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DSPHLE: Some code reorg, now looks more like the ucode. DSPLLE: Rename a file.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3763 8ced0084-cf51-0410-be5f-012b33b47a6e
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hrydgard
2009-07-12 12:22:39 +00:00
parent b363b2ddc8
commit 304b34a451
10 changed files with 166 additions and 156 deletions
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11
docs/DSP/DSP_UC_Zelda.txt
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@ -3470,8 +3470,8 @@ void Decoder0x10() {
// 0a1f 8c00 clr15
// Compute how much data we need to read, to get 0x50 samples after resampling.
// AC0.L is cursamplefrace, AX0.L is ratio.
$ACC0 = PB.CurrentSampleFrac + 0x50 * PB.Ratio;
// AC0.L is cursamplefrac, AX0.L is ratio.
$ACC0 = (PB.CurrentSampleFrac + 0x50 * PB.Ratio) << 4;
0a20 1ffe mrr $AC1.M, $AC0.M
0a21 0083 0580 lri $AR3, #0x0580
@ -4661,8 +4661,7 @@ void 0d7f_ResampleAudioData(_src($AR0), _dest($AR1), param(AX1.L) = 0, _option??
$AR0 = $AR0 - 4;
$AR2 = $AR0;
// 0x043c in the PBs apparently is a pointer, INTO the PB itself - where it
// has stored the data from the last frame.
// 0x043c to 0x043f is storage for old sample data.
0d86 0083 043c lri $AR3, #0x043c
// Pipelined tiny memcpy - first four are loads, last four are stores. middle two overlap.
@ -4795,8 +4794,8 @@ back_from_JustCopyWithoutResampling:
0dec 191e lrri $AC0.M, @$AR0
0ded 191f lrri $AC1.M, @$AR0
0dee 80a0 nx'ls : $AX0.H, $AC0.M
0def 64a1 movr'ls $ACC0, $AX0.H : $AX0.H, $AC1.M
0df0 6533 movr's $ACC1, $AX0.H : @$AR3, $AC0.M
0def 64a1 movr'ls $AC0.M, $AX0.H : $AX0.H, $AC1.M
0df0 6533 movr's $AC1.M, $AX0.H : @$AR3, $AC0.M
0df1 1b7f srri @$AR3, $AC1.M
// 0df2 02df ret
return;