
||||
082c 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
082d 3600 andr $AC0.M, $AX1.H
|
||||
082e 140c lsl $ACC0, #12
|
||||
082f 1b5e srri @$AR2, $AC0.M
|
||||
|
||||
0830 029f 0852 jmp 0x0852
|
||||
}
|
||||
else // (*0x480 == 5)
|
||||
{
|
||||
0832 009a c000 lri $AX0.H, #0xc000
|
||||
0834 0082 0364 lri $AR2, #0x0364
|
||||
0836 1998 lrrn $AX0.L, @$AR0
|
||||
0837 6000 movr $ACC0, $AX0.L
|
||||
|
||||
// Unpack half nibbles (half quality, ~half space)
|
||||
//0838 1103 0845 bloopi #0x03, 0x0845
|
||||
for (j=0; j<3; j++)
|
||||
{
|
||||
083a 1408 lsl $ACC0, #8
|
||||
083b 3400 andr $AC0.M, $AX0.H
|
||||
083c 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
083d 140a lsl $ACC0, #10
|
||||
083e 3400 andr $AC0.M, $AX0.H
|
||||
083f 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0840 140c lsl $ACC0, #12
|
||||
0841 3400 andr $AC0.M, $AX0.H
|
||||
0842 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0843 140e lsl $ACC0, #14
|
||||
0844 3444 andr'ln $AC0.M, $AX0.H : $AX0.L, @$AR0
|
||||
0845 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
}
|
||||
|
||||
0846 1408 lsl $ACC0, #8
|
||||
0847 3400 andr $AC0.M, $AX0.H
|
||||
0848 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
0849 140a lsl $ACC0, #10
|
||||
084a 3400 andr $AC0.M, $AX0.H
|
||||
084b 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
084c 140c lsl $ACC0, #12
|
||||
084d 3400 andr $AC0.M, $AX0.H
|
||||
084e 6032 movr's $ACC0, $AX0.L : @$AR2, $AC0.M
|
||||
084f 140e lsl $ACC0, #14
|
||||
0850 3400 andr $AC0.M, $AX0.H
|
||||
0851 1b5e srri @$AR2, $AC0.M
|
||||
}
|
||||
|
||||
0852 8f00 set40
|
||||
0853 1f7f mrr $AX1.H, $AC1.M
|
||||
0854 2066 lrs $AX0.L, @0x0066
|
||||
0855 2767 lrs $AC1.M, @0x0067
|
||||
0856 193a lrri $AX0.H, @$AR1
|
||||
0857 1939 lrri $AX1.L, @$AR1
|
||||
0858 0080 0364 lri $AR0, #0x0364
|
||||
085a 1c80 mrr $IX0, $AR0
|
||||
085b a000 mulx $AX0.L, $AX1.L
|
||||
085c ea70 maddc'l $AC1.M, $AX1.L : $AC0.M, @$AR0
|
||||
|
||||
// ADPCM decoding main loop.
|
||||
085d 1108 0866 bloopi #0x08, 0x0866
|
||||
for (int i=0; i<8; i++)
|
||||
{
|
||||
085f 3a93 orr'sl $AC0.M, $AX1.H : $AC1.M, $AX1.L
|
||||
0860 a478 mulxac'l $AX0.L, $AX1.L, $ACC0 : $AC1.M, @$AR0
|
||||
0861 1485 asl $ACC0, #5
|
||||
0862 e833 maddc's $AC0.M, $AX1.L : @$AR3, $AC0.M
|
||||
0863 3b92 orr'sl $AC1.M, $AX1.H : $AC0.M, $AX1.L
|
||||
0864 a570 mulxac'l $AX0.L, $AX1.L, $ACC1 : $AC0.M, @$AR0
|
||||
0865 1585 asl $ACC1, #5
|
||||
0866 ea3b maddc's $AC1.M, $AX1.L : @$AR3, $AC1.M
|
||||
0852 8f00 set40
|
||||
0853 1f7f mrr $AX1.H, $AC1.M
|
||||
0854 2066 lrs $AX0.L, @0x0066
|
||||
0855 2767 lrs $AC1.M, @0x0067
|
||||
0856 193a lrri $AX0.H, @$AR1
|
||||
0857 1939 lrri $AX1.L, @$AR1
|
||||
0858 0080 0364 lri $AR0, #0x0364
|
||||
085a 1c80 mrr $IX0, $AR0
|
||||
085b a000 mulx $AX0.L, $AX1.L
|
||||
085c ea70 maddc'l $AC1.M, $AX1.L : $AC0.M, @$AR0
|
||||
|
||||
// ADPCM decoding main loop.
|
||||
085d 1108 0866 bloopi #0x08, 0x0866
|
||||
for (int i=0; i<8; i++)
|
||||
{
|
||||
085f 3a93 orr'sl $AC0.M, $AX1.H : $AC1.M, $AX1.L
|
||||
0860 a478 mulxac'l $AX0.L, $AX1.L, $ACC0 : $AC1.M, @$AR0
|
||||
0861 1485 asl $ACC0, #5
|
||||
0862 e833 maddc's $AC0.M, $AX1.L : @$AR3, $AC0.M
|
||||
0863 3b92 orr'sl $AC1.M, $AX1.H : $AC0.M, $AX1.L
|
||||
0864 a570 mulxac'l $AX0.L, $AX1.L, $ACC1 : $AC0.M, @$AR0
|
||||
0865 1585 asl $ACC1, #5
|
||||
0866 ea3b maddc's $AC1.M, $AX1.L : @$AR3, $AC1.M
|
||||
}
|
||||
0867 2f67 srs @0x0067, $AC1.M
|
||||
0868 8e00 set16
|
||||
0869 1ff8 mrr $AC1.M, $AX0.L
|
||||
086a 2f66 srs @0x0066, $AC1.M
|
||||
086b 8900 clr $ACC1
|
||||
0867 2f67 srs @0x0067, $AC1.M
|
||||
0868 8e00 set16
|
||||
0869 1ff8 mrr $AC1.M, $AX0.L
|
||||
086a 2f66 srs @0x0066, $AC1.M
|
||||
086b 8900 clr $ACC1
|
||||
}
|
||||
086c 00df 0360 lr $AC1.M, @0x0360
|
||||
086e 02df ret
|
||||
086c 00df 0360 lr $AC1.M, @0x0360
|
||||
086e 02df ret
|
||||
}
|
||||
|
||||
|
||||
@ -2793,7 +2792,7 @@ void 07eb_AFCDecoder(_numberOfSample(AC0.M))
|
||||
|
||||
|
||||
//////////////////////////////////////////// DEFAULT DECODER
|
||||
void 087c_DefaultDecoder()
|
||||
void 087c_DefaultDecoder()
|
||||
{
|
||||
087c 8100 clr $ACC0
|
||||
087d 1f5e mrr $AX0.H, $AC0.M
|
||||
@ -3154,6 +3153,7 @@ void 09f9_UsedBy08Decoder() {
|
||||
}
|
||||
|
||||
void 0a0a_UsedBy08Decoder() {
|
||||
// Read from ARAM.
|
||||
0a0a 0080 ffd3 lri $AR0, #0xffd3
|
||||
0a0c 0084 0000 lri $IX0, #0x0000
|
||||
0a0e 007a 0a12 bloop $AX0.H, 0x0a12
|
||||
@ -3783,6 +3783,9 @@ void 0c1c_Unk()
|
||||
0c59 008b 009f lri $WR3, #0x009f // 0xa0 wrap
|
||||
0c5b 0080 0a00 lri $AR0, #0x0a00
|
||||
0c5d 0900 lris $AX1.L, #0x00
|
||||
|
||||
// This is the loop that used to go crazy in the LLE emulation
|
||||
// before we fixed addarn to obey the wrapping register.
|
||||
|
||||
// 0c5e 1150 0c65 bloopi #0x50, 0x0c65
|
||||
for (int i = 0; i < 0x50; i++) {
|
||||
@ -3804,7 +3807,7 @@ void 0c1c_Unk()
|
||||
}
|
||||
|
||||
|
||||
void 0c71_Unk()
|
||||
void 0c71_Unk()
|
||||
{
|
||||
// 0c71 0f50 lris $AC1.M, #0x50
|
||||
// 0c72 0080 0a00 lri $AR0, #0x0a00
|
||||
|
||||
Loading…
Reference in New Issue
Block a user