408 lines
9.9 KiB
C++
408 lines
9.9 KiB
C++
/**
|
|
* Furnace Tracker - multi-system chiptune tracker
|
|
* Copyright (C) 2021-2023 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.
|
|
*/
|
|
|
|
#include "msm6258.h"
|
|
#include "../engine.h"
|
|
#include "../../ta-log.h"
|
|
#include "sound/oki/okim6258.h"
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#define rWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
|
|
|
|
const char** DivPlatformMSM6258::getRegisterSheet() {
|
|
return NULL;
|
|
}
|
|
|
|
void DivPlatformMSM6258::acquire(short** buf, size_t len) {
|
|
short* outs[2]={
|
|
&msmOut,
|
|
NULL
|
|
};
|
|
for (size_t h=0; h<len; h++) {
|
|
if (--msmClockCount<0) {
|
|
if (--msmDividerCount<=0) {
|
|
if (!writes.empty()) {
|
|
QueuedWrite& w=writes.front();
|
|
switch (w.addr) {
|
|
case 0:
|
|
msm->ctrl_w(w.val);
|
|
break;
|
|
case 2:
|
|
msmPan=w.val;
|
|
break;
|
|
case 8:
|
|
msmClock=w.val;
|
|
break;
|
|
case 12:
|
|
msmDivider=4-(w.val&3);
|
|
if (msmDivider<2) msmDivider=2;
|
|
break;
|
|
}
|
|
writes.pop();
|
|
}
|
|
|
|
if (sample>=0 && sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(sample);
|
|
unsigned char nextData=(s->dataVOX[samplePos]>>4)|(s->dataVOX[samplePos]<<4);
|
|
if (msm->data_w(nextData)) {
|
|
samplePos++;
|
|
if (samplePos>=(int)s->lengthVOX) {
|
|
sample=-1;
|
|
samplePos=0;
|
|
msm->ctrl_w(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
msm->sound_stream_update(outs,1);
|
|
msmDividerCount=msmDivider;
|
|
}
|
|
msmClockCount=msmClock;
|
|
}
|
|
|
|
if (isMuted[0]) {
|
|
buf[0][h]=0;
|
|
buf[1][h]=0;
|
|
oscBuf[0]->data[oscBuf[0]->needle++]=0;
|
|
} else {
|
|
buf[0][h]=(msmPan&2)?msmOut:0;
|
|
buf[1][h]=(msmPan&1)?msmOut:0;
|
|
oscBuf[0]->data[oscBuf[0]->needle++]=msmPan?(msmOut>>1):0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformMSM6258::tick(bool sysTick) {
|
|
for (int i=0; i<1; i++) {
|
|
if (!parent->song.disableSampleMacro) {
|
|
chan[i].std.next();
|
|
if (chan[i].std.duty.had) {
|
|
if (rateSel!=(chan[i].std.duty.val&3)) {
|
|
rateSel=chan[i].std.duty.val&3;
|
|
rWrite(12,rateSel);
|
|
}
|
|
}
|
|
if (chan[i].std.panL.had) {
|
|
if (chan[i].pan!=(chan[i].std.panL.val&3)) {
|
|
chan[i].pan=chan[i].std.panL.val&3;
|
|
rWrite(2,chan[i].pan);
|
|
}
|
|
}
|
|
if (chan[i].std.ex1.had) {
|
|
if (clockSel!=(chan[i].std.ex1.val&1)) {
|
|
clockSel=chan[i].std.ex1.val&1;
|
|
rWrite(8,clockSel);
|
|
}
|
|
}
|
|
if (chan[i].std.phaseReset.had) {
|
|
if (chan[i].std.phaseReset.val && chan[i].active) {
|
|
chan[i].keyOn=true;
|
|
}
|
|
}
|
|
}
|
|
if (chan[i].keyOn || chan[i].keyOff) {
|
|
samplePos=0;
|
|
rWrite(0,1); // turn off
|
|
if (chan[i].active && !chan[i].keyOff) {
|
|
if (sample>=0 && sample<parent->song.sampleLen) {
|
|
rWrite(0,2);
|
|
} else {
|
|
sample=-1;
|
|
}
|
|
} else {
|
|
sample=-1;
|
|
}
|
|
chan[i].keyOn=false;
|
|
chan[i].keyOff=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformMSM6258::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
|
|
if (ins->type==DIV_INS_MSM6258 || ins->type==DIV_INS_AMIGA) {
|
|
chan[c.chan].furnacePCM=true;
|
|
} else {
|
|
chan[c.chan].furnacePCM=false;
|
|
}
|
|
if (skipRegisterWrites) break;
|
|
if (chan[c.chan].furnacePCM) {
|
|
chan[c.chan].macroInit(ins);
|
|
if (!chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
if (c.value!=DIV_NOTE_NULL) sample=ins->amiga.getSample(c.value);
|
|
samplePos=0;
|
|
if (sample>=0 && sample<parent->song.sampleLen) {
|
|
//DivSample* s=parent->getSample(chan[c.chan].sample);
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
} else {
|
|
break;
|
|
}
|
|
} else {
|
|
chan[c.chan].sample=-1;
|
|
chan[c.chan].macroInit(NULL);
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
if ((12*sampleBank+c.value%12)<0 || (12*sampleBank+c.value%12)>=parent->song.sampleLen) {
|
|
break;
|
|
}
|
|
//DivSample* s=parent->getSample(12*sampleBank+c.value%12);
|
|
sample=12*sampleBank+c.value%12;
|
|
samplePos=0;
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].keyOn=false;
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].macroInit(NULL);
|
|
break;
|
|
case DIV_CMD_NOTE_OFF_ENV:
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].keyOn=false;
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].std.release();
|
|
break;
|
|
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;
|
|
}
|
|
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: {
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
return 2;
|
|
}
|
|
case DIV_CMD_SAMPLE_BANK:
|
|
sampleBank=c.value;
|
|
if (sampleBank>(parent->song.sample.size()/12)) {
|
|
sampleBank=parent->song.sample.size()/12;
|
|
}
|
|
break;
|
|
case DIV_CMD_SAMPLE_FREQ:
|
|
rateSel=c.value&3;
|
|
rWrite(12,rateSel);
|
|
break;
|
|
case DIV_CMD_SAMPLE_MODE:
|
|
clockSel=c.value&1;
|
|
rWrite(8,clockSel);
|
|
break;
|
|
case DIV_CMD_PANNING: {
|
|
if (c.value==0 && c.value2==0) {
|
|
chan[c.chan].pan=3;
|
|
} else {
|
|
chan[c.chan].pan=(c.value2>0)|((c.value>0)<<1);
|
|
}
|
|
rWrite(2,chan[c.chan].pan);
|
|
break;
|
|
}
|
|
case DIV_CMD_LEGATO: {
|
|
break;
|
|
}
|
|
case DIV_CMD_MACRO_OFF:
|
|
chan[c.chan].std.mask(c.value,true);
|
|
break;
|
|
case DIV_CMD_MACRO_ON:
|
|
chan[c.chan].std.mask(c.value,false);
|
|
break;
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 0;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 8;
|
|
break;
|
|
case DIV_CMD_PRE_PORTA:
|
|
break;
|
|
case DIV_CMD_PRE_NOTE:
|
|
break;
|
|
default:
|
|
//printf("WARNING: unimplemented command %d\n",c.cmd);
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformMSM6258::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
}
|
|
|
|
void DivPlatformMSM6258::forceIns() {
|
|
while (!writes.empty()) writes.pop();
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
rWrite(12,rateSel);
|
|
rWrite(8,clockSel);
|
|
rWrite(2,chan[0].pan);
|
|
}
|
|
|
|
void* DivPlatformMSM6258::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformMSM6258::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformMSM6258::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformMSM6258::getRegisterPool() {
|
|
return NULL;
|
|
}
|
|
|
|
int DivPlatformMSM6258::getRegisterPoolSize() {
|
|
return 0;
|
|
}
|
|
|
|
void DivPlatformMSM6258::poke(unsigned int addr, unsigned short val) {
|
|
//immWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformMSM6258::poke(std::vector<DivRegWrite>& wlist) {
|
|
//for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
void DivPlatformMSM6258::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
msm->device_reset();
|
|
msmClock=chipClock;
|
|
msmDivider=2;
|
|
msmDividerCount=0;
|
|
msmClock=0;
|
|
msmClockCount=0;
|
|
msmPan=3;
|
|
rateSel=2;
|
|
clockSel=0;
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
for (int i=0; i<1; i++) {
|
|
chan[i]=DivPlatformMSM6258::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].vol=8;
|
|
chan[i].outVol=8;
|
|
}
|
|
|
|
sampleBank=0;
|
|
sample=-1;
|
|
samplePos=0;
|
|
|
|
delay=0;
|
|
}
|
|
|
|
int DivPlatformMSM6258::getOutputCount() {
|
|
return 2;
|
|
}
|
|
|
|
bool DivPlatformMSM6258::keyOffAffectsArp(int ch) {
|
|
return false;
|
|
}
|
|
|
|
void DivPlatformMSM6258::notifyInsChange(int ins) {
|
|
for (int i=0; i<1; i++) {
|
|
if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformMSM6258::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformMSM6258::setFlags(const DivConfig& flags) {
|
|
switch (flags.getInt("clockSel",0)) {
|
|
case 3:
|
|
chipClock=8192000;
|
|
break;
|
|
case 2:
|
|
chipClock=8000000;
|
|
break;
|
|
case 1:
|
|
chipClock=4096000;
|
|
break;
|
|
default:
|
|
chipClock=4000000;
|
|
break;
|
|
}
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock/256;
|
|
for (int i=0; i<1; i++) {
|
|
oscBuf[i]->rate=rate;
|
|
}
|
|
}
|
|
|
|
int DivPlatformMSM6258::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
updateOsc=0;
|
|
for (int i=0; i<1; i++) {
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
msm=new okim6258_device(4000000);
|
|
msm->device_start();
|
|
setFlags(flags);
|
|
reset();
|
|
return 4;
|
|
}
|
|
|
|
void DivPlatformMSM6258::quit() {
|
|
for (int i=0; i<1; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
delete msm;
|
|
}
|
|
|
|
DivPlatformMSM6258::~DivPlatformMSM6258() {
|
|
}
|