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Zelda RE + fixes 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4350 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar 2009-09-30 13:49:05 +00:00
parent 4499444a86
commit 1285ba4401
1 changed files with 74 additions and 39 deletions
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113
docs/DSP/DSP_UC_Zelda.txt
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@ -782,7 +782,7 @@ void 01d0_Unk() {
AC0.M++; AC0.M++;
// 01d8 d100 cmpar $ACC1, $AX0.H // 01d8 d100 cmpar $ACC1, $AX0.H
// 01d9 0270 ifns // 01d9 0270 ifge
if (ACC1 - AX0.H >= 0) { if (ACC1 - AX0.H >= 0) {
01da 8100 clr $ACC0 01da 8100 clr $ACC0
} }
@ -1377,7 +1377,7 @@ void 0243_COMMAND_02() // sync frame
// 038a 185e lrr $AC0.M, @$AR2 // 038a 185e lrr $AC0.M, @$AR2
// 038b 0272 ifg // 038b 0272 ifg
// 038c 7400 incm $AC0.M // 038c 7400 incm $AC0.M
// 038d 0271 ifs // 038d 0271 ifl
// 038e 7800 decm $AC0.M // 038e 7800 decm $AC0.M
// 038f 1a5e srr @$AR2, $AC0.M // 038f 1a5e srr @$AR2, $AC0.M
if ($ACC1 < $AX0.H) { if ($ACC1 < $AX0.H) {
@ -2512,7 +2512,7 @@ void 06f9_Unk_PrepareSampleDecode()
0703 04fe addis $ACC0, #0xfe 0703 04fe addis $ACC0, #0xfe
0704 1f1e mrr $AX0.L, $AC0.M 0704 1f1e mrr $AX0.L, $AC0.M
0705 191e lrri $AC0.M, @$AR0 0705 191e lrri $AC0.M, @$AR0
// 0706 0291 070c js 0x070c // 0706 0291 070c jl 0x070c
if ( .. ?? ..) { if ( .. ?? ..) {
0708 191a lrri $AX0.H, @$AR0 0708 191a lrri $AX0.H, @$AR0
// Copy-loop // Copy-loop
@ -2543,27 +2543,32 @@ void 0717_InitializeDecoderState() // 0xff88 to 0xff8B
// 0717 00de 04fb lr $AC0.M, @0x04fb // 0717 00de 04fb lr $AC0.M, @0x04fb
// 0719 7400 incm $AC0.M // 0719 7400 incm $AC0.M
// 071a 00fe 04fb sr @0x04fb, $AC0.M // 071a 00fe 04fb sr @0x04fb, $AC0.M
(*0x4fb)++; (*0x4fb)++;
// 071c 8100 clr $ACC0 // 071c 8100 clr $ACC0
// 071d 2e32 srs @0x0032, $AC0.M // 071d 2e32 srs @0x0032, $AC0.M
// 071e 2e66 srs @0x0066, $AC0.M // 071e 2e66 srs @0x0066, $AC0.M
// 071f 2e67 srs @0x0067, $AC0.M // 071f 2e67 srs @0x0067, $AC0.M
CurBlock = 0
YN1 = 0 PB.CurBlock = 0
YN2 = 0 PB.YN1 = 0
PB.YN2 = 0
// 0720 268a lrs $AC0.M, @0xff8a // 0720 268a lrs $AC0.M, @0xff8a
// 0721 248b lrs $AC0.L, @0xff8b // 0721 248b lrs $AC0.L, @0xff8b
// 0722 2e3a srs @0x003a, $AC0.M // 0722 2e3a srs @0x003a, $AC0.M
// 0723 2c3b srs @0x003b, $AC0.L // 0723 2c3b srs @0x003b, $AC0.L
RemLength = Length
PB.RemLength = PB.Length
// 0724 268c lrs $AC0.M, @0xff8c // 0724 268c lrs $AC0.M, @0xff8c
// 0725 248d lrs $AC0.L, @0xff8d // 0725 248d lrs $AC0.L, @0xff8d
// 0726 2e38 srs @0x0038, $AC0.M // 0726 2e38 srs @0x0038, $AC0.M
// 0727 2c39 srs @0x0039, $AC0.L // 0727 2c39 srs @0x0039, $AC0.L
CurAddr = StartAddr
PB.CurAddr = PB.StartAddr
// 0728 02df ret // 0728 02df ret
} }
@ -2572,33 +2577,39 @@ void 0729_UpdateDecoderState()
// 0729 8100 clr $ACC0 // 0729 8100 clr $ACC0
// 072a 2689 lrs $AC0.M, @0xff89 // 072a 2689 lrs $AC0.M, @0xff89
// 072b 0240 000f andi $AC0.M, #0x000f // 072b 0240 000f andi $AC0.M, #0x000f
ACC0 = 0;
AC0.M = *0x0489 & 0xF; $AC0.M = PB.LoopStartPos & 0xf;
// 072d 1f5e mrr $AX0.H, $AC0.M // 072d 1f5e mrr $AX0.H, $AC0.M
// 072e 8100 clr $ACC0 // 072e 8100 clr $ACC0
// 072f 0e10 lris $AC0.M, #0x10 // 072f 0e10 lris $AC0.M, #0x10
// 0730 5400 subr $ACC0, $AX0.H // 0730 5400 subr $ACC0, $AX0.H
AC0.M = 16 - AC0.M
$AC0.M = 0x10 - (PB.LoopStartPos & 0xf)
// 0731 2e32 srs @0x0032, $AC0.M // 0731 2e32 srs @0x0032, $AC0.M
*0x0432 = AC0.M
PB.CurBlock = 0x10 - (PB.LoopStartPos & 0xf);
// 0732 268a lrs $AC0.M, @0xff8a // 0732 268a lrs $AC0.M, @0xff8a
// 0733 248b lrs $AC0.L, @0xff8b // 0733 248b lrs $AC0.L, @0xff8b
// 0734 2288 lrs $AX0.H, @0xff88 // 0734 2288 lrs $AX0.H, @0xff88
// 0735 2089 lrs $AX0.L, @0xff89 // 0735 2089 lrs $AX0.L, @0xff89
// 0736 5800 subax $ACC0, $AX0 // 0736 5800 subax $ACC0, $AX0
ACC0 = Length[8a,8b] - LoopStartPos[88,89];
$ACC0 = PB.Length[8a,8b] - PB.LoopStartPos[88,89];
// 0737 0a00 lris $AX0.H, #0x00 // 0737 0a00 lris $AX0.H, #0x00
// 0738 2032 lrs $AX0.L, @0x0032 // 0738 2032 lrs $AX0.L, @0x0032
// 0739 5800 subax $ACC0, $AX0 // 0739 5800 subax $ACC0, $AX0
ACC0 -= CurBlock? (*0x0432);
$ACC0 -= PB.CurBlock (*0x0432);
// 073a 2e3a srs @0x003a, $AC0.M // 073a 2e3a srs @0x003a, $AC0.M
// 073b 2c3b srs @0x003b, $AC0.L // 073b 2c3b srs @0x003b, $AC0.L
[3a, 3b] = ACC0 // = [8a, 8b] - [88, 89] - [32]
PB.RemLength[3a,3b] = PB.Length[8a,8b] - (PB.LoopStartPos[88,89] + PB.CurBlock[32]);
// 073c 02df ret // 073c 02df ret
} }
@ -2640,7 +2651,7 @@ void 073d_DECODE_0x05_0x09(_dest($AR3), _numberOfSamples($AC1.M), _len(AX1)) /
0754 8100 clr $ACC0 0754 8100 clr $ACC0
0755 263b lrs $AC0.M, @0x003b 0755 263b lrs $AC0.M, @0x003b
0756 8200 cmp 0756 8200 cmp
0757 0291 07ab js 0x07ab 0757 0291 07ab jl 0x07ab
if () if ()
{ {
// compute how many samples we have to copy // compute how many samples we have to copy
@ -2658,7 +2669,7 @@ void 073d_DECODE_0x05_0x09(_dest($AR3), _numberOfSamples($AC1.M), _len(AX1)) /
0763 263a lrs $AC0.M, @0x003a 0763 263a lrs $AC0.M, @0x003a
0764 243b lrs $AC0.L, @0x003b 0764 243b lrs $AC0.L, @0x003b
0765 5800 subax $ACC0, $AX0 0765 5800 subax $ACC0, $AX0
0766 0290 0771 jns 0x0771 0766 0290 0771 jge 0x0771
if () if ()
{ {
0768 8100 clr $ACC0 0768 8100 clr $ACC0
@ -2760,35 +2771,57 @@ void 073d_DECODE_0x05_0x09(_dest($AR3), _numberOfSamples($AC1.M), _len(AX1)) /
07be 0295 07e3 jz 0x07e3 // stop rendering, see below 7e3 07be 0295 07e3 jz 0x07e3 // stop rendering, see below 7e3
// Repeat. // Repeat.
07c0 2380 lrs $AX1.H, @0xff80 // 07c0 2380 lrs $AX1.H, @0xff80
// 07c1 2688 lrs $AC0.M, @0xff88 // 07c1 2688 lrs $AC0.M, @0xff88
// 07c2 2489 lrs $AC0.L, @0xff89 // 07c2 2489 lrs $AC0.L, @0xff89
// 07c3 1408 lsl $ACC0, #8 // 07c3 1408 lsl $ACC0, #8
// 07c4 14f4 asr $ACC0, #-12 // 07c4 14f4 asr $ACC0, #-12
$AC0 = PB.LoopStartPos >> 4
07c5 2380 lrs $AX1.H, @0xff80 $ACC0 = PB.LoopStartPos >> 4
07c6 8d00 set15
07c7 c810 mulc'mv $AC0.M, $AX1.H : $AX0.L, $AC0.L //07c5 2380 lrs $AX1.H, @0xff80
07c8 ae00 mulxmv $AX0.L, $AX1.H, $ACC0 //07c6 8d00 set15
07c9 8c00 clr15 //07c7 c810 mulc'mv $AC0.M, $AX1.H : $AX0.L, $AC0.L
07ca f000 lsl16 $ACC0
07cb 4e00 addp $ACC0 $AX0.l = (PB.LoopStartPos >> 4) & 0xffff;
// The above is a 32 bit mul - loopstart * format prod = (PB.LoopStartPos >> 4 & 0xffff0000)*PB.Format;
//07c8 ae00 mulxmv $AX0.L, $AX1.H, $ACC0
$ACC0 = (PB.LoopStartPos >> 4 & 0xffff0000)*PB.Format;
prod = ((PB.LoopStartPos >> 4) & 0xffff)*PB.Format;
//07c9 8c00 clr15
//07ca f000 lsl16 $ACC0
$ACC0 = (((PB.LoopStartPos >> 4) & 0xffff0000)*PB.Format)<<16
//07cb 4e00 addp $ACC0
$ACC0 = ((((PB.LoopStartPos >> 4) & 0xffff0000)*PB.Format)<<16)+
(((PB.LoopStartPos >> 4) & 0xffff)*PB.Format)
// 07cc 238c lrs $AX1.H, @0xff8c // 07cc 238c lrs $AX1.H, @0xff8c
// 07cd 218d lrs $AX1.L, @0xff8d // 07cd 218d lrs $AX1.L, @0xff8d
// 07ce 4a00 addax $ACC0, $AX1 // 07ce 4a00 addax $ACC0, $AX1
$ACC0 = (((((PB.LoopStartPos >> 4) & 0xffff0000)*PB.Format)<<16)+
(((PB.LoopStartPos >> 4) & 0xffff)*PB.Format))+PB.StartAddr
// 07cf 2e38 srs @0x0038, $AC0.M // 07cf 2e38 srs @0x0038, $AC0.M
// 07d0 2c39 srs @0x0039, $AC0.L // 07d0 2c39 srs @0x0039, $AC0.L
So, CurAddr = Loopstart * format + Startaddr
PB.CurAddr = $ACC0 & 0xffffffff;
// 07d1 2682 lrs $AC0.M, @0xff82 // 07d1 2682 lrs $AC0.M, @0xff82
// 07d2 2e67 srs @0x0067, $AC0.M // 07d2 2e67 srs @0x0067, $AC0.M
// 07d3 2683 lrs $AC0.M, @0xff83 // 07d3 2683 lrs $AC0.M, @0xff83
// 07d4 2e66 srs @0x0066, $AC0.M // 07d4 2e66 srs @0x0066, $AC0.M
Unconditionally (!) copy YN1 and YN2 from loopyn2 and loopyn1 //Unconditionally (!) copy YN1 and YN2 from loopyn2 and loopyn1
PB.YN1 = PB.LoopYN1;
PB.YN2 = PB.LoopYN2;
07d5 00e3 0363 sr @0x0363, $AR3 07d5 00e3 0363 sr @0x0363, $AR3
07d7 0083 0458 lri $AR3, #0x0458 07d7 0083 0458 lri $AR3, #0x0458
07d9 8100 clr $ACC0 07d9 8100 clr $ACC0
@ -2803,8 +2836,10 @@ void 073d_DECODE_0x05_0x09(_dest($AR3), _numberOfSamples($AC1.M), _len(AX1)) /
// No repeat // No repeat
// stop rendering of this PB (0x401 == 1) and clear the output buffer with zeroes... // stop rendering of this PB (0x401 == 1) and clear the output buffer with zeroes...
07e3 0e01 lris $AC0.M, #0x01 //07e3 0e01 lris $AC0.M, #0x01
07e4 2e01 srs @0x0001, $AC0.M //07e4 2e01 srs @0x0001, $AC0.M
PB.KeyOff = 1;
early_out: early_out:
// Zero the buffer. // Zero the buffer.
@ -2995,7 +3030,7 @@ void 07eb_AFCDecoder(_numberOfSample(AC0.M))
0871 04fe addis $ACC0, #0xfe 0871 04fe addis $ACC0, #0xfe
0872 1f1e mrr $AX0.L, $AC0.M 0872 1f1e mrr $AX0.L, $AC0.M
0873 191e lrri $AC0.M, @$AR0 0873 191e lrri $AC0.M, @$AR0
0874 0291 087a js 0x087a 0874 0291 087a jl 0x087a
0876 191a lrri $AX0.H, @$AR0 0876 191a lrri $AX0.H, @$AR0
0877 0058 loop $AX0.L 0877 0058 loop $AX0.L
0878 64a0 movr'ls $ACC0, $AX0.H : $AX0.H, $AC0.M 0878 64a0 movr'ls $ACC0, $AX0.H : $AX0.H, $AC0.M
@ -3436,7 +3471,7 @@ label09ab:
if (*(0x043a)) { if (*(0x043a)) {
09cc 263b lrs $AC0.M, @0x003b 09cc 263b lrs $AC0.M, @0x003b
09cd 5c00 sub $ACC0, $ACC1 09cd 5c00 sub $ACC0, $ACC1
09ce 0290 09d9 jns 0x09d9 09ce 0290 09d9 jge 0x09d9
09d0 223b lrs $AX0.H, @0x003b 09d0 223b lrs $AX0.H, @0x003b
// 09d1 02bf 0a0a call 0x0a0a // Load more samples. // 09d1 02bf 0a0a call 0x0a0a // Load more samples.
@ -3614,7 +3649,7 @@ void Decoder0x10() {
if (!*0x043a) { if (!*0x043a) {
0a51 263b lrs $AC0.M, @0x003b 0a51 263b lrs $AC0.M, @0x003b
0a52 5c00 sub $ACC0, $ACC1 0a52 5c00 sub $ACC0, $ACC1
0a53 0290 0a5e jns 0x0a5e 0a53 0290 0a5e jge 0x0a5e
if (0x43b <= ACC1) { // not sure, but .. not enough samples? if (0x43b <= ACC1) { // not sure, but .. not enough samples?
0a55 223b lrs $AX0.H, @0x003b 0a55 223b lrs $AX0.H, @0x003b
// 0a56 02bf 0a91 call 0x0a91 // Read more samples // 0a56 02bf 0a91 call 0x0a91 // Read more samples
@ -3841,7 +3876,7 @@ void 0ab3_Decoder0x21Core(AC1.M, AR3) {
// 0ad9 5000 subr $ACC0, $AX0.L // 0ad9 5000 subr $ACC0, $AX0.L
ACC0 -= AX0.L; ACC0 -= AX0.L;
0ada 0290 0af0 jns 0x0af0 0ada 0290 0af0 jge 0x0af0
if (ACC0 < 0) { if (ACC0 < 0) {
// 0adc 00c0 0436 lr $AR0, @0x0436 // 0adc 00c0 0436 lr $AR0, @0x0436
// 0ade 02bf 0af6 call 0x0af6 // 0ade 02bf 0af6 call 0x0af6
@ -4294,11 +4329,11 @@ void 0c1c_ComputeReverbFrom0a60To0a00()
0c27 5d00 sub $ACC1, $ACC0 0c27 5d00 sub $ACC1, $ACC0
0c28 0e50 lris $AC0.M, #0x50 0c28 0e50 lris $AC0.M, #0x50
0c29 0750 cmpis $ACC1, #0x50 0c29 0750 cmpis $ACC1, #0x50
0c2a 0270 ifns 0c2a 0270 ifge
0c2b 5d00 sub $ACC1, $ACC0 0c2b 5d00 sub $ACC1, $ACC0
0c2c 00da 03f2 lr $AX0.H, @0x03f2 0c2c 00da 03f2 lr $AX0.H, @0x03f2
0c2e 8600 tstaxh $AX0.H 0c2e 8600 tstaxh $AX0.H
0c2f 0290 0c4d jns 0x0c4d 0c2f 0290 0c4d jge 0x0c4d
0c31 00de 03f3 lr $AC0.M, @0x03f3 0c31 00de 03f3 lr $AC0.M, @0x03f3
0c33 5c00 sub $ACC0, $ACC1 0c33 5c00 sub $ACC0, $ACC1
0c34 0293 0c38 jle 0x0c38 0c34 0293 0c38 jle 0x0c38
@ -4779,7 +4814,7 @@ void 0d7f_ResampleAudioData(_src($AR0), _dest($AR1), param(AX1.L) = 0, _option??
// $ACC0 here still contains ratio << 12; // $ACC0 here still contains ratio << 12;
0d9b 0604 cmpis $ACC0, #0x04 0d9b 0604 cmpis $ACC0, #0x04
// 0d9c 0290 0df3 jns 0x0df3 // subroutine // 0d9c 0290 0df3 jge 0x0df3 // subroutine
// If ratio too low, don't bother resampling? // If ratio too low, don't bother resampling?
GOTONS JustCopyWithoutResampling; GOTONS JustCopyWithoutResampling;