diff options
| author | PCSX* teams | 2010-11-16 14:15:22 +0200 |
|---|---|---|
| committer | Grazvydas Ignotas | 2010-11-16 14:15:22 +0200 |
| commit | ef79bbde537d6b9c745a7d86cb9df1d04c35590d (patch) | |
| tree | ef8d2520dbb9e1e345b41b12c9959f300ca8fd10 /plugins/dfsound/registers.c | |
| download | pcsx_rearmed-ef79bbde537d6b9c745a7d86cb9df1d04c35590d.tar.gz pcsx_rearmed-ef79bbde537d6b9c745a7d86cb9df1d04c35590d.tar.bz2 pcsx_rearmed-ef79bbde537d6b9c745a7d86cb9df1d04c35590d.zip | |
pcsxr-1.9.92
Diffstat (limited to 'plugins/dfsound/registers.c')
| -rw-r--r-- | plugins/dfsound/registers.c | 589 |
1 files changed, 589 insertions, 0 deletions
diff --git a/plugins/dfsound/registers.c b/plugins/dfsound/registers.c new file mode 100644 index 0000000..b684914 --- /dev/null +++ b/plugins/dfsound/registers.c @@ -0,0 +1,589 @@ +/***************************************************************************
+ registers.c - description
+ -------------------
+ begin : Wed May 15 2002
+ copyright : (C) 2002 by Pete Bernert
+ email : BlackDove@addcom.de
+ ***************************************************************************/
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. See also the license.txt file for *
+ * additional informations. *
+ * *
+ ***************************************************************************/
+
+#include "stdafx.h"
+
+#define _IN_REGISTERS
+
+#include "externals.h"
+#include "registers.h"
+#include "regs.h"
+#include "reverb.h"
+
+/*
+// adsr time values (in ms) by James Higgs ... see the end of
+// the adsr.c source for details
+
+#define ATTACK_MS 514L
+#define DECAYHALF_MS 292L
+#define DECAY_MS 584L
+#define SUSTAIN_MS 450L
+#define RELEASE_MS 446L
+*/
+
+// we have a timebase of 1.020408f ms, not 1 ms... so adjust adsr defines
+#define ATTACK_MS 494L
+#define DECAYHALF_MS 286L
+#define DECAY_MS 572L
+#define SUSTAIN_MS 441L
+#define RELEASE_MS 437L
+
+////////////////////////////////////////////////////////////////////////
+// WRITE REGISTERS: called by main emu
+////////////////////////////////////////////////////////////////////////
+
+void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val)
+{
+ const unsigned long r=reg&0xfff;
+ regArea[(r-0xc00)>>1] = val;
+
+ if(r>=0x0c00 && r<0x0d80) // some channel info?
+ {
+ int ch=(r>>4)-0xc0; // calc channel
+ switch(r&0x0f)
+ {
+ //------------------------------------------------// r volume
+ case 0:
+ SetVolumeL((unsigned char)ch,val);
+ break;
+ //------------------------------------------------// l volume
+ case 2:
+ SetVolumeR((unsigned char)ch,val);
+ break;
+ //------------------------------------------------// pitch
+ case 4:
+ SetPitch(ch,val);
+ break;
+ //------------------------------------------------// start
+ case 6:
+ s_chan[ch].pStart=spuMemC+((unsigned long) val<<3);
+ break;
+ //------------------------------------------------// level with pre-calcs
+ case 8:
+ {
+ const unsigned long lval=val;unsigned long lx;
+ //---------------------------------------------//
+ s_chan[ch].ADSRX.AttackModeExp=(lval&0x8000)?1:0;
+ s_chan[ch].ADSRX.AttackRate=(lval>>8) & 0x007f;
+ s_chan[ch].ADSRX.DecayRate=(lval>>4) & 0x000f;
+ s_chan[ch].ADSRX.SustainLevel=lval & 0x000f;
+ //---------------------------------------------//
+ if(!iDebugMode) break;
+ //---------------------------------------------// stuff below is only for debug mode
+
+ s_chan[ch].ADSR.AttackModeExp=(lval&0x8000)?1:0; //0x007f
+
+ lx=(((lval>>8) & 0x007f)>>2); // attack time to run from 0 to 100% volume
+ lx=min(31,lx); // no overflow on shift!
+ if(lx)
+ {
+ lx = (1<<lx);
+ if(lx<2147483) lx=(lx*ATTACK_MS)/10000L; // another overflow check
+ else lx=(lx/10000L)*ATTACK_MS;
+ if(!lx) lx=1;
+ }
+ s_chan[ch].ADSR.AttackTime=lx;
+
+ s_chan[ch].ADSR.SustainLevel= // our adsr vol runs from 0 to 1024, so scale the sustain level
+ (1024*((lval) & 0x000f))/15;
+
+ lx=(lval>>4) & 0x000f; // decay:
+ if(lx) // our const decay value is time it takes from 100% to 0% of volume
+ {
+ lx = ((1<<(lx))*DECAY_MS)/10000L;
+ if(!lx) lx=1;
+ }
+ s_chan[ch].ADSR.DecayTime = // so calc how long does it take to run from 100% to the wanted sus level
+ (lx*(1024-s_chan[ch].ADSR.SustainLevel))/1024;
+ }
+ break;
+ //------------------------------------------------// adsr times with pre-calcs
+ case 10:
+ {
+ const unsigned long lval=val;unsigned long lx;
+
+ //----------------------------------------------//
+ s_chan[ch].ADSRX.SustainModeExp = (lval&0x8000)?1:0;
+ s_chan[ch].ADSRX.SustainIncrease= (lval&0x4000)?0:1;
+ s_chan[ch].ADSRX.SustainRate = (lval>>6) & 0x007f;
+ s_chan[ch].ADSRX.ReleaseModeExp = (lval&0x0020)?1:0;
+ s_chan[ch].ADSRX.ReleaseRate = lval & 0x001f;
+ //----------------------------------------------//
+ if(!iDebugMode) break;
+ //----------------------------------------------// stuff below is only for debug mode
+
+ s_chan[ch].ADSR.SustainModeExp = (lval&0x8000)?1:0;
+ s_chan[ch].ADSR.ReleaseModeExp = (lval&0x0020)?1:0;
+
+ lx=((((lval>>6) & 0x007f)>>2)); // sustain time... often very high
+ lx=min(31,lx); // values are used to hold the volume
+ if(lx) // until a sound stop occurs
+ { // the highest value we reach (due to
+ lx = (1<<lx); // overflow checking) is:
+ if(lx<2147483) lx=(lx*SUSTAIN_MS)/10000L; // 94704 seconds = 1578 minutes = 26 hours...
+ else lx=(lx/10000L)*SUSTAIN_MS; // should be enuff... if the stop doesn't
+ if(!lx) lx=1; // come in this time span, I don't care :)
+ }
+ s_chan[ch].ADSR.SustainTime = lx;
+
+ lx=(lval & 0x001f);
+ s_chan[ch].ADSR.ReleaseVal =lx;
+ if(lx) // release time from 100% to 0%
+ { // note: the release time will be
+ lx = (1<<lx); // adjusted when a stop is coming,
+ if(lx<2147483) lx=(lx*RELEASE_MS)/10000L; // so at this time the adsr vol will
+ else lx=(lx/10000L)*RELEASE_MS; // run from (current volume) to 0%
+ if(!lx) lx=1;
+ }
+ s_chan[ch].ADSR.ReleaseTime=lx;
+
+ if(lval & 0x4000) // add/dec flag
+ s_chan[ch].ADSR.SustainModeDec=-1;
+ else s_chan[ch].ADSR.SustainModeDec=1;
+ }
+ break;
+ //------------------------------------------------// adsr volume... mmm have to investigate this
+ case 12:
+ break;
+ //------------------------------------------------//
+ case 14: // loop?
+ //WaitForSingleObject(s_chan[ch].hMutex,2000); // -> no multithread fuckups
+ s_chan[ch].pLoop=spuMemC+((unsigned long) val<<3);
+ s_chan[ch].bIgnoreLoop=1;
+ //ReleaseMutex(s_chan[ch].hMutex); // -> oki, on with the thread
+ break;
+ //------------------------------------------------//
+ }
+ iSpuAsyncWait=0;
+ return;
+ }
+
+ switch(r)
+ {
+ //-------------------------------------------------//
+ case H_SPUaddr:
+ spuAddr = (unsigned long) val<<3;
+ break;
+ //-------------------------------------------------//
+ case H_SPUdata:
+ spuMem[spuAddr>>1] = val;
+ spuAddr+=2;
+ if(spuAddr>0x7ffff) spuAddr=0;
+ break;
+ //-------------------------------------------------//
+ case H_SPUctrl:
+ spuCtrl=val;
+ break;
+ //-------------------------------------------------//
+ case H_SPUstat:
+ spuStat=val & 0xf800;
+ break;
+ //-------------------------------------------------//
+ case H_SPUReverbAddr:
+ if(val==0xFFFF || val<=0x200)
+ {rvb.StartAddr=rvb.CurrAddr=0;}
+ else
+ {
+ const long iv=(unsigned long)val<<2;
+ if(rvb.StartAddr!=iv)
+ {
+ rvb.StartAddr=(unsigned long)val<<2;
+ rvb.CurrAddr=rvb.StartAddr;
+ }
+ }
+ break;
+ //-------------------------------------------------//
+ case H_SPUirqAddr:
+ spuIrq = val;
+ pSpuIrq=spuMemC+((unsigned long) val<<3);
+ break;
+ //-------------------------------------------------//
+ case H_SPUrvolL:
+ rvb.VolLeft=val;
+ break;
+ //-------------------------------------------------//
+ case H_SPUrvolR:
+ rvb.VolRight=val;
+ break;
+ //-------------------------------------------------//
+
+/*
+ case H_ExtLeft:
+ //auxprintf("EL %d\n",val);
+ break;
+ //-------------------------------------------------//
+ case H_ExtRight:
+ //auxprintf("ER %d\n",val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUmvolL:
+ //auxprintf("ML %d\n",val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUmvolR:
+ //auxprintf("MR %d\n",val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUMute1:
+ //auxprintf("M0 %04x\n",val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUMute2:
+ //auxprintf("M1 %04x\n",val);
+ break;
+*/
+ //-------------------------------------------------//
+ case H_SPUon1:
+ SoundOn(0,16,val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUon2:
+ SoundOn(16,24,val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUoff1:
+ SoundOff(0,16,val);
+ break;
+ //-------------------------------------------------//
+ case H_SPUoff2:
+ SoundOff(16,24,val);
+ break;
+ //-------------------------------------------------//
+ case H_CDLeft:
+ iLeftXAVol=val & 0x7fff;
+ if(cddavCallback) cddavCallback(0,val);
+ break;
+ case H_CDRight:
+ iRightXAVol=val & 0x7fff;
+ if(cddavCallback) cddavCallback(1,val);
+ break;
+ //-------------------------------------------------//
+ case H_FMod1:
+ FModOn(0,16,val);
+ break;
+ //-------------------------------------------------//
+ case H_FMod2:
+ FModOn(16,24,val);
+ break;
+ //-------------------------------------------------//
+ case H_Noise1:
+ NoiseOn(0,16,val);
+ break;
+ //-------------------------------------------------//
+ case H_Noise2:
+ NoiseOn(16,24,val);
+ break;
+ //-------------------------------------------------//
+ case H_RVBon1:
+ ReverbOn(0,16,val);
+ break;
+ //-------------------------------------------------//
+ case H_RVBon2:
+ ReverbOn(16,24,val);
+ break;
+ //-------------------------------------------------//
+ case H_Reverb+0:
+
+ rvb.FB_SRC_A=val;
+
+ // OK, here's the fake REVERB stuff...
+ // depending on effect we do more or less delay and repeats... bah
+ // still... better than nothing :)
+
+ SetREVERB(val);
+ break;
+
+
+ case H_Reverb+2 : rvb.FB_SRC_B=(short)val; break;
+ case H_Reverb+4 : rvb.IIR_ALPHA=(short)val; break;
+ case H_Reverb+6 : rvb.ACC_COEF_A=(short)val; break;
+ case H_Reverb+8 : rvb.ACC_COEF_B=(short)val; break;
+ case H_Reverb+10 : rvb.ACC_COEF_C=(short)val; break;
+ case H_Reverb+12 : rvb.ACC_COEF_D=(short)val; break;
+ case H_Reverb+14 : rvb.IIR_COEF=(short)val; break;
+ case H_Reverb+16 : rvb.FB_ALPHA=(short)val; break;
+ case H_Reverb+18 : rvb.FB_X=(short)val; break;
+ case H_Reverb+20 : rvb.IIR_DEST_A0=(short)val; break;
+ case H_Reverb+22 : rvb.IIR_DEST_A1=(short)val; break;
+ case H_Reverb+24 : rvb.ACC_SRC_A0=(short)val; break;
+ case H_Reverb+26 : rvb.ACC_SRC_A1=(short)val; break;
+ case H_Reverb+28 : rvb.ACC_SRC_B0=(short)val; break;
+ case H_Reverb+30 : rvb.ACC_SRC_B1=(short)val; break;
+ case H_Reverb+32 : rvb.IIR_SRC_A0=(short)val; break;
+ case H_Reverb+34 : rvb.IIR_SRC_A1=(short)val; break;
+ case H_Reverb+36 : rvb.IIR_DEST_B0=(short)val; break;
+ case H_Reverb+38 : rvb.IIR_DEST_B1=(short)val; break;
+ case H_Reverb+40 : rvb.ACC_SRC_C0=(short)val; break;
+ case H_Reverb+42 : rvb.ACC_SRC_C1=(short)val; break;
+ case H_Reverb+44 : rvb.ACC_SRC_D0=(short)val; break;
+ case H_Reverb+46 : rvb.ACC_SRC_D1=(short)val; break;
+ case H_Reverb+48 : rvb.IIR_SRC_B1=(short)val; break;
+ case H_Reverb+50 : rvb.IIR_SRC_B0=(short)val; break;
+ case H_Reverb+52 : rvb.MIX_DEST_A0=(short)val; break;
+ case H_Reverb+54 : rvb.MIX_DEST_A1=(short)val; break;
+ case H_Reverb+56 : rvb.MIX_DEST_B0=(short)val; break;
+ case H_Reverb+58 : rvb.MIX_DEST_B1=(short)val; break;
+ case H_Reverb+60 : rvb.IN_COEF_L=(short)val; break;
+ case H_Reverb+62 : rvb.IN_COEF_R=(short)val; break;
+ }
+
+ iSpuAsyncWait=0;
+}
+
+////////////////////////////////////////////////////////////////////////
+// READ REGISTER: called by main emu
+////////////////////////////////////////////////////////////////////////
+
+unsigned short CALLBACK SPUreadRegister(unsigned long reg)
+{
+ const unsigned long r=reg&0xfff;
+
+ iSpuAsyncWait=0;
+
+ if(r>=0x0c00 && r<0x0d80)
+ {
+ switch(r&0x0f)
+ {
+ case 12: // get adsr vol
+ {
+ const int ch=(r>>4)-0xc0;
+ if(s_chan[ch].bNew) return 1; // we are started, but not processed? return 1
+ if(s_chan[ch].ADSRX.lVolume && // same here... we haven't decoded one sample yet, so no envelope yet. return 1 as well
+ !s_chan[ch].ADSRX.EnvelopeVol)
+ return 1;
+ return (unsigned short)(s_chan[ch].ADSRX.EnvelopeVol>>16);
+ }
+
+ case 14: // get loop address
+ {
+ const int ch=(r>>4)-0xc0;
+ if(s_chan[ch].pLoop==NULL) return 0;
+ return (unsigned short)((s_chan[ch].pLoop-spuMemC)>>3);
+ }
+ }
+ }
+
+ switch(r)
+ {
+ case H_SPUctrl:
+ return spuCtrl;
+
+ case H_SPUstat:
+ return spuStat;
+
+ case H_SPUaddr:
+ return (unsigned short)(spuAddr>>3);
+
+ case H_SPUdata:
+ {
+ unsigned short s=spuMem[spuAddr>>1];
+ spuAddr+=2;
+ if(spuAddr>0x7ffff) spuAddr=0;
+ return s;
+ }
+
+ case H_SPUirqAddr:
+ return spuIrq;
+
+ //case H_SPUIsOn1:
+ // return IsSoundOn(0,16);
+
+ //case H_SPUIsOn2:
+ // return IsSoundOn(16,24);
+
+ }
+
+ return regArea[(r-0xc00)>>1];
+}
+
+////////////////////////////////////////////////////////////////////////
+// SOUND ON register write
+////////////////////////////////////////////////////////////////////////
+
+void SoundOn(int start,int end,unsigned short val) // SOUND ON PSX COMAND
+{
+ int ch;
+
+ for(ch=start;ch<end;ch++,val>>=1) // loop channels
+ {
+ if((val&1) && s_chan[ch].pStart) // mmm... start has to be set before key on !?!
+ {
+ s_chan[ch].bIgnoreLoop=0;
+ s_chan[ch].bNew=1;
+ dwNewChannel|=(1<<ch); // bitfield for faster testing
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// SOUND OFF register write
+////////////////////////////////////////////////////////////////////////
+
+void SoundOff(int start,int end,unsigned short val) // SOUND OFF PSX COMMAND
+{
+ int ch;
+ for(ch=start;ch<end;ch++,val>>=1) // loop channels
+ {
+ if(val&1) // && s_chan[i].bOn) mmm...
+ {
+ s_chan[ch].bStop=1;
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// FMOD register write
+////////////////////////////////////////////////////////////////////////
+
+void FModOn(int start,int end,unsigned short val) // FMOD ON PSX COMMAND
+{
+ int ch;
+
+ for(ch=start;ch<end;ch++,val>>=1) // loop channels
+ {
+ if(val&1) // -> fmod on/off
+ {
+ if(ch>0)
+ {
+ s_chan[ch].bFMod=1; // --> sound channel
+ s_chan[ch-1].bFMod=2; // --> freq channel
+ }
+ }
+ else
+ {
+ s_chan[ch].bFMod=0; // --> turn off fmod
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// NOISE register write
+////////////////////////////////////////////////////////////////////////
+
+void NoiseOn(int start,int end,unsigned short val) // NOISE ON PSX COMMAND
+{
+ int ch;
+
+ for(ch=start;ch<end;ch++,val>>=1) // loop channels
+ {
+ if(val&1) // -> noise on/off
+ {
+ s_chan[ch].bNoise=1;
+ }
+ else
+ {
+ s_chan[ch].bNoise=0;
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// LEFT VOLUME register write
+////////////////////////////////////////////////////////////////////////
+
+// please note: sweep and phase invert are wrong... but I've never seen
+// them used
+
+void SetVolumeL(unsigned char ch,short vol) // LEFT VOLUME
+{
+ s_chan[ch].iLeftVolRaw=vol;
+
+ if(vol&0x8000) // sweep?
+ {
+ short sInc=1; // -> sweep up?
+ if(vol&0x2000) sInc=-1; // -> or down?
+ if(vol&0x1000) vol^=0xffff; // -> mmm... phase inverted? have to investigate this
+ vol=((vol&0x7f)+1)/2; // -> sweep: 0..127 -> 0..64
+ vol+=vol/(2*sInc); // -> HACK: we don't sweep right now, so we just raise/lower the volume by the half!
+ vol*=128;
+ }
+ else // no sweep:
+ {
+ if(vol&0x4000) // -> mmm... phase inverted? have to investigate this
+ //vol^=0xffff;
+ vol=0x3fff-(vol&0x3fff);
+ }
+
+ vol&=0x3fff;
+ s_chan[ch].iLeftVolume=vol; // store volume
+}
+
+////////////////////////////////////////////////////////////////////////
+// RIGHT VOLUME register write
+////////////////////////////////////////////////////////////////////////
+
+void SetVolumeR(unsigned char ch,short vol) // RIGHT VOLUME
+{
+ s_chan[ch].iRightVolRaw=vol;
+
+ if(vol&0x8000) // comments... see above :)
+ {
+ short sInc=1;
+ if(vol&0x2000) sInc=-1;
+ if(vol&0x1000) vol^=0xffff;
+ vol=((vol&0x7f)+1)/2;
+ vol+=vol/(2*sInc);
+ vol*=128;
+ }
+ else
+ {
+ if(vol&0x4000) //vol=vol^=0xffff;
+ vol=0x3fff-(vol&0x3fff);
+ }
+
+ vol&=0x3fff;
+
+ s_chan[ch].iRightVolume=vol;
+}
+
+////////////////////////////////////////////////////////////////////////
+// PITCH register write
+////////////////////////////////////////////////////////////////////////
+
+void SetPitch(int ch,unsigned short val) // SET PITCH
+{
+ int NP;
+ if(val>0x3fff) NP=0x3fff; // get pitch val
+ else NP=val;
+
+ s_chan[ch].iRawPitch=NP;
+
+ NP=(44100L*NP)/4096L; // calc frequency
+ if(NP<1) NP=1; // some security
+ s_chan[ch].iActFreq=NP; // store frequency
+}
+
+////////////////////////////////////////////////////////////////////////
+// REVERB register write
+////////////////////////////////////////////////////////////////////////
+
+void ReverbOn(int start,int end,unsigned short val) // REVERB ON PSX COMMAND
+{
+ int ch;
+
+ for(ch=start;ch<end;ch++,val>>=1) // loop channels
+ {
+ if(val&1) // -> reverb on/off
+ {
+ s_chan[ch].bReverb=1;
+ }
+ else
+ {
+ s_chan[ch].bReverb=0;
+ }
+ }
+}
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