888 lines
26 KiB
C++
888 lines
26 KiB
C++
/**
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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 "ay.h"
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#include "../engine.h"
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#include "../../ta-log.h"
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#include "sound/ay8910.h"
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#include <string.h>
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#include <math.h>
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#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
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#define immWrite(a,v) if (!skipRegisterWrites) {writes.emplace(regRemap(a),v); if (dumpWrites) {addWrite(regRemap(a),v);} }
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#define CHIP_DIVIDER (extMode?extDiv:((sunsoft||clockSel)?16:8))
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const char* regCheatSheetAY[]={
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"FreqL_A", "0",
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"FreqH_A", "1",
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"FreqL_B", "2",
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"FreqH_B", "3",
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"FreqL_C", "4",
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"FreqH_C", "5",
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"FreqNoise", "6",
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"Enable", "7",
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"Volume_A", "8",
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"Volume_B", "9",
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"Volume_C", "A",
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"FreqL_Env", "B",
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"FreqH_Env", "C",
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"Control_Env", "D",
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"PortA", "E",
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"PortB", "F",
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NULL
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};
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const char* regCheatSheetAY8914[]={
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"FreqL_A", "0",
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"FreqL_B", "1",
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"FreqL_C", "2",
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"FreqL_Env", "3",
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"FreqH_A", "4",
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"FreqH_B", "5",
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"FreqH_C", "6",
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"FreqH_Env", "7",
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"Enable", "8",
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"FreqNoise", "9",
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"Control_Env", "A",
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"Volume_A", "B",
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"Volume_B", "C",
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"Volume_C", "D",
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"PortA", "E",
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"PortB", "F",
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NULL
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};
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// taken from ay8910.cpp
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const int sunsoftVolTable[32]={
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103350, 73770, 52657, 37586, 32125, 27458, 24269, 21451,
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18447, 15864, 14009, 12371, 10506, 8922, 7787, 6796,
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5689, 4763, 4095, 3521, 2909, 2403, 2043, 1737,
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1397, 1123, 925, 762, 578, 438, 332, 251
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};
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const char** DivPlatformAY8910::getRegisterSheet() {
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return intellivision?regCheatSheetAY8914:regCheatSheetAY;
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}
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/* C program to generate this table:
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#include <stdio.h>
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#include <math.h>
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int main(int argc, char** argv) {
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for (int i=0; i<256; i++) {
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if ((i&15)==0) printf("\n ");
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printf(" %d,",(int)round(pow((double)i/255.0,0.36)*15.0));
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}
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}
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*/
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const unsigned char dacLogTableAY[256]={
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0, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5,
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6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7,
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7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11,
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11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
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11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12,
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12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
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12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13,
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13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
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13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14,
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14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
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14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
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14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15,
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15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15
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};
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void DivPlatformAY8910::runDAC() {
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for (int i=0; i<3; i++) {
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if (chan[i].active && chan[i].curPSGMode.dac && chan[i].dac.sample!=-1) {
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chan[i].dac.period+=chan[i].dac.rate;
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bool end=false;
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bool changed=false;
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int prevOut=chan[i].dac.out;
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while (chan[i].dac.period>rate && !end) {
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DivSample* s=parent->getSample(chan[i].dac.sample);
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if (s->samples<=0) {
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chan[i].dac.sample=-1;
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immWrite(0x08+i,0);
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end=true;
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break;
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}
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unsigned char dacData=dacLogTableAY[(unsigned char)s->data8[chan[i].dac.pos]^0x80];
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chan[i].dac.out=(chan[i].active && !isMuted[i])?MAX(0,dacData-(15-chan[i].outVol)):0;
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if (prevOut!=chan[i].dac.out) {
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prevOut=chan[i].dac.out;
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changed=true;
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}
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chan[i].dac.pos++;
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if (s->isLoopable() && chan[i].dac.pos>=s->loopEnd) {
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chan[i].dac.pos=s->loopStart;
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} else if (chan[i].dac.pos>=(int)s->samples) {
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chan[i].dac.sample=-1;
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//immWrite(0x08+i,0);
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end=true;
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break;
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}
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chan[i].dac.period-=rate;
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}
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if (changed && !end) {
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if (!isMuted[i]) {
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immWrite(0x08+i,chan[i].dac.out);
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}
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}
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}
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}
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}
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void DivPlatformAY8910::checkWrites() {
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while (!writes.empty()) {
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QueuedWrite w=writes.front();
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if (intellivision) {
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ay8914_device* ay8914=(ay8914_device*)ay;
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ay8914->write(w.addr,w.val);
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} else {
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ay->address_w(w.addr);
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ay->data_w(w.val);
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}
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regPool[w.addr&0x0f]=w.val;
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writes.pop();
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}
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}
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void DivPlatformAY8910::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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if (ayBufLen<len) {
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ayBufLen=len;
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for (int i=0; i<3; i++) {
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delete[] ayBuf[i];
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ayBuf[i]=new short[ayBufLen];
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}
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}
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if (sunsoft) {
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for (size_t i=0; i<len; i++) {
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runDAC();
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checkWrites();
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ay->sound_stream_update(ayBuf,1);
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bufL[i+start]=ayBuf[0][0];
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bufR[i+start]=bufL[i+start];
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oscBuf[0]->data[oscBuf[0]->needle++]=sunsoftVolTable[31-(ay->lastIndx&31)]>>3;
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oscBuf[1]->data[oscBuf[1]->needle++]=sunsoftVolTable[31-((ay->lastIndx>>5)&31)]>>3;
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oscBuf[2]->data[oscBuf[2]->needle++]=sunsoftVolTable[31-((ay->lastIndx>>10)&31)]>>3;
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}
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} else {
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for (size_t i=0; i<len; i++) {
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runDAC();
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checkWrites();
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ay->sound_stream_update(ayBuf,1);
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if (stereo) {
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bufL[i+start]=ayBuf[0][0]+ayBuf[1][0]+((ayBuf[2][0]*stereoSep)>>8);
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bufR[i+start]=((ayBuf[0][0]*stereoSep)>>8)+ayBuf[1][0]+ayBuf[2][0];
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} else {
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bufL[i+start]=ayBuf[0][0]+ayBuf[1][0]+ayBuf[2][0];
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bufR[i+start]=bufL[i+start];
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}
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oscBuf[0]->data[oscBuf[0]->needle++]=ayBuf[0][0]<<2;
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oscBuf[1]->data[oscBuf[1]->needle++]=ayBuf[1][0]<<2;
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oscBuf[2]->data[oscBuf[2]->needle++]=ayBuf[2][0]<<2;
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}
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}
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}
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void DivPlatformAY8910::updateOutSel(bool immediate) {
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if (immediate) {
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immWrite(0x07,
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~((chan[0].curPSGMode.getTone())|
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((chan[1].curPSGMode.getTone())<<1)|
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((chan[2].curPSGMode.getTone())<<2)|
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((chan[0].curPSGMode.getNoise())<<2)|
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((chan[1].curPSGMode.getNoise())<<3)|
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((chan[2].curPSGMode.getNoise())<<4)|
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((!ioPortA)<<6)|
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((!ioPortB)<<7)));
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} else {
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rWrite(0x07,
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~((chan[0].curPSGMode.getTone())|
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((chan[1].curPSGMode.getTone())<<1)|
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((chan[2].curPSGMode.getTone())<<2)|
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((chan[0].curPSGMode.getNoise())<<2)|
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((chan[1].curPSGMode.getNoise())<<3)|
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((chan[2].curPSGMode.getNoise())<<4)|
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((!ioPortA)<<6)|
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((!ioPortB)<<7)));
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}
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}
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void DivPlatformAY8910::tick(bool sysTick) {
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// PSG
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for (int i=0; i<3; 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=MIN(15,chan[i].std.vol.val)-(15-(chan[i].vol&15));
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if (chan[i].outVol<0) chan[i].outVol=0;
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if (!chan[i].nextPSGMode.dac) {
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if (isMuted[i]) {
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rWrite(0x08+i,0);
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} else if (intellivision && (chan[i].nextPSGMode.getEnvelope())) {
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rWrite(0x08+i,(chan[i].outVol&0xc)<<2);
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} else {
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rWrite(0x08+i,(chan[i].outVol&15)|((chan[i].nextPSGMode.getEnvelope())<<2));
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}
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}
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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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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.duty.had) {
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rWrite(0x06,31-chan[i].std.duty.val);
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}
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if (chan[i].std.wave.had) {
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if (!chan[i].nextPSGMode.dac) {
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chan[i].nextPSGMode.val=(chan[i].std.wave.val+1)&7;
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if (chan[i].active) {
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chan[i].curPSGMode.val=chan[i].nextPSGMode.val;
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}
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if (isMuted[i]) {
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rWrite(0x08+i,0);
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} else if (intellivision && (chan[i].nextPSGMode.getEnvelope())) {
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rWrite(0x08+i,(chan[i].outVol&0xc)<<2);
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} else {
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rWrite(0x08+i,(chan[i].outVol&15)|((chan[i].nextPSGMode.getEnvelope())<<2));
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}
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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,-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].std.phaseReset.had) {
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if (chan[i].std.phaseReset.val==1) {
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if (chan[i].nextPSGMode.dac) {
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if (dumpWrites) addWrite(0xffff0002+(i<<8),0);
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DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AY);
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chan[i].dac.sample=ins->amiga.getSample(chan[i].note);
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if (chan[i].dac.sample<0 || chan[i].dac.sample>=parent->song.sampleLen) {
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if (dumpWrites) {
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rWrite(0x08+i,0);
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addWrite(0xffff0000+(i<<8),chan[i].dac.sample);
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}
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chan[i].dac.pos=0;
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chan[i].dac.period=0;
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chan[i].keyOn=true;
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}
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}
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oldWrites[0x08+i]=-1;
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oldWrites[0x0d]=-1;
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}
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}
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if (chan[i].std.ex2.had) {
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ayEnvMode=chan[i].std.ex2.val;
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rWrite(0x0d,ayEnvMode);
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}
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if (chan[i].std.ex3.had) {
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chan[i].autoEnvNum=chan[i].std.ex3.val;
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chan[i].freqChanged=true;
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if (!chan[i].std.alg.will) chan[i].autoEnvDen=1;
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}
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if (chan[i].std.alg.had) {
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chan[i].autoEnvDen=chan[i].std.alg.val;
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chan[i].freqChanged=true;
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if (!chan[i].std.ex3.will) chan[i].autoEnvNum=1;
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}
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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,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
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if (chan[i].dac.furnaceDAC) {
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double off=1.0;
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if (chan[i].dac.sample>=0 && chan[i].dac.sample<parent->song.sampleLen) {
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DivSample* s=parent->getSample(chan[i].dac.sample);
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if (s->centerRate<1) {
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off=1.0;
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} else {
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off=8363.0/(double)s->centerRate;
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}
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}
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chan[i].dac.rate=((double)rate*((sunsoft||clockSel)?8.0:16.0))/(double)(MAX(1,off*chan[i].freq));
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if (dumpWrites) addWrite(0xffff0001+(i<<8),chan[i].dac.rate);
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}
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if (chan[i].freq>4095) chan[i].freq=4095;
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if (chan[i].keyOn) {
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//rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(ins->gb.soundLen&63)));
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//rWrite(16+i*5+2,((chan[i].vol<<4))|(ins->gb.envLen&7)|((ins->gb.envDir&1)<<3));
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if (!chan[i].nextPSGMode.dac) {
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chan[i].curPSGMode.val=chan[i].nextPSGMode.val;
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}
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}
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if (chan[i].keyOff) {
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chan[i].curPSGMode.val=0;
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rWrite(0x08+i,0);
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}
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rWrite((i)<<1,chan[i].freq&0xff);
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rWrite(1+((i)<<1),chan[i].freq>>8);
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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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if (chan[i].freqChanged && chan[i].autoEnvNum>0 && chan[i].autoEnvDen>0) {
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ayEnvPeriod=(chan[i].freq*chan[i].autoEnvDen/chan[i].autoEnvNum)>>4;
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immWrite(0x0b,ayEnvPeriod);
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immWrite(0x0c,ayEnvPeriod>>8);
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}
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chan[i].freqChanged=false;
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}
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}
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updateOutSel();
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if (ayEnvSlide!=0) {
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ayEnvSlideLow+=ayEnvSlide;
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while (ayEnvSlideLow>7) {
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ayEnvSlideLow-=8;
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if (ayEnvPeriod<0xffff) {
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ayEnvPeriod++;
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immWrite(0x0b,ayEnvPeriod);
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immWrite(0x0c,ayEnvPeriod>>8);
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}
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}
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while (ayEnvSlideLow<-7) {
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ayEnvSlideLow+=8;
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if (ayEnvPeriod>0) {
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ayEnvPeriod--;
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immWrite(0x0b,ayEnvPeriod);
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immWrite(0x0c,ayEnvPeriod>>8);
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}
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}
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}
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for (int i=0; i<16; i++) {
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if (pendingWrites[i]!=oldWrites[i]) {
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immWrite(i,pendingWrites[i]&0xff);
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oldWrites[i]=pendingWrites[i];
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}
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}
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}
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int DivPlatformAY8910::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_AY);
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if (!parent->song.disableSampleMacro && (ins->type==DIV_INS_AMIGA || ins->amiga.useSample)) {
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chan[c.chan].nextPSGMode.dac=true;
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} else if (chan[c.chan].dac.furnaceDAC) {
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chan[c.chan].nextPSGMode.dac=false;
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}
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if (chan[c.chan].nextPSGMode.dac) {
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if (skipRegisterWrites) break;
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if (!parent->song.disableSampleMacro && (ins->type==DIV_INS_AMIGA || ins->amiga.useSample)) {
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chan[c.chan].dac.sample=ins->amiga.getSample(c.value);
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if (chan[c.chan].dac.sample<0 || chan[c.chan].dac.sample>=parent->song.sampleLen) {
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chan[c.chan].dac.sample=-1;
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if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
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break;
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} else {
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if (dumpWrites) {
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rWrite(0x08+c.chan,0);
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addWrite(0xffff0000+(c.chan<<8),chan[c.chan].dac.sample);
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}
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|
}
|
|
chan[c.chan].dac.pos=0;
|
|
chan[c.chan].dac.period=0;
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].macroInit(ins);
|
|
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
//chan[c.chan].keyOn=true;
|
|
chan[c.chan].dac.furnaceDAC=true;
|
|
} else {
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].dac.sample=12*sampleBank+chan[c.chan].note%12;
|
|
if (chan[c.chan].dac.sample>=parent->song.sampleLen) {
|
|
chan[c.chan].dac.sample=-1;
|
|
if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
|
|
break;
|
|
} else {
|
|
if (dumpWrites) addWrite(0xffff0000+(c.chan<<8),chan[c.chan].dac.sample);
|
|
}
|
|
chan[c.chan].dac.pos=0;
|
|
chan[c.chan].dac.period=0;
|
|
chan[c.chan].dac.rate=parent->getSample(chan[c.chan].dac.sample)->rate*2048;
|
|
if (dumpWrites) {
|
|
rWrite(0x08+c.chan,0);
|
|
addWrite(0xffff0001+(c.chan<<8),chan[c.chan].dac.rate);
|
|
}
|
|
chan[c.chan].dac.furnaceDAC=false;
|
|
}
|
|
chan[c.chan].curPSGMode.dac=chan[c.chan].nextPSGMode.dac;
|
|
break;
|
|
}
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
chan[c.chan].macroInit(ins);
|
|
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
if (!chan[c.chan].nextPSGMode.dac) {
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x08+c.chan,0);
|
|
} else if (intellivision && (chan[c.chan].nextPSGMode.getEnvelope())) {
|
|
rWrite(0x08+c.chan,(chan[c.chan].vol&0xc)<<2);
|
|
} else {
|
|
rWrite(0x08+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].nextPSGMode.getEnvelope())<<2));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
chan[c.chan].dac.sample=-1;
|
|
if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
|
|
chan[c.chan].nextPSGMode.dac=false;
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].macroInit(NULL);
|
|
break;
|
|
case DIV_CMD_NOTE_OFF_ENV:
|
|
case DIV_CMD_ENV_RELEASE:
|
|
chan[c.chan].std.release();
|
|
break;
|
|
case DIV_CMD_VOLUME: {
|
|
chan[c.chan].vol=c.value;
|
|
if (!chan[c.chan].std.vol.has) {
|
|
chan[c.chan].outVol=c.value;
|
|
}
|
|
if (!chan[c.chan].nextPSGMode.dac) {
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x08+c.chan,0);
|
|
} else {
|
|
if (chan[c.chan].active) {
|
|
if (intellivision && (chan[c.chan].nextPSGMode.getEnvelope())) {
|
|
rWrite(0x08+c.chan,(chan[c.chan].vol&0xc)<<2);
|
|
} else {
|
|
rWrite(0x08+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].nextPSGMode.getEnvelope())<<2));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_GET_VOLUME: {
|
|
return chan[c.chan].vol;
|
|
break;
|
|
}
|
|
case DIV_CMD_INSTRUMENT:
|
|
if (chan[c.chan].ins!=c.value || c.value2==1) {
|
|
chan[c.chan].insChanged=true;
|
|
}
|
|
chan[c.chan].ins=c.value;
|
|
break;
|
|
case DIV_CMD_PITCH: {
|
|
chan[c.chan].pitch=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
int destFreq=NOTE_PERIODIC(c.value2);
|
|
bool return2=false;
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
chan[c.chan].baseFreq+=c.value;
|
|
if (chan[c.chan].baseFreq>=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
chan[c.chan].baseFreq-=c.value;
|
|
if (chan[c.chan].baseFreq<=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_LEGATO: {
|
|
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_STD_NOISE_MODE:
|
|
if (!chan[c.chan].nextPSGMode.dac) {
|
|
if (c.value<16) {
|
|
chan[c.chan].nextPSGMode.val=(c.value+1)&7;
|
|
if (chan[c.chan].active) {
|
|
chan[c.chan].curPSGMode.val=chan[c.chan].nextPSGMode.val;
|
|
}
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x08+c.chan,0);
|
|
} else if (chan[c.chan].active) {
|
|
if (intellivision && (chan[c.chan].nextPSGMode.getEnvelope())) {
|
|
rWrite(0x08+c.chan,(chan[c.chan].outVol&0xc)<<2);
|
|
} else {
|
|
rWrite(0x08+c.chan,(chan[c.chan].outVol&15)|((chan[c.chan].nextPSGMode.getEnvelope())<<2));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case DIV_CMD_STD_NOISE_FREQ:
|
|
rWrite(0x06,31-c.value);
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_SET:
|
|
ayEnvMode=c.value>>4;
|
|
rWrite(0x0d,ayEnvMode);
|
|
if (c.value&15) {
|
|
chan[c.chan].nextPSGMode.envelope|=1;
|
|
} else {
|
|
chan[c.chan].nextPSGMode.envelope&=~1;
|
|
}
|
|
if (!chan[c.chan].nextPSGMode.dac && chan[c.chan].active) {
|
|
chan[c.chan].curPSGMode.val=chan[c.chan].nextPSGMode.val;
|
|
}
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x08+c.chan,0);
|
|
} else if (intellivision && (chan[c.chan].nextPSGMode.getEnvelope())) {
|
|
rWrite(0x08+c.chan,(chan[c.chan].vol&0xc)<<2);
|
|
} else {
|
|
rWrite(0x08+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].nextPSGMode.getEnvelope())<<2));
|
|
}
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_LOW:
|
|
ayEnvPeriod&=0xff00;
|
|
ayEnvPeriod|=c.value;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_HIGH:
|
|
ayEnvPeriod&=0xff;
|
|
ayEnvPeriod|=c.value<<8;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_SLIDE:
|
|
ayEnvSlide=c.value;
|
|
break;
|
|
case DIV_CMD_AY_AUTO_ENVELOPE:
|
|
chan[c.chan].autoEnvNum=c.value>>4;
|
|
chan[c.chan].autoEnvDen=c.value&15;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
case DIV_CMD_AY_IO_WRITE:
|
|
if (c.value==255) break;
|
|
if (c.value) { // port B
|
|
ioPortB=true;
|
|
portBVal=c.value2;
|
|
logI("AY I/O port B write: %x",portBVal);
|
|
} else { // port A
|
|
ioPortA=true;
|
|
portAVal=c.value2;
|
|
logI("AY I/O port A write: %x",portAVal);
|
|
}
|
|
updateOutSel(true);
|
|
immWrite(14+(c.value?1:0),(c.value?portBVal:portAVal));
|
|
break;
|
|
case DIV_CMD_SAMPLE_MODE:
|
|
chan[c.chan].nextPSGMode.dac=(c.value>0)?1:0;
|
|
if (chan[c.chan].active) {
|
|
chan[c.chan].curPSGMode.dac=chan[c.chan].nextPSGMode.dac;
|
|
}
|
|
break;
|
|
case DIV_CMD_SAMPLE_BANK:
|
|
sampleBank=c.value;
|
|
if (sampleBank>(parent->song.sample.size()/12)) {
|
|
sampleBank=parent->song.sample.size()/12;
|
|
}
|
|
break;
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 0;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 15;
|
|
break;
|
|
case DIV_CMD_PRE_PORTA:
|
|
// TODO: FIX wtr_envelope.dmf
|
|
// the brokenPortaArp update broke it
|
|
if (chan[c.chan].active && c.value2) {
|
|
if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AY));
|
|
}
|
|
if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will) chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_PRE_NOTE:
|
|
break;
|
|
default:
|
|
//printf("WARNING: unimplemented command %d\n",c.cmd);
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformAY8910::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
if (isMuted[ch]) {
|
|
rWrite(0x08+ch,0);
|
|
} else if (chan[ch].active && chan[ch].nextPSGMode.dac) {
|
|
rWrite(0x08+ch,chan[ch].dac.out);
|
|
} else {
|
|
if (intellivision && (chan[ch].nextPSGMode.getEnvelope()) && chan[ch].active) {
|
|
rWrite(0x08+ch,(chan[ch].vol&0xc)<<2);
|
|
} else if (chan[ch].active) {
|
|
rWrite(0x08+ch,(chan[ch].outVol&15)|((chan[ch].nextPSGMode.getEnvelope())<<2));
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformAY8910::forceIns() {
|
|
for (int i=0; i<3; i++) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
immWrite(0x0d,ayEnvMode);
|
|
}
|
|
|
|
void* DivPlatformAY8910::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformAY8910::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformAY8910::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformAY8910::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformAY8910::getRegisterPoolSize() {
|
|
return 16;
|
|
}
|
|
|
|
void DivPlatformAY8910::flushWrites() {
|
|
while (!writes.empty()) writes.pop();
|
|
}
|
|
|
|
bool DivPlatformAY8910::getDCOffRequired() {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformAY8910::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
ay->device_reset();
|
|
memset(regPool,0,16);
|
|
for (int i=0; i<3; i++) {
|
|
chan[i]=DivPlatformAY8910::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
chan[i].vol=0x0f;
|
|
}
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
|
|
for (int i=0; i<16; i++) {
|
|
oldWrites[i]=-1;
|
|
pendingWrites[i]=-1;
|
|
}
|
|
|
|
sampleBank=0;
|
|
ayEnvPeriod=0;
|
|
ayEnvMode=0;
|
|
ayEnvSlide=0;
|
|
ayEnvSlideLow=0;
|
|
|
|
delay=0;
|
|
|
|
ioPortA=false;
|
|
ioPortB=false;
|
|
portAVal=0;
|
|
portBVal=0;
|
|
}
|
|
|
|
bool DivPlatformAY8910::isStereo() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformAY8910::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformAY8910::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<3; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformAY8910::poke(unsigned int addr, unsigned short val) {
|
|
immWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformAY8910::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
void DivPlatformAY8910::setExtClockDiv(unsigned int eclk, unsigned char ediv) {
|
|
if (extMode) {
|
|
extClock=eclk;
|
|
extDiv=ediv;
|
|
}
|
|
}
|
|
|
|
void DivPlatformAY8910::setFlags(const DivConfig& flags) {
|
|
if (extMode) {
|
|
chipClock=extClock;
|
|
rate=chipClock/extDiv;
|
|
clockSel=false;
|
|
} else {
|
|
clockSel=flags.getBool("halfClock",false);
|
|
switch (flags.getInt("clockSel",0)) {
|
|
case 1:
|
|
chipClock=COLOR_PAL*2.0/5.0;
|
|
break;
|
|
case 2:
|
|
chipClock=1750000;
|
|
break;
|
|
case 3:
|
|
chipClock=2000000;
|
|
break;
|
|
case 4:
|
|
chipClock=1500000;
|
|
break;
|
|
case 5:
|
|
chipClock=1000000;
|
|
break;
|
|
case 6:
|
|
chipClock=COLOR_NTSC/4.0;
|
|
break;
|
|
case 7:
|
|
chipClock=COLOR_PAL*3.0/8.0;
|
|
break;
|
|
case 8:
|
|
chipClock=COLOR_PAL*3.0/16.0;
|
|
break;
|
|
case 9:
|
|
chipClock=COLOR_PAL/4.0;
|
|
break;
|
|
case 10:
|
|
chipClock=2097152;
|
|
break;
|
|
case 11:
|
|
chipClock=COLOR_NTSC;
|
|
break;
|
|
case 12:
|
|
chipClock=3600000;
|
|
break;
|
|
case 13:
|
|
chipClock=20000000/16;
|
|
break;
|
|
case 14:
|
|
chipClock=1536000;
|
|
break;
|
|
default:
|
|
chipClock=COLOR_NTSC/2.0;
|
|
break;
|
|
}
|
|
rate=chipClock/8;
|
|
}
|
|
for (int i=0; i<3; i++) {
|
|
oscBuf[i]->rate=rate;
|
|
}
|
|
|
|
if (ay!=NULL) delete ay;
|
|
switch (flags.getInt("chipType",0)) {
|
|
case 1:
|
|
ay=new ym2149_device(rate,clockSel);
|
|
sunsoft=false;
|
|
intellivision=false;
|
|
break;
|
|
case 2:
|
|
ay=new sunsoft_5b_sound_device(rate);
|
|
sunsoft=true;
|
|
intellivision=false;
|
|
break;
|
|
case 3:
|
|
ay=new ay8914_device(rate);
|
|
sunsoft=false;
|
|
intellivision=true;
|
|
break;
|
|
default:
|
|
ay=new ay8910_device(rate);
|
|
sunsoft=false;
|
|
intellivision=false;
|
|
break;
|
|
}
|
|
ay->device_start();
|
|
ay->device_reset();
|
|
|
|
stereo=flags.getBool("stereo",false);
|
|
stereoSep=flags.getInt("stereoSep",0)&255;
|
|
}
|
|
|
|
int DivPlatformAY8910::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<3; i++) {
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
ay=NULL;
|
|
setFlags(flags);
|
|
ayBufLen=65536;
|
|
for (int i=0; i<3; i++) ayBuf[i]=new short[ayBufLen];
|
|
reset();
|
|
return 3;
|
|
}
|
|
|
|
void DivPlatformAY8910::quit() {
|
|
for (int i=0; i<3; i++) {
|
|
delete oscBuf[i];
|
|
delete[] ayBuf[i];
|
|
}
|
|
if (ay!=NULL) delete ay;
|
|
}
|