start work on POKEY
to-do: - add ability to change AUDCTL - bass shape frequency and waveform mapping - easy noise???
This commit is contained in:
tildearrow
parent
4ba8c0513e
commit
ba674a0329
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@ -510,6 +510,7 @@ src/engine/platform/pcspkr.cpp
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src/engine/platform/segapcm.cpp
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src/engine/platform/qsound.cpp
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src/engine/platform/x1_010.cpp
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src/engine/platform/pokey.cpp
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src/engine/platform/lynx.cpp
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src/engine/platform/su.cpp
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src/engine/platform/swan.cpp
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@ -57,6 +57,7 @@
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#include "platform/su.h"
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#include "platform/swan.h"
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#include "platform/lynx.h"
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#include "platform/pokey.h"
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#include "platform/zxbeeper.h"
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#include "platform/bubsyswsg.h"
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#include "platform/n163.h"
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@ -338,6 +339,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
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case DIV_SYSTEM_LYNX:
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dispatch=new DivPlatformLynx;
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break;
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case DIV_SYSTEM_POKEY:
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dispatch=new DivPlatformPOKEY;
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break;
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case DIV_SYSTEM_QSOUND:
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dispatch=new DivPlatformQSound;
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break;
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363
src/engine/platform/pokey.cpp
Normal file
363
src/engine/platform/pokey.cpp
Normal file
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@ -0,0 +1,363 @@
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/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 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 "pokey.h"
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#include "../engine.h"
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#include "../../ta-log.h"
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#define rWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
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#define CHIP_DIVIDER 1
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const char* regCheatSheetPOKEY[]={
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"AUDF1", "0",
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"AUDC1", "1",
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"AUDF2", "2",
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"AUDC2", "3",
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"AUDF3", "4",
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"AUDC3", "5",
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"AUDF4", "6",
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"AUDC4", "7",
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"AUDCTL", "8",
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NULL
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};
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const char** DivPlatformPOKEY::getRegisterSheet() {
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return regCheatSheetPOKEY;
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}
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void DivPlatformPOKEY::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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for (size_t h=start; h<start+len; h++) {
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while (!writes.empty()) {
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QueuedWrite w=writes.front();
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Update_pokey_sound_mz(&pokey,w.addr,w.val,0);
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regPool[w.addr&0x0f]=w.val;
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writes.pop();
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}
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mzpokeysnd_process_16(&pokey,&bufL[h],1);
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}
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}
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void DivPlatformPOKEY::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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chan[i].ctlChanged=true;
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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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chan[i].baseFreq=NOTE_PERIODIC(parent->calcArp(chan[i].note,chan[i].std.arp.val));
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}
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chan[i].freqChanged=true;
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}
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if (chan[i].std.wave.had) {
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chan[i].wave=chan[i].std.wave.val;
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chan[i].ctlChanged=true;
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chan[i].freqChanged=true;
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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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}
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if (audctlChanged) {
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audctlChanged=false;
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rWrite(8,audctl);
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for (int i=0; i<4; i++) {
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chan[i].freqChanged=true;
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chan[i].ctlChanged=true;
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}
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}
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for (int i=0; i<4; i++) {
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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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,CHIP_DIVIDER);
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if ((i==0 && !(audctl&64)) || (i==2 && !(audctl&32)) || i==1 || i==3) {
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chan[i].freq+=chan[i].freq>>3;
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chan[i].freq>>=4;
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if (chan[i].freq&1) chan[i].freq++;
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chan[i].freq>>=1;
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}
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if (audctl&1) {
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chan[i].freq>>=2;
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}
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if ((i==0 && audctl&16) || (i==2 && audctl&8)) {
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if (chan[i].freq>65535) chan[i].freq=65535;
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} else {
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if (chan[i].freq>255) chan[i].freq=255;
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}
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if (--chan[i].freq<0) chan[i].freq=0;
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// write frequency
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if ((i==1 && audctl&16) || (i==3 && audctl&8)) {
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// ignore - channel is paired
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} else {
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rWrite(i<<1,chan[i].freq);
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logV("%d: %d",i,chan[i].freq);
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}
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if (chan[i].keyOff) {
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chan[i].ctlChanged=true;
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}
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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].ctlChanged) {
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unsigned char val=((chan[i].active && !isMuted[i])?(chan[i].outVol&15):0)|(chan[i].wave<<5);
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if ((i==1 && audctl&16) || (i==3 && audctl&8)) {
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// mute - channel is paired
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val=0;
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}
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chan[i].ctlChanged=false;
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rWrite(1+(i<<1),val);
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}
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}
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}
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int DivPlatformPOKEY::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_POKEY);
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=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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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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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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chan[c.chan].ctlChanged=true;
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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_WAVE:
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chan[c.chan].wave=c.value;
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chan[c.chan].ctlChanged=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);
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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_LEGATO:
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chan[c.chan].baseFreq=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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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_POKEY));
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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_ALWAYS_SET_VOLUME:
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return 1;
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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 DivPlatformPOKEY::muteChannel(int ch, bool mute) {
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isMuted[ch]=mute;
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chan[ch].ctlChanged=true;
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}
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void DivPlatformPOKEY::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].ctlChanged=true;
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chan[i].freqChanged=true;
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}
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}
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void* DivPlatformPOKEY::getChanState(int ch) {
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return &chan[ch];
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}
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DivMacroInt* DivPlatformPOKEY::getChanMacroInt(int ch) {
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return &chan[ch].std;
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}
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DivDispatchOscBuffer* DivPlatformPOKEY::getOscBuffer(int ch) {
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return oscBuf[ch];
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}
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unsigned char* DivPlatformPOKEY::getRegisterPool() {
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return regPool;
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}
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int DivPlatformPOKEY::getRegisterPoolSize() {
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return 9;
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}
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void DivPlatformPOKEY::reset() {
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while (!writes.empty()) writes.pop();
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memset(regPool,0,16);
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for (int i=0; i<4; i++) {
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chan[i]=DivPlatformPOKEY::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);
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}
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ResetPokeyState(&pokey);
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audctl=0;
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audctlChanged=true;
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}
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bool DivPlatformPOKEY::keyOffAffectsArp(int ch) {
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return true;
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}
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void DivPlatformPOKEY::notifyInsDeletion(void* ins) {
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for (int i=0; i<4; i++) {
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chan[i].std.notifyInsDeletion((DivInstrument*)ins);
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}
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}
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void DivPlatformPOKEY::setFlags(const DivConfig& flags) {
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if (flags.getInt("clockSel",0)) {
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chipClock=COLOR_PAL*2.0/5.0;
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} else {
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chipClock=COLOR_NTSC/2.0;
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}
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CHECK_CUSTOM_CLOCK;
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rate=chipClock;
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for (int i=0; i<4; i++) {
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oscBuf[i]->rate=rate/16;
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}
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}
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void DivPlatformPOKEY::poke(unsigned int addr, unsigned short val) {
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rWrite(addr,val);
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}
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void DivPlatformPOKEY::poke(std::vector<DivRegWrite>& wlist) {
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for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
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}
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int DivPlatformPOKEY::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
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parent=p;
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dumpWrites=false;
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skipRegisterWrites=false;
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for (int i=0; i<4; i++) {
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isMuted[i]=false;
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oscBuf[i]=new DivDispatchOscBuffer;
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}
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MZPOKEYSND_Init(&pokey);
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setFlags(flags);
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reset();
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return 6;
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}
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void DivPlatformPOKEY::quit() {
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for (int i=0; i<4; i++) {
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delete oscBuf[i];
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}
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}
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DivPlatformPOKEY::~DivPlatformPOKEY() {
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}
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77
src/engine/platform/pokey.h
Normal file
77
src/engine/platform/pokey.h
Normal file
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@ -0,0 +1,77 @@
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/**
|
||||
* Furnace Tracker - multi-system chiptune tracker
|
||||
* Copyright (C) 2021-2022 tildearrow and contributors
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
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#ifndef _POKEY_H
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#define _POKEY_H
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#include "../dispatch.h"
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#include <queue>
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extern "C" {
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#include "sound/pokey/mzpokeysnd.h"
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}
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class DivPlatformPOKEY: public DivDispatch {
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struct Channel: public SharedChannel<int> {
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unsigned char wave;
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bool ctlChanged;
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Channel():
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SharedChannel<int>(15),
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wave(5),
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ctlChanged(true) {}
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};
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Channel chan[4];
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DivDispatchOscBuffer* oscBuf[4];
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bool isMuted[4];
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struct QueuedWrite {
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unsigned char addr;
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unsigned char val;
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QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
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};
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std::queue<QueuedWrite> writes;
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unsigned char audctl;
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bool audctlChanged;
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PokeyState pokey;
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unsigned char regPool[16];
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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public:
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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DivMacroInt* getChanMacroInt(int ch);
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DivDispatchOscBuffer* getOscBuffer(int chan);
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unsigned char* getRegisterPool();
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int getRegisterPoolSize();
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void reset();
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void forceIns();
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void tick(bool sysTick=true);
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void muteChannel(int ch, bool mute);
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bool keyOffAffectsArp(int ch);
|
||||
void setFlags(const DivConfig& flags);
|
||||
void notifyInsDeletion(void* ins);
|
||||
void poke(unsigned int addr, unsigned short val);
|
||||
void poke(std::vector<DivRegWrite>& wlist);
|
||||
const char** getRegisterSheet();
|
||||
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
|
||||
void quit();
|
||||
~DivPlatformPOKEY();
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -153,6 +153,8 @@ void mzpokeysnd_process_8(PokeyState* ps, void* sndbuffer, int sndn);
|
|||
void mzpokeysnd_process_16(PokeyState* ps, void* sndbuffer, int sndn);
|
||||
void Update_pokey_sound_mz(PokeyState* ps, unsigned short addr, unsigned char val, unsigned char gain);
|
||||
|
||||
void ResetPokeyState(PokeyState* ps);
|
||||
|
||||
int MZPOKEYSND_Init(PokeyState* ps);
|
||||
|
||||
#endif /* MZPOKEYSND_H_ */
|
||||
|
|
|
|||
|
|
@ -958,6 +958,7 @@ const int availableSystems[]={
|
|||
DIV_SYSTEM_TIA,
|
||||
DIV_SYSTEM_SAA1099,
|
||||
DIV_SYSTEM_AY8930,
|
||||
DIV_SYSTEM_POKEY,
|
||||
DIV_SYSTEM_LYNX,
|
||||
DIV_SYSTEM_QSOUND,
|
||||
DIV_SYSTEM_X1_010,
|
||||
|
|
@ -1063,6 +1064,7 @@ const int chipsSpecial[]={
|
|||
DIV_SYSTEM_SOUND_UNIT,
|
||||
DIV_SYSTEM_TIA,
|
||||
DIV_SYSTEM_AY8930,
|
||||
DIV_SYSTEM_POKEY,
|
||||
DIV_SYSTEM_LYNX,
|
||||
DIV_SYSTEM_VERA,
|
||||
DIV_SYSTEM_PET,
|
||||
|
|
|
|||
|
|
@ -5000,7 +5000,8 @@ void FurnaceGUI::drawInsEdit() {
|
|||
}
|
||||
if (ins->type==DIV_INS_TIA || ins->type==DIV_INS_AMIGA || ins->type==DIV_INS_SCC ||
|
||||
ins->type==DIV_INS_PET || ins->type==DIV_INS_VIC || ins->type==DIV_INS_SEGAPCM ||
|
||||
ins->type==DIV_INS_FM || ins->type==DIV_INS_K007232 || ins->type==DIV_INS_GA20) {
|
||||
ins->type==DIV_INS_FM || ins->type==DIV_INS_K007232 || ins->type==DIV_INS_GA20 ||
|
||||
ins->type==DIV_INS_POKEY) {
|
||||
dutyMax=0;
|
||||
}
|
||||
if (ins->type==DIV_INS_VBOY) {
|
||||
|
|
@ -5086,7 +5087,7 @@ void FurnaceGUI::drawInsEdit() {
|
|||
if (ins->type==DIV_INS_K007232) waveMax=0;
|
||||
if (ins->type==DIV_INS_GA20) waveMax=0;
|
||||
if (ins->type==DIV_INS_POKEMINI) waveMax=0;
|
||||
if (ins->type==DIV_INS_SU) waveMax=7;
|
||||
if (ins->type==DIV_INS_SU || ins->type==DIV_INS_POKEY) waveMax=7;
|
||||
if (ins->type==DIV_INS_PET) {
|
||||
waveMax=8;
|
||||
waveBitMode=true;
|
||||
|
|
|
|||
Loading…
Reference in a new issue