mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-26 14:33:01 +00:00
and here's your ZX beeper
no real hardware yet specs of this dispatch may change at any time to fit a driver
This commit is contained in:
tildearrow
parent
0a0ddfa661
commit
895765b68a
7 changed files with 453 additions and 3 deletions
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@ -374,6 +374,7 @@ 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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src/engine/platform/vera.cpp
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src/engine/platform/zxbeeper.cpp
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src/engine/platform/bubsyswsg.cpp
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src/engine/platform/n163.cpp
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src/engine/platform/pet.cpp
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@ -59,6 +59,7 @@
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#include "platform/scc.h"
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#include "platform/dummy.h"
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#include "../ta-log.h"
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#include "platform/zxbeeper.h"
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#include "song.h"
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void DivDispatchContainer::setRates(double gotRate) {
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@ -294,6 +295,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
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case DIV_SYSTEM_PCSPKR:
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dispatch=new DivPlatformPCSpeaker;
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break;
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case DIV_SYSTEM_SFX_BEEPER:
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dispatch=new DivPlatformZXBeeper;
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break;
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case DIV_SYSTEM_LYNX:
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dispatch=new DivPlatformLynx;
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break;
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332
src/engine/platform/zxbeeper.cpp
Normal file
332
src/engine/platform/zxbeeper.cpp
Normal file
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@ -0,0 +1,332 @@
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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 "zxbeeper.h"
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#include "../engine.h"
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#include <math.h>
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#define CHIP_FREQBASE 8192*6
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const char** DivPlatformZXBeeper::getRegisterSheet() {
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return NULL;
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}
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const char* DivPlatformZXBeeper::getEffectName(unsigned char effect) {
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switch (effect) {
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case 0x10:
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return "10xx: Change waveform";
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break;
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case 0x11:
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return "11xx: Toggle noise mode";
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break;
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case 0x12:
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return "12xx: Setup LFO (0: disabled; 1: 1x depth; 2: 16x depth; 3: 256x depth)";
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break;
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case 0x13:
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return "13xx: Set LFO speed";
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break;
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case 0x17:
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return "17xx: Toggle PCM mode";
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break;
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}
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return NULL;
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}
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void DivPlatformZXBeeper::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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// clock here
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bool o=false;
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unsigned short oldPos=chan[curChan].sPosition;
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if (sOffTimer) {
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sOffTimer--;
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o=true;
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}
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chan[curChan].sPosition+=chan[curChan].freq;
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if (oldPos>chan[curChan].sPosition) {
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if (!isMuted[curChan] && chan[curChan].outVol) sOffTimer+=chan[curChan].duty;
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}
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if (++curChan>=6) curChan=0;
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bufL[h]=o?16384:0;
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}
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}
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void DivPlatformZXBeeper::tick(bool sysTick) {
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for (int i=0; i<6; 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=((chan[i].vol&1)*MIN(1,chan[i].std.vol.val));
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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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chan[i].freqChanged=true;
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}
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if (chan[i].std.arp.had) {
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if (!chan[i].inPorta) {
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if (chan[i].std.arp.mode) {
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chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp.val);
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} else {
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chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+chan[i].std.arp.val);
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}
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}
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chan[i].freqChanged=true;
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} else {
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if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
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chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
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chan[i].freqChanged=true;
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}
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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,-2048,2048);
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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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if (chan[i].active) {
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,0,chan[i].pitch2,chipClock,CHIP_FREQBASE);
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if (chan[i].freq>65535) chan[i].freq=65535;
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}
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if (chan[i].keyOn) {
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//rWrite(16+i*5,0x80);
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//chWrite(i,0x04,0x80|chan[i].vol);
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}
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if (chan[i].keyOff) {
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chan[i].freq=0;
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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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}
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}
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int DivPlatformZXBeeper::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_BEEPER);
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=NOTE_FREQUENCY(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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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].dacSample=-1;
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if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
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chan[c.chan].pcm=false;
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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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}
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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_FREQUENCY(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_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_MODE:
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chan[c.chan].pcm=c.value;
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break;
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case DIV_CMD_SAMPLE_BANK:
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sampleBank=c.value;
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if (sampleBank>(parent->song.sample.size()/12)) {
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sampleBank=parent->song.sample.size()/12;
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}
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break;
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case DIV_CMD_LEGATO:
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chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(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_BEEPER));
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}
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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 1;
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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 DivPlatformZXBeeper::muteChannel(int ch, bool mute) {
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isMuted[ch]=mute;
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}
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void DivPlatformZXBeeper::forceIns() {
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for (int i=0; i<6; i++) {
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chan[i].insChanged=true;
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chan[i].freqChanged=true;
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}
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}
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void* DivPlatformZXBeeper::getChanState(int ch) {
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return &chan[ch];
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}
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DivDispatchOscBuffer* DivPlatformZXBeeper::getOscBuffer(int ch) {
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return oscBuf[ch];
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}
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unsigned char* DivPlatformZXBeeper::getRegisterPool() {
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return regPool;
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}
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int DivPlatformZXBeeper::getRegisterPoolSize() {
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return 112;
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}
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void DivPlatformZXBeeper::reset() {
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while (!writes.empty()) writes.pop();
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memset(regPool,0,128);
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for (int i=0; i<6; i++) {
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chan[i]=DivPlatformZXBeeper::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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lastPan=0xff;
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memset(tempL,0,32*sizeof(int));
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memset(tempR,0,32*sizeof(int));
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cycles=0;
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curChan=0;
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sOffTimer=0;
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sampleBank=0;
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}
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bool DivPlatformZXBeeper::keyOffAffectsArp(int ch) {
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return true;
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}
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void DivPlatformZXBeeper::notifyWaveChange(int wave) {
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}
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void DivPlatformZXBeeper::notifyInsDeletion(void* ins) {
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for (int i=0; i<6; i++) {
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chan[i].std.notifyInsDeletion((DivInstrument*)ins);
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}
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}
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void DivPlatformZXBeeper::setFlags(unsigned int flags) {
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if (flags&1) { // technically there is no PAL PC Engine but oh well...
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chipClock=COLOR_PAL*4.0/5.0;
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} else {
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chipClock=COLOR_NTSC;
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}
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rate=chipClock/4;
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for (int i=0; i<6; i++) {
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oscBuf[i]->rate=rate;
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}
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}
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void DivPlatformZXBeeper::poke(unsigned int addr, unsigned short val) {
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}
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void DivPlatformZXBeeper::poke(std::vector<DivRegWrite>& wlist) {
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}
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int DivPlatformZXBeeper::init(DivEngine* p, int channels, int sugRate, unsigned int 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<6; i++) {
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isMuted[i]=false;
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oscBuf[i]=new DivDispatchOscBuffer;
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}
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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 DivPlatformZXBeeper::quit() {
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for (int i=0; i<6; i++) {
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delete oscBuf[i];
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}
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}
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DivPlatformZXBeeper::~DivPlatformZXBeeper() {
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}
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108
src/engine/platform/zxbeeper.h
Normal file
108
src/engine/platform/zxbeeper.h
Normal file
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@ -0,0 +1,108 @@
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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
|
||||
*
|
||||
* 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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|
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#ifndef _ZXBEEPER_H
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#define _ZXBEEPER_H
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#include "../dispatch.h"
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#include <queue>
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#include "../macroInt.h"
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class DivPlatformZXBeeper: public DivDispatch {
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struct Channel {
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int freq, baseFreq, pitch, pitch2, note;
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int dacPeriod, dacRate;
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unsigned int dacPos;
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int dacSample, ins;
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bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, noise, pcm, furnaceDac;
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signed char vol, outVol;
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unsigned short sPosition;
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unsigned char duty;
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DivMacroInt std;
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void macroInit(DivInstrument* which) {
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std.init(which);
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pitch2=0;
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}
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Channel():
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freq(0),
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baseFreq(0),
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pitch(0),
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pitch2(0),
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note(0),
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dacPeriod(0),
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dacRate(0),
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dacPos(0),
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dacSample(-1),
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ins(-1),
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active(false),
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insChanged(true),
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freqChanged(false),
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keyOn(false),
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keyOff(false),
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inPorta(false),
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noise(false),
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pcm(false),
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furnaceDac(false),
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vol(1),
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outVol(1),
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sPosition(0),
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duty(3) {}
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};
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Channel chan[6];
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DivDispatchOscBuffer* oscBuf[6];
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bool isMuted[6];
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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 lastPan;
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int cycles, curChan, sOffTimer, delay;
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int tempL[32];
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int tempR[32];
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unsigned char sampleBank, lfoMode, lfoSpeed;
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unsigned char regPool[128];
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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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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);
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void setFlags(unsigned int flags);
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void notifyWaveChange(int wave);
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void notifyInsDeletion(void* ins);
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void poke(unsigned int addr, unsigned short val);
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void poke(std::vector<DivRegWrite>& wlist);
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const char** getRegisterSheet();
|
||||
const char* getEffectName(unsigned char effect);
|
||||
int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
|
||||
void quit();
|
||||
~DivPlatformZXBeeper();
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -1326,7 +1326,7 @@ void DivEngine::registerSystems() {
|
|||
{"Square"},
|
||||
{"SQ"},
|
||||
{DIV_CH_PULSE},
|
||||
{DIV_INS_STD}
|
||||
{DIV_INS_BEEPER}
|
||||
);
|
||||
|
||||
sysDefs[DIV_SYSTEM_POKEY]=new DivSysDef(
|
||||
|
|
|
|||
|
|
@ -101,7 +101,7 @@ const char* insTypes[DIV_INS_MAX]={
|
|||
"Konami SCC/Bubble System WSG",
|
||||
"FM (OPZ)",
|
||||
"POKEY",
|
||||
"PC Beeper",
|
||||
"Beeper",
|
||||
"WonderSwan",
|
||||
"Atari Lynx",
|
||||
"VERA",
|
||||
|
|
@ -831,6 +831,7 @@ const int availableSystems[]={
|
|||
DIV_SYSTEM_AY8910,
|
||||
DIV_SYSTEM_AMIGA,
|
||||
DIV_SYSTEM_PCSPKR,
|
||||
DIV_SYSTEM_SFX_BEEPER,
|
||||
DIV_SYSTEM_YMU759,
|
||||
DIV_SYSTEM_DUMMY,
|
||||
DIV_SYSTEM_SOUND_UNIT,
|
||||
|
|
|
|||
|
|
@ -2874,7 +2874,7 @@ void FurnaceGUI::drawInsEdit() {
|
|||
if (ins->type==DIV_INS_GB) {
|
||||
volMax=0;
|
||||
}
|
||||
if (ins->type==DIV_INS_PET) {
|
||||
if (ins->type==DIV_INS_PET || ins->type==DIV_INS_BEEPER) {
|
||||
volMax=1;
|
||||
}
|
||||
if (ins->type==DIV_INS_FDS) {
|
||||
|
|
@ -2906,6 +2906,10 @@ void FurnaceGUI::drawInsEdit() {
|
|||
dutyLabel="Duty/Int";
|
||||
dutyMax=10;
|
||||
}
|
||||
if (ins->type==DIV_INS_BEEPER) {
|
||||
dutyLabel="Pulse Width";
|
||||
dutyMax=255;
|
||||
}
|
||||
if (ins->type==DIV_INS_AY8930) {
|
||||
dutyMax=255;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue