add Pokémon Mini (partially)

This commit is contained in:
tildearrow 2022-12-13 13:32:35 -05:00
parent afb2fb9165
commit 5f3210ba48
6 changed files with 401 additions and 0 deletions

View File

@ -516,6 +516,7 @@ src/engine/platform/zxbeeper.cpp
src/engine/platform/bubsyswsg.cpp
src/engine/platform/n163.cpp
src/engine/platform/pet.cpp
src/engine/platform/pokemini.cpp
src/engine/platform/pong.cpp
src/engine/platform/vic20.cpp
src/engine/platform/vrc6.cpp

View File

@ -49,6 +49,7 @@
#include "platform/saa.h"
#include "platform/amiga.h"
#include "platform/pcspkr.h"
#include "platform/pokemini.h"
#include "platform/segapcm.h"
#include "platform/qsound.h"
#include "platform/vera.h"
@ -326,6 +327,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
case DIV_SYSTEM_PCSPKR:
dispatch=new DivPlatformPCSpeaker;
break;
case DIV_SYSTEM_POKEMINI:
dispatch=new DivPlatformPokeMini;
break;
case DIV_SYSTEM_SFX_BEEPER:
dispatch=new DivPlatformZXBeeper;
break;

View File

@ -0,0 +1,315 @@
/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "pokemini.h"
#include "../engine.h"
#include "../../ta-log.h"
#include <math.h>
#define PCSPKR_DIVIDER 16
#define CHIP_DIVIDER 1
const char* regCheatSheetPokeMini[]={
"Period", "0",
NULL
};
const short volTable[4]={
0, 16384, 16384, 32767
};
const short scaleTable[8]={
1, 7, 31, 63, 127, 255, 1023, 4095
};
const char** DivPlatformPokeMini::getRegisterSheet() {
return regCheatSheetPokeMini;
}
void DivPlatformPokeMini::acquire(short* bufL, short* bufR, size_t start, size_t len) {
int out=0;
for (size_t i=start; i<start+len; i++) {
for (int j=0; j<PCSPKR_DIVIDER; j++) {
elapsedMain++;
if (on) {
if ((elapsedMain&scaleTable[timerScale&7])==0) {
pos--;
if (pos<0) {
pos=preset;
}
}
}
}
if (on) {
out=(pos>=pivot && !isMuted[0])?volTable[vol&3]:0;
bufL[i]=out;
oscBuf->data[oscBuf->needle++]=out;
} else {
bufL[i]=0;
oscBuf->data[oscBuf->needle++]=0;
}
}
}
void DivPlatformPokeMini::tick(bool sysTick) {
for (int i=0; i<1; i++) {
chan[i].std.next();
if (chan[i].std.vol.had) {
chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol,chan[i].std.vol.val,3);
vol=(chan[i].outVol==2)?3:chan[i].outVol;
}
if (chan[i].std.arp.had) {
if (!chan[i].inPorta) {
chan[i].baseFreq=NOTE_PERIODIC(parent->calcArp(chan[i].note,chan[i].std.arp.val));
}
chan[i].freqChanged=true;
}
if (chan[i].std.duty.had) {
chan[i].duty=chan[i].std.duty.val;
chan[i].freqChanged=true;
}
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].freqChanged || chan[i].keyOn || chan[i].keyOff) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER)-1;
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>65535) chan[i].freq=65535;
if (chan[i].keyOn) {
on=true;
}
if (chan[i].keyOff) {
on=false;
}
preset=chan[i].freq;
pivot=(chan[i].duty*preset)>>8;
if (chan[i].keyOn) chan[i].keyOn=false;
if (chan[i].keyOff) chan[i].keyOff=false;
chan[i].freqChanged=false;
}
}
}
int DivPlatformPokeMini::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON:
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;
}
vol=(chan[c.chan].outVol==2)?3:chan[c.chan].outVol;
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_BEEPER));
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
}
break;
case DIV_CMD_NOTE_OFF:
chan[c.chan].active=false;
chan[c.chan].keyOff=true;
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_INSTRUMENT:
if (chan[c.chan].ins!=c.value || c.value2==1) {
chan[c.chan].ins=c.value;
}
break;
case DIV_CMD_VOLUME:
if (chan[c.chan].vol!=c.value) {
chan[c.chan].vol=c.value;
if (!chan[c.chan].std.vol.has) {
chan[c.chan].outVol=c.value;
}
if (chan[c.chan].active) {
on=chan[c.chan].vol;
}
}
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_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:
if (c.chan==3) break;
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(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_BEEPER));
}
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_GET_VOLMAX:
return 2;
break;
case DIV_ALWAYS_SET_VOLUME:
return 1;
break;
default:
break;
}
return 1;
}
void DivPlatformPokeMini::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
}
void DivPlatformPokeMini::forceIns() {
for (int i=0; i<1; i++) {
chan[i].insChanged=true;
}
}
void* DivPlatformPokeMini::getChanState(int ch) {
return &chan[ch];
}
DivMacroInt* DivPlatformPokeMini::getChanMacroInt(int ch) {
return &chan[ch].std;
}
DivDispatchOscBuffer* DivPlatformPokeMini::getOscBuffer(int ch) {
return oscBuf;
}
unsigned char* DivPlatformPokeMini::getRegisterPool() {
if (on) {
regPool[0]=preset;
regPool[1]=preset>>8;
} else {
regPool[0]=0;
regPool[1]=0;
}
return regPool;
}
int DivPlatformPokeMini::getRegisterPoolSize() {
return 2;
}
void DivPlatformPokeMini::reset() {
for (int i=0; i<1; i++) {
chan[i]=DivPlatformPokeMini::Channel();
chan[i].std.setEngine(parent);
}
if (dumpWrites) {
addWrite(0xffffffff,0);
}
on=false;
preset=0;
pivot=0;
pos=0;
timerScale=0;
vol=0;
preset=0;
pivot=0;
elapsedMain=0;
memset(regPool,0,2);
}
bool DivPlatformPokeMini::keyOffAffectsArp(int ch) {
return true;
}
void DivPlatformPokeMini::setFlags(const DivConfig& flags) {
chipClock=4000000;
CHECK_CUSTOM_CLOCK;
rate=chipClock/PCSPKR_DIVIDER;
oscBuf->rate=rate;
}
void DivPlatformPokeMini::notifyInsDeletion(void* ins) {
for (int i=0; i<1; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
void DivPlatformPokeMini::poke(unsigned int addr, unsigned short val) {
// ???
}
void DivPlatformPokeMini::poke(std::vector<DivRegWrite>& wlist) {
// ???
}
int DivPlatformPokeMini::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<1; i++) {
isMuted[i]=false;
}
oscBuf=new DivDispatchOscBuffer;
setFlags(flags);
reset();
return 5;
}
void DivPlatformPokeMini::quit() {
delete oscBuf;
}
DivPlatformPokeMini::~DivPlatformPokeMini() {
}

View File

@ -0,0 +1,69 @@
/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _POKEMINI_H
#define _POKEMINI_H
#include "../dispatch.h"
#include "../macroInt.h"
class DivPlatformPokeMini: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
unsigned char duty;
Channel():
SharedChannel<signed char>(2),
duty(128) {}
};
Channel chan[1];
DivDispatchOscBuffer* oscBuf;
bool isMuted[1];
bool on;
int pos;
unsigned char timerScale, vol;
unsigned short preset, pivot;
unsigned char regPool[2];
unsigned short elapsedMain;
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivMacroInt* getChanMacroInt(int ch);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick(bool sysTick=true);
void muteChannel(int ch, bool mute);
bool keyOffAffectsArp(int ch);
void setFlags(const DivConfig& flags);
void notifyInsDeletion(void* ins);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
~DivPlatformPokeMini();
};
#endif

View File

@ -928,6 +928,7 @@ const int availableSystems[]={
DIV_SYSTEM_AY8910,
DIV_SYSTEM_AMIGA,
DIV_SYSTEM_PCSPKR,
DIV_SYSTEM_POKEMINI,
DIV_SYSTEM_SFX_BEEPER,
DIV_SYSTEM_YMU759,
DIV_SYSTEM_DUMMY,
@ -1018,6 +1019,7 @@ const int chipsSquare[]={
DIV_SYSTEM_SMS,
DIV_SYSTEM_AY8910,
DIV_SYSTEM_PCSPKR,
DIV_SYSTEM_POKEMINI,
DIV_SYSTEM_SAA1099,
DIV_SYSTEM_VIC20,
DIV_SYSTEM_MSM5232,

View File

@ -216,6 +216,11 @@ void FurnaceGUI::initSystemPresets() {
)
}
);
ENTRY(
"Pokémon Mini", {
CH(DIV_SYSTEM_POKEMINI, 32, 0, "")
}
);
CATEGORY_END;
CATEGORY_BEGIN("Computers","let's get to work on chiptune today.");
@ -1079,6 +1084,11 @@ void FurnaceGUI::initSystemPresets() {
CH(DIV_SYSTEM_PCSPKR, 32, 0, "")
}
);
ENTRY(
"Pokémon Mini", {
CH(DIV_SYSTEM_POKEMINI, 32, 0, "")
}
);
ENTRY(
"Commodore VIC", {
CH(DIV_SYSTEM_VIC20, 64, 0, "clockSel=1")