608 lines
18 KiB
C++
608 lines
18 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2025 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "supervision.h"
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#include "../engine.h"
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#include "../../ta-log.h"
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#include "furIcons.h"
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#include <math.h>
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//#define rWrite(a,v) pendingWrites[a]=v;
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#define rWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
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#define CHIP_DIVIDER 32
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const char* regCheatSheetSupervision[]={
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"Freq0L", "10",
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"Freq0H", "11",
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"Control0", "12",
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"Len0", "13",
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"Freq1L", "14",
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"Freq1H", "15",
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"Control1", "16",
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"Len1", "17",
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"DMAstartL", "18",
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"DMAstartH", "19",
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"DMAlen", "1a",
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"DMAstep", "1b",
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"DMAon", "1c",
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"NoisDiv", "28",
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"NoisLen", "29",
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"NoisCtrl", "2a",
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NULL
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};
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const char** DivPlatformSupervision::getRegisterSheet() {
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return regCheatSheetSupervision;
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}
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void DivPlatformSupervision::acquire(short** buf, size_t len) {
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int mask_bits=0;
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for (int i=0; i<4; i++) {
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mask_bits |= isMuted[i]?0:8>>i;
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}
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supervision_set_mute_mask(&svision,mask_bits);
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for (int i=0; i<4; i++) {
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oscBuf[i]->begin(len);
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}
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for (size_t h=0; h<len; h++) {
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while (!writes.empty()) {
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QueuedWrite w=writes.front();
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supervision_memorymap_registers_write(&svision,w.addr|0x2000,w.val);
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regPool[w.addr&0x3f]=w.val;
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writes.pop();
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}
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unsigned char s[6];
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supervision_sound_stream_update(&svision,s,2);
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tempL[0]=(((int)s[0])-128)*256;
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tempR[0]=(((int)s[1])-128)*256;
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for (int i=0; i<4; i++) {
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oscBuf[i]->putSample(h,CLAMP(((int)s[2+i])<<8,-32768,32767));
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}
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tempL[0]=(tempL[0]>>1)+(tempL[0]>>2);
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tempR[0]=(tempR[0]>>1)+(tempR[0]>>2);
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if (tempL[0]<-32768) tempL[0]=-32768;
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if (tempL[0]>32767) tempL[0]=32767;
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if (tempR[0]<-32768) tempR[0]=-32768;
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if (tempR[0]>32767) tempR[0]=32767;
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//printf("tempL: %d tempR: %d\n",tempL,tempR);
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buf[0][h]=tempL[0];
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buf[1][h]=tempR[0];
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}
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for (int i=0; i<4; i++) {
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oscBuf[i]->end(len);
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}
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}
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void DivPlatformSupervision::tick(bool sysTick) {
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for (int i=0; i<4; i++) {
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chan[i].std.next();
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if (chan[i].std.vol.had) {
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chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol&15,MIN(15,chan[i].std.vol.val),15);
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}
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if (NEW_ARP_STRAT) {
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chan[i].handleArp();
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} else if (chan[i].std.arp.had) {
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if (!chan[i].inPorta) {
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int f=parent->calcArp(chan[i].note,chan[i].std.arp.val);
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if (i==2 || i==3) {
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chan[i].baseFreq=f;
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//if (chan[i].baseFreq>255) chan[i].baseFreq=255;
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if (chan[i].baseFreq<0) chan[i].baseFreq=0;
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} else {
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chan[i].baseFreq=NOTE_PERIODIC(f);
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}
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}
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chan[i].freqChanged=true;
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}
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if (chan[i].std.duty.had) {
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chan[i].duty=chan[i].std.duty.val;
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}
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if (chan[i].std.panL.had) {
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chan[i].pan=chan[i].std.panL.val&3;
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}
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if (chan[i].std.pitch.had) {
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if (chan[i].std.pitch.mode) {
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chan[i].pitch2+=chan[i].std.pitch.val;
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CLAMP_VAR(chan[i].pitch2,-32768,32767);
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} else {
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chan[i].pitch2=chan[i].std.pitch.val;
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}
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chan[i].freqChanged=true;
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}
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_PCE);
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if (i<2) {
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock<<1,CHIP_DIVIDER);
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if (chan[i].freq<1) chan[i].freq=1;
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if (chan[i].freq>2047) chan[i].freq=2047;
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if (chan[i].freqChanged || chan[i].initWrite) {
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rWrite(0x10|(i<<2),chan[i].freq&0xff);
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rWrite(0x11|(i<<2),(chan[i].freq>>8)&0x7);
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}
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chan[i].initWrite=false;
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} else if (i==3) {
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int ntPos=chan[i].baseFreq;
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if (NEW_ARP_STRAT) {
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if (chan[i].fixedArp) {
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ntPos=chan[i].baseNoteOverride;
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} else {
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ntPos+=chan[i].arpOff;
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}
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}
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ntPos+=chan[i].pitch2;
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chan[i].freq=15-(ntPos&15);
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unsigned char r=(chan[i].freq<<4)|(chan[i].outVol&0xf);
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rWrite(0x28,r);
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noiseReg[0]=r;
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rWrite(0x29,0xc8);
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r=((chan[i].duty&1)^dutySwap)|(0x02|0x10)|(chan[i].pan<<2);
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rWrite(0x2A,r);
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}
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if (chan[i].keyOn && i==2) {
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if (chan[i].pcm) {
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int ntPos=chan[i].sampleNote;
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ntPos+=chan[i].pitch2;
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chan[i].freq=3-(ntPos&3);
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int sNum=chan[i].sample;
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DivSample* sample=parent->getSample(sNum);
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if (sample!=NULL && sNum>=0 && sNum<parent->song.sampleLen) {
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unsigned int off=MIN(sampleOff[sNum]+chan[i].hasOffset,sampleOff[sNum]+sampleLen[sNum]);
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unsigned int len=MAX((((int)sampleLen[sNum])-((int)chan[i].hasOffset)),0);
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if (len) {
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rWrite(0x18,off&0xff);
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rWrite(0x19,(off>>8&0x3f)|0x80);
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rWrite(0x1A,MIN(MAX(len>>4,0),255));
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rWrite(0x1B,chan[i].freq|((chan[i].pan&3)<<2)|((off>>14&7)<<4));
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rWrite(0x1C,0x80);
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}
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sampleOffset=chan[i].hasOffset;
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chan[i].hasOffset=0;
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}
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}
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}
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if (chan[i].keyOff && i==2) {
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if (chan[i].pcm) {
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int ntPos=chan[i].sampleNote;
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ntPos+=chan[i].pitch2;
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chan[i].freq=3-(ntPos&3);
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int sNum=chan[i].sample;
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DivSample* sample=parent->getSample(sNum);
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if (sample!=NULL && sNum>=0 && sNum<parent->song.sampleLen) {
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rWrite(0x1C,0x00);
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}
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}
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}
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if (chan[i].keyOn) chan[i].kon=true;
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if (chan[i].keyOff) chan[i].kon=false;
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if (chan[i].keyOn) chan[i].keyOn=false;
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if (chan[i].keyOff) chan[i].keyOff=false;
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chan[i].freqChanged=false;
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}
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if (chan[i].kon) {
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if (i<2) {
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rWrite(0x12|(i<<2),(chan[i].outVol&0xf)|((chan[i].duty&3)<<4));
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rWrite(0x13|(i<<2),0xc8);
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} else if (i == 3) {
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int ntPos=chan[i].baseFreq;
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if (NEW_ARP_STRAT) {
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if (chan[i].fixedArp) {
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ntPos=chan[i].baseNoteOverride;
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} else {
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ntPos+=chan[i].arpOff;
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}
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}
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ntPos+=chan[i].pitch2;
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chan[i].freq=15-(ntPos&15);
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unsigned char r=(chan[i].freq<<4)|(chan[i].outVol&0xf);
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if (noiseReg[0] != r) rWrite(0x28,r);
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noiseReg[0]=r;
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rWrite(0x29,0xc8);
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r=((chan[i].duty&1)^dutySwap)|(0x02|0x10)|(chan[i].pan<<2);
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if (noiseReg[2] != r) rWrite(0x2A,r);
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noiseReg[2]=r;
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} else if (i==2) {
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if (chan[i].pcm) {
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int ntPos=chan[i].sampleNote;
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ntPos+=chan[i].pitch2;
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chan[i].freq=3-(ntPos&3);
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int sNum=chan[i].sample;
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DivSample* sample=parent->getSample(sNum);
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if (sample!=NULL && sNum>=0 && sNum<parent->song.sampleLen) {
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unsigned int off=MIN(sampleOff[sNum]+sampleOffset,sampleOff[sNum]+sampleLen[sNum]);
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unsigned int len=MAX((((int)sampleLen[sNum])-((int)sampleOffset)),0);
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if (len) {
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rWrite(0x1A,MIN(MAX(len>>4,0),255));
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if (chan[i].outVol==0) {
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rWrite(0x1B,chan[i].freq|((off>>14&7)<<4));
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} else {
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rWrite(0x1B,chan[i].freq|((chan[i].pan&3)<<2)|((off>>14&7)<<4));
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}
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}
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}
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}
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}
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} else {
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if (i < 2) {
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rWrite(0x12|(i<<2),0);
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rWrite(0x13|(i<<2),0xc8);
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} else if (i == 3) {
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rWrite(0x29,0);
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unsigned char r=0;
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if (noiseReg[2] != r) rWrite(0x2A,r);
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noiseReg[2]=r;
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}
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}
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}
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}
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int DivPlatformSupervision::dispatch(DivCommand c) {
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON: {
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DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_SUPERVISION);
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if (ins->type==DIV_INS_AMIGA || ins->amiga.useSample) {
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chan[c.chan].pcm=true;
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} else {
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chan[c.chan].pcm=false;
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}
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if (chan[c.chan].pcm) {
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].sample=ins->amiga.getSample(c.value);
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chan[c.chan].sampleNote=c.value;
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if (c.chan==2) {
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c.value=ins->amiga.getFreq(c.value);
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chan[c.chan].sampleNote=c.value;
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}
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}
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} else {
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chan[c.chan].sampleNote=DIV_NOTE_NULL;
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chan[c.chan].sampleNoteDelta=0;
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}
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=c.chan==3?c.value:NOTE_PERIODIC(c.value);
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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}
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chan[c.chan].active=true;
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chan[c.chan].keyOn=true;
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//chwrite(c.chan,0x04,0x80|chan[c.chan].vol);
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chan[c.chan].macroInit(ins);
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if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
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chan[c.chan].outVol=chan[c.chan].vol;
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}
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chan[c.chan].insChanged=false;
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break;
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}
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case DIV_CMD_NOTE_OFF:
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if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
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chan[c.chan].active=false;
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chan[c.chan].keyOff=true;
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chan[c.chan].macroInit(NULL);
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break;
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case DIV_CMD_NOTE_OFF_ENV:
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case DIV_CMD_ENV_RELEASE:
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chan[c.chan].std.release();
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break;
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case DIV_CMD_INSTRUMENT:
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if (chan[c.chan].ins!=c.value || c.value2==1) {
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chan[c.chan].ins=c.value;
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chan[c.chan].insChanged=true;
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}
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break;
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case DIV_CMD_VOLUME:
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if (chan[c.chan].vol!=c.value) {
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chan[c.chan].vol=c.value;
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if (!chan[c.chan].std.vol.has) {
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chan[c.chan].outVol=c.value;
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if (chan[c.chan].active) {
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//chwrite(c.chan,0x04,0x80|chan[c.chan].outVol);
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}
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}
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}
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break;
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case DIV_CMD_GET_VOLUME:
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if (chan[c.chan].std.vol.has) {
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return chan[c.chan].vol;
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}
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return chan[c.chan].outVol;
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break;
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case DIV_CMD_PITCH:
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chan[c.chan].pitch=c.value;
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chan[c.chan].freqChanged=true;
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break;
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case DIV_CMD_NOTE_PORTA: {
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int destFreq=NOTE_PERIODIC(c.value2+chan[c.chan].sampleNoteDelta);
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bool return2=false;
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if (destFreq>chan[c.chan].baseFreq) {
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chan[c.chan].baseFreq+=c.value;
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if (chan[c.chan].baseFreq>=destFreq) {
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chan[c.chan].baseFreq=destFreq;
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return2=true;
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}
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} else {
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chan[c.chan].baseFreq-=c.value;
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if (chan[c.chan].baseFreq<=destFreq) {
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chan[c.chan].baseFreq=destFreq;
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return2=true;
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}
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}
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chan[c.chan].freqChanged=true;
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if (return2) {
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chan[c.chan].inPorta=false;
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return 2;
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}
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break;
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}
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case DIV_CMD_STD_NOISE_MODE:
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chan[c.chan].duty=c.value;
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break;
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case DIV_CMD_SAMPLE_POS:
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chan[c.chan].hasOffset=c.value;
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chan[c.chan].keyOn=true;
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break;
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case DIV_CMD_PANNING: {
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chan[c.chan].pan=0;
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if (c.value&0xf0) chan[c.chan].pan|=2;
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if (c.value2>>4) chan[c.chan].pan|=1;
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if (chan[c.chan].pan==0) chan[c.chan].pan=3;
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break;
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}
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case DIV_CMD_LEGATO:
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chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+chan[c.chan].sampleNoteDelta+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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break;
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case DIV_CMD_PRE_PORTA:
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if (chan[c.chan].active && c.value2) {
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if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SUPERVISION));
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}
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if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
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chan[c.chan].inPorta=c.value;
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break;
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case DIV_CMD_GET_VOLMAX:
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return 15;
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break;
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case DIV_CMD_MACRO_OFF:
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chan[c.chan].std.mask(c.value,true);
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break;
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case DIV_CMD_MACRO_ON:
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chan[c.chan].std.mask(c.value,false);
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break;
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case DIV_CMD_MACRO_RESTART:
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chan[c.chan].std.restart(c.value);
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break;
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default:
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break;
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}
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return 1;
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}
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void DivPlatformSupervision::muteChannel(int ch, bool mute) {
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isMuted[ch]=mute;
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}
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void DivPlatformSupervision::forceIns() {
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for (int i=0; i<4; i++) {
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chan[i].insChanged=true;
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chan[i].freqChanged=true;
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//chwrite(i,0x05,isMuted[i]?0:chan[i].pan);
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}
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}
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void* DivPlatformSupervision::getChanState(int ch) {
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return &chan[ch];
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}
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DivMacroInt* DivPlatformSupervision::getChanMacroInt(int ch) {
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return &chan[ch].std;
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}
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DivDispatchOscBuffer* DivPlatformSupervision::getOscBuffer(int ch) {
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return oscBuf[ch];
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}
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unsigned char* DivPlatformSupervision::getRegisterPool() {
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return regPool;
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}
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int DivPlatformSupervision::getRegisterPoolSize() {
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return 64;
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}
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void DivPlatformSupervision::reset() {
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writes.clear();
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memset(regPool,0,64);
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for (int i=0; i<4; i++) {
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chan[i]=DivPlatformSupervision::Channel();
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chan[i].std.setEngine(parent);
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}
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if (dumpWrites) {
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addWrite(0xffffffff,0);
|
|
}
|
|
supervision_sound_reset(&svision);
|
|
memset(tempL,0,32*sizeof(int));
|
|
memset(tempR,0,32*sizeof(int));
|
|
memset(noiseReg,0,3*sizeof(unsigned char));
|
|
noiseReg[2]=0xff;
|
|
sampleOffset=0;
|
|
}
|
|
|
|
int DivPlatformSupervision::getOutputCount() {
|
|
return 2;
|
|
}
|
|
|
|
bool DivPlatformSupervision::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformSupervision::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformSupervision::setFlags(const DivConfig& flags) {
|
|
if (flags.getInt("swapDuty",true)) {
|
|
dutySwap=1;
|
|
} else {
|
|
dutySwap=0;
|
|
}
|
|
otherFlags=0;
|
|
if (flags.getInt("sqStereo",false)) {
|
|
otherFlags |= 1;
|
|
}
|
|
chipClock=4000000;
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock/64;
|
|
for (int i=0; i<4; i++) {
|
|
oscBuf[i]->setRate(rate);
|
|
}
|
|
supervision_sound_set_clock(&svision,(unsigned int)chipClock);
|
|
supervision_sound_set_flags(&svision,(unsigned int)otherFlags);
|
|
}
|
|
|
|
void DivPlatformSupervision::poke(unsigned int addr, unsigned short val) {
|
|
rWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformSupervision::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
|
}
|
|
|
|
const void* DivPlatformSupervision::getSampleMem(int index) {
|
|
return index==0?sampleMem:NULL;
|
|
}
|
|
|
|
size_t DivPlatformSupervision::getSampleMemCapacity(int index) {
|
|
return index==0?65536:0;
|
|
}
|
|
|
|
size_t DivPlatformSupervision::getSampleMemUsage(int index) {
|
|
return index==0?sampleMemLen:0;
|
|
}
|
|
|
|
bool DivPlatformSupervision::isSampleLoaded(int index, int sample) {
|
|
if (index!=0) return false;
|
|
if (sample<0 || sample>255) return false;
|
|
return sampleLoaded[sample];
|
|
}
|
|
|
|
const DivMemoryComposition* DivPlatformSupervision::getMemCompo(int index) {
|
|
if (index!=0) return NULL;
|
|
return &memCompo;
|
|
}
|
|
|
|
void DivPlatformSupervision::renderSamples(int sysID) {
|
|
memset(sampleMem,0,getSampleMemCapacity(0));
|
|
memset(sampleLoaded,0,256*sizeof(bool));
|
|
|
|
memCompo=DivMemoryComposition();
|
|
memCompo.name="Sample Memory";
|
|
|
|
size_t memPos=0;
|
|
for (int i=0; i<parent->song.sampleLen; i++) {
|
|
DivSample* s=parent->song.sample[i];
|
|
if (!s->renderOn[0][sysID]) {
|
|
sampleOff[i]=0;
|
|
continue;
|
|
}
|
|
unsigned int paddedLen=((s->length8>>1)+31)&(~0x1f);
|
|
logV("%d padded length: %d",i,paddedLen);
|
|
if (paddedLen>=4096) {
|
|
paddedLen=4096;
|
|
}
|
|
if ((memPos&(~0x3fff))!=((memPos+paddedLen)&(~0x3fff))) {
|
|
memPos=(memPos+0x3fff)&(~0x3fff);
|
|
}
|
|
if (memPos>=getSampleMemCapacity(0)) {
|
|
logW("out of memory for sample %d!",i);
|
|
break;
|
|
}
|
|
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
|
|
sampleLen[i]=(getSampleMemCapacity(0)-memPos)>>1;
|
|
for (size_t i=0; i<(getSampleMemCapacity(0)-memPos)>>1; i++) {
|
|
sampleMem[memPos+i]=(((s->data8[i*2+0]+128)>>4)<<4&0xf0)|(((s->data8[i*2+1]+128)>>4)&0xf);
|
|
}
|
|
logW("out of memory for sample %d!",i);
|
|
} else {
|
|
size_t len=MIN((s->length8>>1),paddedLen);
|
|
sampleLen[i]=(unsigned int)(len);
|
|
for (size_t i=0; i<len; i++) {
|
|
sampleMem[memPos+i]=(((s->data8[i*2+0]+128)>>4)<<4&0xf0)|(((s->data8[i*2+1]+128)>>4)&0xf);
|
|
}
|
|
sampleLoaded[i]=true;
|
|
}
|
|
sampleOff[i]=memPos;
|
|
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_SAMPLE,"Sample",i,memPos,memPos+paddedLen));
|
|
memPos+=paddedLen;
|
|
}
|
|
sampleMemLen=memPos;
|
|
|
|
memCompo.capacity=65536;
|
|
memCompo.used=sampleMemLen;
|
|
}
|
|
|
|
bool DivPlatformSupervision::getDCOffRequired() {
|
|
return true;
|
|
}
|
|
|
|
int DivPlatformSupervision::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<4; i++) {
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
sampleMem=svision.supervision_dma_mem;
|
|
dutySwap=0;
|
|
otherFlags=0;
|
|
sampleOffset=0;
|
|
sampleMemLen=0;
|
|
memset(sampleMem,0,65536);
|
|
svision.ch_mask=15;
|
|
svision.flags=1;
|
|
setFlags(flags);
|
|
reset();
|
|
return 4;
|
|
}
|
|
|
|
void DivPlatformSupervision::quit() {
|
|
for (int i=0; i<4; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
}
|
|
|
|
DivPlatformSupervision::~DivPlatformSupervision() {
|
|
}
|