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furnace/src/engine/platform/gb.cpp

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/**
* 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 "gb.h"
#include "../engine.h"
#include "../../ta-log.h"
#include <math.h>
#define rWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite(a,v)); regPool[(a)&0x7f]=v; if (dumpWrites) {addWrite(a,v);} }
#define immWrite(a,v) {writes.push(QueuedWrite(a,v)); regPool[(a)&0x7f]=v; if (dumpWrites) {addWrite(a,v);} }
#define CHIP_DIVIDER 16
const char* regCheatSheetGB[]={
"NR10_Sweep", "10",
"NR11_DutyLen", "11",
"NR12_VolEnv", "12",
"NR13_FreqL", "13",
"NR14_FreqH", "14",
"NR21_DutyLen", "16",
"NR22_VolEnv", "17",
"NR23_FreqL", "18",
"NR24_FreqH", "19",
"NR30_WaveOn", "1A",
"NR31_Len", "1B",
"NR32_Vol", "1C",
"NR33_FreqL", "1D",
"NR34_FreqH", "1E",
"NR41_Len", "20",
"NR42_VolEnv", "21",
"NR43_Freq", "22",
"NR44_Control", "23",
"NR50_MasterVol", "24",
"NR51_Toggle", "25",
"NR52_PowerStat", "26",
"Wave", "30",
NULL
};
const char** DivPlatformGB::getRegisterSheet() {
return regCheatSheetGB;
}
void DivPlatformGB::acquire(short** buf, size_t len) {
for (size_t i=0; i<len; i++) {
if (!writes.empty()) {
QueuedWrite& w=writes.front();
GB_apu_write(gb,w.addr,w.val);
writes.pop();
}
GB_advance_cycles(gb,16);
buf[0][i]=gb->apu_output.final_sample.left;
buf[1][i]=gb->apu_output.final_sample.right;
for (int i=0; i<4; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=(gb->apu_output.current_sample[i].left+gb->apu_output.current_sample[i].right)<<6;
}
}
}
void DivPlatformGB::updateWave() {
logV("WAVE UPDATE");
rWrite(0x1a,0);
for (int i=0; i<16; i++) {
int nibble1=ws.output[((i<<1)+antiClickWavePos)&31];
int nibble2=ws.output[((1+(i<<1))+antiClickWavePos)&31];
if (invertWave) {
nibble1^=15;
nibble2^=15;
}
rWrite(0x30+i,(nibble1<<4)|nibble2);
}
antiClickWavePos&=31;
}
static unsigned char chanMuteMask[4]={
0xee, 0xdd, 0xbb, 0x77
};
unsigned char DivPlatformGB::procMute() {
return lastPan&(isMuted[0]?chanMuteMask[0]:0xff)
&(isMuted[1]?chanMuteMask[1]:0xff)
&(isMuted[2]?chanMuteMask[2]:0xff)
&(isMuted[3]?chanMuteMask[3]:0xff);
}
static unsigned char gbVolMap[16]={
0x00, 0x00, 0x00, 0x00,
0x60, 0x60, 0x60, 0x60,
0x40, 0x40, 0x40, 0x40,
0x20, 0x20, 0x20, 0x20
};
static unsigned char noiseTable[256]={
0,
0xf7, 0xf6, 0xf5, 0xf4,
0xe7, 0xe6, 0xe5, 0xe4,
0xd7, 0xd6, 0xd5, 0xd4,
0xc7, 0xc6, 0xc5, 0xc4,
0xb7, 0xb6, 0xb5, 0xb4,
0xa7, 0xa6, 0xa5, 0xa4,
0x97, 0x96, 0x95, 0x94,
0x87, 0x86, 0x85, 0x84,
0x77, 0x76, 0x75, 0x74,
0x67, 0x66, 0x65, 0x64,
0x57, 0x56, 0x55, 0x54,
0x47, 0x46, 0x45, 0x44,
0x37, 0x36, 0x35, 0x34,
0x27, 0x26, 0x25, 0x24,
0x17, 0x16, 0x15, 0x14,
0x07, 0x06, 0x05, 0x04,
0x03, 0x02, 0x01, 0x00,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
void DivPlatformGB::tick(bool sysTick) {
if (antiClickEnabled && sysTick && chan[2].freq>0) {
antiClickPeriodCount+=((chipClock>>1)/MAX(parent->getCurHz(),1.0f));
antiClickWavePos+=antiClickPeriodCount/chan[2].freq;
antiClickPeriodCount%=chan[2].freq;
}
for (int i=0; i<4; i++) {
chan[i].std.next();
if (chan[i].softEnv) {
if (chan[i].std.vol.had) {
chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol&15,MIN(15,chan[i].std.vol.val),15);
if (chan[i].outVol<0) chan[i].outVol=0;
if (i==2) {
rWrite(16+i*5+2,gbVolMap[chan[i].outVol]);
chan[i].soundLen=64;
} else {
chan[i].envLen=0;
chan[i].envDir=1;
chan[i].envVol=chan[i].outVol;
chan[i].soundLen=64;
if (!chan[i].keyOn) chan[i].killIt=true;
}
}
}
if (NEW_ARP_STRAT && i!=3) {
chan[i].handleArp();
} else if (chan[i].std.arp.had) {
if (i==3) { // noise
chan[i].baseFreq=parent->calcArp(chan[i].note,chan[i].std.arp.val,24);
if (chan[i].baseFreq>255) chan[i].baseFreq=255;
if (chan[i].baseFreq<0) chan[i].baseFreq=0;
} else {
if (!chan[i].inPorta) {
chan[i].baseFreq=NOTE_PERIODIC(parent->calcArp(chan[i].note,chan[i].std.arp.val,24));
}
}
chan[i].freqChanged=true;
}
if (chan[i].std.duty.had) {
chan[i].duty=chan[i].std.duty.val;
if (i!=2) {
rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(chan[i].soundLen&63)));
} else if (!chan[i].softEnv) {
if (parent->song.waveDutyIsVol) {
rWrite(16+i*5+2,gbVolMap[(chan[i].std.duty.val&3)<<2]);
}
}
}
if (i==2 && chan[i].std.wave.had) {
if (chan[i].wave!=chan[i].std.wave.val || ws.activeChanged()) {
chan[i].wave=chan[i].std.wave.val;
ws.changeWave1(chan[i].wave);
if (!chan[i].keyOff) chan[i].keyOn=true;
}
}
if (chan[i].std.panL.had) {
lastPan&=~(0x11<<i);
lastPan|=((chan[i].std.panL.val&1)<<i)|((chan[i].std.panL.val&2)<<(i+3));
rWrite(0x25,procMute());
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
chan[i].pitch2+=chan[i].std.pitch.val;
CLAMP_VAR(chan[i].pitch2,-32768,32767);
} else {
chan[i].pitch2=chan[i].std.pitch.val;
}
chan[i].freqChanged=true;
}
if (chan[i].std.phaseReset.had) {
if (chan[i].std.phaseReset.val==1) {
chan[i].keyOn=true;
if (i==2) {
antiClickWavePos=0;
antiClickPeriodCount=0;
}
}
}
if (i==2) {
if (chan[i].active) {
if (ws.tick()) {
updateWave();
if (!chan[i].keyOff) chan[i].keyOn=true;
}
}
}
// run hardware sequence
if (chan[i].active) {
if (--chan[i].hwSeqDelay<=0) {
chan[i].hwSeqDelay=0;
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_GB);
int hwSeqCount=0;
while (chan[i].hwSeqPos<ins->gb.hwSeqLen && hwSeqCount<4) {
bool leave=false;
unsigned short data=ins->gb.hwSeq[chan[i].hwSeqPos].data;
switch (ins->gb.hwSeq[chan[i].hwSeqPos].cmd) {
case DivInstrumentGB::DIV_GB_HWCMD_ENVELOPE:
if (!chan[i].softEnv) {
chan[i].envLen=data&7;
chan[i].envDir=(data&8)?1:0;
chan[i].envVol=(data>>4)&15;
chan[i].soundLen=data>>8;
chan[i].keyOn=true;
}
break;
case DivInstrumentGB::DIV_GB_HWCMD_SWEEP:
chan[i].sweep=data;
chan[i].sweepChanged=true;
break;
case DivInstrumentGB::DIV_GB_HWCMD_WAIT:
chan[i].hwSeqDelay=data+1;
leave=true;
break;
case DivInstrumentGB::DIV_GB_HWCMD_WAIT_REL:
if (!chan[i].released) {
chan[i].hwSeqPos--;
leave=true;
}
break;
case DivInstrumentGB::DIV_GB_HWCMD_LOOP:
chan[i].hwSeqPos=data-1;
break;
case DivInstrumentGB::DIV_GB_HWCMD_LOOP_REL:
if (!chan[i].released) {
chan[i].hwSeqPos=data-1;
}
break;
}
chan[i].hwSeqPos++;
if (leave) break;
hwSeqCount++;
}
}
}
if (chan[i].sweepChanged) {
chan[i].sweepChanged=false;
if (i==0) {
rWrite(16+i*5,chan[i].sweep);
}
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
if (i==3) { // noise
int ntPos=chan[i].baseFreq+chan[i].pitch2;
if (ntPos<0) ntPos=0;
if (ntPos>255) ntPos=255;
chan[i].freq=noiseTable[ntPos];
} else {
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);
if (chan[i].freq>2047) chan[i].freq=2047;
if (chan[i].freq<1) chan[i].freq=1;
}
if (chan[i].keyOn) {
if (i==2) { // wave
rWrite(16+i*5,0x00);
rWrite(16+i*5,0x80);
rWrite(16+i*5+2,gbVolMap[chan[i].outVol]);
} else {
rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(chan[i].soundLen&63)));
rWrite(16+i*5+2,((chan[i].envVol<<4))|(chan[i].envLen&7)|((chan[i].envDir&1)<<3));
chan[i].lastKill=chan[i].envVol;
}
}
if (chan[i].keyOff) {
if (i==2) {
rWrite(16+i*5+2,0);
} else {
rWrite(16+i*5+2,8);
}
}
if (i==3) { // noise
rWrite(16+i*5+3,(chan[i].freq&0xff)|(chan[i].duty?8:0));
rWrite(16+i*5+4,((chan[i].keyOn||chan[i].keyOff)?0x80:0x00)|((chan[i].soundLen<64)<<6));
} else {
rWrite(16+i*5+3,(2048-chan[i].freq)&0xff);
rWrite(16+i*5+4,(((2048-chan[i].freq)>>8)&7)|((chan[i].keyOn||(chan[i].keyOff && i!=2))?0x80:0x00)|((chan[i].soundLen<63)<<6));
}
if (enoughAlready) { // more compat garbage
rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(chan[i].soundLen&63)));
}
if (chan[i].keyOn) chan[i].keyOn=false;
if (chan[i].keyOff) chan[i].keyOff=false;
chan[i].freqChanged=false;
}
if (chan[i].killIt) {
if (i!=2) {
//rWrite(16+i*5+2,8);
int killDelta=chan[i].lastKill-chan[i].outVol+1;
if (killDelta<0) killDelta+=16;
chan[i].lastKill=chan[i].outVol;
if (killDelta!=1) {
rWrite(16+i*5+2,((chan[i].envVol<<4))|8);
for (int j=0; j<killDelta; j++) {
rWrite(16+i*5+2,0x09);
rWrite(16+i*5+2,0x11);
rWrite(16+i*5+2,0x08);
}
}
}
chan[i].killIt=false;
}
chan[i].soManyHacksToMakeItDefleCompatible=false;
}
}
void DivPlatformGB::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
rWrite(0x25,procMute());
}
int DivPlatformGB::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_GB);
if (c.value!=DIV_NOTE_NULL) {
if (c.chan==3) { // noise
chan[c.chan].baseFreq=c.value;
} else {
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].hwSeqPos=0;
chan[c.chan].hwSeqDelay=0;
chan[c.chan].released=false;
chan[c.chan].softEnv=ins->gb.softEnv;
chan[c.chan].macroInit(ins);
if (c.chan==2) {
if (chan[c.chan].wave<0) {
chan[c.chan].wave=0;
ws.changeWave1(chan[c.chan].wave);
}
ws.init(ins,32,15,chan[c.chan].insChanged);
}
if ((chan[c.chan].insChanged || ins->gb.alwaysInit) && !chan[c.chan].softEnv) {
if (!chan[c.chan].soManyHacksToMakeItDefleCompatible && c.chan!=2) {
chan[c.chan].envVol=ins->gb.envVol;
}
chan[c.chan].envLen=ins->gb.envLen;
chan[c.chan].envDir=ins->gb.envDir;
chan[c.chan].soundLen=ins->gb.soundLen;
if (!chan[c.chan].soManyHacksToMakeItDefleCompatible && c.chan!=2) {
chan[c.chan].vol=chan[c.chan].envVol;
chan[c.chan].outVol=chan[c.chan].envVol;
}
} else if (chan[c.chan].softEnv && c.chan!=2) {
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
chan[c.chan].envVol=chan[c.chan].outVol;
}
chan[c.chan].envLen=0;
chan[c.chan].envDir=1;
chan[c.chan].soundLen=64;
}
if (c.chan==2 && chan[c.chan].softEnv) {
chan[c.chan].soundLen=64;
}
chan[c.chan].insChanged=false;
break;
}
case DIV_CMD_NOTE_OFF:
chan[c.chan].active=false;
chan[c.chan].keyOff=true;
chan[c.chan].hwSeqPos=0;
chan[c.chan].hwSeqDelay=0;
chan[c.chan].macroInit(NULL);
break;
case DIV_CMD_NOTE_OFF_ENV:
case DIV_CMD_ENV_RELEASE:
chan[c.chan].std.release();
chan[c.chan].released=true;
break;
case DIV_CMD_INSTRUMENT:
if (chan[c.chan].ins!=c.value || c.value2==1) {
chan[c.chan].ins=c.value;
chan[c.chan].insChanged=true;
if (c.chan!=2) {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_GB);
if (!ins->gb.softEnv) {
chan[c.chan].envVol=ins->gb.envVol;
chan[c.chan].envLen=ins->gb.envLen;
chan[c.chan].envDir=ins->gb.envDir;
chan[c.chan].soundLen=ins->gb.soundLen;
chan[c.chan].vol=chan[c.chan].envVol;
chan[c.chan].outVol=chan[c.chan].vol;
if (parent->song.gbInsAffectsEnvelope) {
rWrite(16+c.chan*5+2,((chan[c.chan].vol<<4))|(chan[c.chan].envLen&7)|((chan[c.chan].envDir&1)<<3));
}
}
}
}
break;
case DIV_CMD_VOLUME:
chan[c.chan].vol=c.value;
chan[c.chan].outVol=c.value;
if (c.chan==2) {
rWrite(16+c.chan*5+2,gbVolMap[chan[c.chan].outVol]);
}
if (!chan[c.chan].softEnv) {
chan[c.chan].envVol=chan[c.chan].vol;
chan[c.chan].soManyHacksToMakeItDefleCompatible=true;
} else if (c.chan!=2) {
if (chan[c.chan].std.vol.will && !chan[c.chan].std.vol.finished) {
chan[c.chan].outVol=VOL_SCALE_LINEAR(chan[c.chan].vol&15,MIN(15,chan[c.chan].std.vol.val),15);
}
chan[c.chan].envVol=chan[c.chan].outVol;
if (!chan[c.chan].keyOn) chan[c.chan].killIt=true;
chan[c.chan].freqChanged=true;
}
break;
case DIV_CMD_GET_VOLUME:
return chan[c.chan].vol;
break;
case DIV_CMD_PITCH:
chan[c.chan].pitch=c.value;
chan[c.chan].freqChanged=true;
break;
case DIV_CMD_WAVE:
if (c.chan!=2) break;
chan[c.chan].wave=c.value;
ws.changeWave1(chan[c.chan].wave);
if (chan[c.chan].active) {
chan[c.chan].keyOn=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_STD_NOISE_MODE:
chan[c.chan].duty=c.value;
if (c.chan!=2) {
chan[c.chan].freqChanged=true;
rWrite(16+c.chan*5+1,((chan[c.chan].duty&3)<<6)|(63-(parent->getIns(chan[c.chan].ins,DIV_INS_GB)->gb.soundLen&63)));
}
break;
case DIV_CMD_PANNING: {
lastPan&=~(0x11<<c.chan);
int pan=0;
if (c.value>0) pan|=0x10;
if (c.value2>0) pan|=0x01;
if (pan==0) pan=0x11;
lastPan|=pan<<c.chan;
rWrite(0x25,procMute());
break;
}
case DIV_CMD_LEGATO:
if (c.chan==3) break;
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
break;
case DIV_CMD_PRE_PORTA:
if (chan[c.chan].active && c.value2) {
if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_GB));
}
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);
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_GB_SWEEP_DIR:
if (c.chan>0) break;
chan[c.chan].sweep&=0xf7;
if (c.value&1) {
chan[c.chan].sweep|=8;
}
chan[c.chan].sweepChanged=true;
break;
case DIV_CMD_GB_SWEEP_TIME:
if (c.chan>0) break;
chan[c.chan].sweep&=8;
chan[c.chan].sweep|=c.value&0x77;
chan[c.chan].sweepChanged=true;
break;
case DIV_CMD_GET_VOLMAX:
return 15;
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 1;
break;
default:
break;
}
return 1;
}
void DivPlatformGB::forceIns() {
for (int i=0; i<4; i++) {
chan[i].insChanged=true;
}
immWrite(0x25,procMute());
updateWave();
}
void* DivPlatformGB::getChanState(int ch) {
return &chan[ch];
}
DivMacroInt* DivPlatformGB::getChanMacroInt(int ch) {
return &chan[ch].std;
}
DivDispatchOscBuffer* DivPlatformGB::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformGB::getRegisterPool() {
return regPool;
}
int DivPlatformGB::getRegisterPoolSize() {
return 64;
}
void DivPlatformGB::reset() {
for (int i=0; i<4; i++) {
chan[i]=DivPlatformGB::Channel();
chan[i].std.setEngine(parent);
}
ws.setEngine(parent);
ws.init(NULL,32,15,false);
if (dumpWrites) {
addWrite(0xffffffff,0);
}
memset(gb,0,sizeof(GB_gameboy_t));
memset(regPool,0,128);
gb->model=model;
GB_apu_init(gb);
GB_set_sample_rate(gb,rate);
// enable all channels
immWrite(0x10,0);
immWrite(0x26,0x8f);
lastPan=0xff;
immWrite(0x25,procMute());
immWrite(0x24,0x77);
antiClickPeriodCount=0;
antiClickWavePos=0;
}
int DivPlatformGB::getPortaFloor(int ch) {
return 24;
}
int DivPlatformGB::getOutputCount() {
return 2;
}
bool DivPlatformGB::getDCOffRequired() {
return (model==GB_MODEL_AGB);
}
void DivPlatformGB::notifyInsChange(int ins) {
for (int i=0; i<4; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
}
}
void DivPlatformGB::notifyWaveChange(int wave) {
if (chan[2].wave==wave) {
ws.changeWave1(wave);
updateWave();
if (!chan[2].keyOff && chan[2].active) chan[2].keyOn=true;
}
}
void DivPlatformGB::notifyInsDeletion(void* ins) {
for (int i=0; i<4; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
void DivPlatformGB::poke(unsigned int addr, unsigned short val) {
immWrite(addr,val);
}
void DivPlatformGB::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
}
void DivPlatformGB::setFlags(const DivConfig& flags) {
antiClickEnabled=!flags.getBool("noAntiClick",false);
switch (flags.getInt("chipType",0)) {
case 0:
model=GB_MODEL_DMG_B;
break;
case 1:
model=GB_MODEL_CGB_C;
break;
case 2:
model=GB_MODEL_CGB_E;
break;
case 3:
model=GB_MODEL_AGB;
break;
}
invertWave=flags.getBool("invertWave",true);
enoughAlready=flags.getBool("enoughAlready",false);
chipClock=4194304;
CHECK_CUSTOM_CLOCK;
rate=chipClock/16;
for (int i=0; i<4; i++) {
oscBuf[i]->rate=rate;
}
}
int DivPlatformGB::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
model=GB_MODEL_DMG_B;
gb=new GB_gameboy_t;
for (int i=0; i<4; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
reset();
return 4;
}
void DivPlatformGB::quit() {
for (int i=0; i<4; i++) {
delete oscBuf[i];
}
delete gb;
}
DivPlatformGB::~DivPlatformGB() {
}
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