2022-12-13 18:32:35 +00:00
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/**
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* Furnace Tracker - multi-system chiptune tracker
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2023-01-20 00:18:40 +00:00
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* Copyright (C) 2021-2023 tildearrow and contributors
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2022-12-13 18:32:35 +00:00
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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 "pokemini.h"
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#include "../engine.h"
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#include "../../ta-log.h"
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#include <math.h>
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#define PCSPKR_DIVIDER 16
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#define CHIP_DIVIDER 1
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const char* regCheatSheetPokeMini[]={
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2022-12-20 21:33:57 +00:00
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"TMR3_SCALE", "1C",
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"TMR3_OSC", "1D",
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"TMR3_CTRL_L", "48",
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"TMR3_CTRL_H", "49",
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"TMR3_PRE_L", "4A",
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"TMR3_PRE_H", "4B",
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"TMR3_PVT_L", "4C",
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"TMR3_PVT_H", "4D",
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"TMR3_CNT_L", "4E",
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"TMR3_CNT_H", "4F",
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"IO_DIR", "60",
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"IO_DATA", "61",
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"AUD_CTRL", "70",
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"AUD_VOL", "71",
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2022-12-13 18:32:35 +00:00
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NULL
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};
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const short volTable[4]={
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0, 16384, 16384, 32767
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};
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const short scaleTable[8]={
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1, 7, 31, 63, 127, 255, 1023, 4095
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};
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const char** DivPlatformPokeMini::getRegisterSheet() {
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return regCheatSheetPokeMini;
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}
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2022-12-20 21:33:57 +00:00
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void DivPlatformPokeMini::rWrite(unsigned char addr, unsigned char val) {
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if (addr<128) regPool[addr]=val;
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switch (addr) {
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case 0x1c:
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// ignore
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break;
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case 0x1d:
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// ignore
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break;
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case 0x48: case 0x49:
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on=val&4;
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if (val&2) pos=0;
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break;
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case 0x4a:
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preset=(preset&0xff00)|val;
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break;
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case 0x4b:
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preset=(preset&0xff)|(val<<8);
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break;
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case 0x4c:
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pivot=(pivot&0xff00)|val;
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break;
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case 0x4d:
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pivot=(pivot&0xff)|(val<<8);
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break;
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case 0x71:
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vol=val&3;
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break;
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}
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}
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2023-01-02 09:53:37 +00:00
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void DivPlatformPokeMini::acquire(short** buf, size_t len) {
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2022-12-13 18:32:35 +00:00
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int out=0;
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2023-01-03 06:09:46 +00:00
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for (size_t i=0; i<len; i++) {
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2022-12-13 18:32:35 +00:00
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for (int j=0; j<PCSPKR_DIVIDER; j++) {
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elapsedMain++;
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if (on) {
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if ((elapsedMain&scaleTable[timerScale&7])==0) {
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pos--;
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if (pos<0) {
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pos=preset;
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}
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}
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}
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}
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if (on) {
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out=(pos>=pivot && !isMuted[0])?volTable[vol&3]:0;
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2023-01-02 09:53:37 +00:00
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buf[0][i]=out;
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2022-12-13 18:32:35 +00:00
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oscBuf->data[oscBuf->needle++]=out;
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} else {
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2023-01-02 09:53:37 +00:00
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buf[0][i]=0;
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2022-12-13 18:32:35 +00:00
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oscBuf->data[oscBuf->needle++]=0;
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}
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}
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}
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void DivPlatformPokeMini::tick(bool sysTick) {
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for (int i=0; i<1; i++) {
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chan[i].std.next();
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if (chan[i].std.vol.had) {
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2022-12-17 19:27:03 +00:00
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chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol,chan[i].std.vol.val,2);
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2022-12-20 21:33:57 +00:00
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rWrite(0x71,(chan[i].outVol==2)?3:chan[i].outVol);
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2022-12-13 18:32:35 +00:00
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}
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2022-12-17 06:21:08 +00:00
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if (NEW_ARP_STRAT) {
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chan[i].handleArp();
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} else if (chan[i].std.arp.had) {
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2022-12-13 18:32:35 +00:00
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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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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.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].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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2022-12-17 07:07:24 +00:00
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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)-1;
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2022-12-13 18:32:35 +00:00
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if (chan[i].freq<0) chan[i].freq=0;
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if (chan[i].freq>65535) chan[i].freq=65535;
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if (chan[i].keyOn) {
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2022-12-20 21:33:57 +00:00
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rWrite(0x48,4);
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2022-12-13 18:32:35 +00:00
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}
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if (chan[i].keyOff) {
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2022-12-20 21:33:57 +00:00
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rWrite(0x48,0);
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2022-12-13 18:32:35 +00:00
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}
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2022-12-20 21:33:57 +00:00
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rWrite(0x4a,chan[i].freq&0xff);
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rWrite(0x4b,chan[i].freq>>8);
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int pvt=(chan[i].duty*chan[i].freq)>>8;
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rWrite(0x4c,pvt&0xff);
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rWrite(0x4d,pvt>>8);
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2022-12-13 18:32:35 +00:00
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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 DivPlatformPokeMini::dispatch(DivCommand c) {
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON:
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=NOTE_PERIODIC(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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2022-12-20 21:33:57 +00:00
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rWrite(0x71,(chan[c.chan].outVol==2)?3:chan[c.chan].outVol);
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2022-12-13 18:32:35 +00:00
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chan[c.chan].active=true;
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chan[c.chan].keyOn=true;
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2022-12-16 03:32:33 +00:00
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chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POKEMINI));
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2022-12-13 18:32:35 +00:00
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if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
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chan[c.chan].outVol=chan[c.chan].vol;
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}
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break;
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case DIV_CMD_NOTE_OFF:
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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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}
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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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if (chan[c.chan].active) {
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2022-12-20 21:33:57 +00:00
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rWrite(0x71,(chan[c.chan].outVol==2)?3:chan[c.chan].outVol);
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2022-12-13 18:32:35 +00:00
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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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return chan[c.chan].vol;
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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_PERIODIC(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_LEGATO:
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2022-12-17 07:07:24 +00:00
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chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
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2022-12-13 18:32:35 +00:00
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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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2022-12-20 21:33:57 +00:00
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if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POKEMINI));
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2022-12-13 18:32:35 +00:00
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}
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2022-12-17 07:10:20 +00:00
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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);
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2022-12-13 18:32:35 +00:00
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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 2;
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break;
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2022-12-17 05:09:56 +00:00
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case DIV_CMD_MACRO_OFF:
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chan[c.chan].std.mask(c.value,true);
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break;
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case DIV_CMD_MACRO_ON:
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chan[c.chan].std.mask(c.value,false);
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break;
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2022-12-13 18:32:35 +00:00
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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 DivPlatformPokeMini::muteChannel(int ch, bool mute) {
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isMuted[ch]=mute;
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}
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void DivPlatformPokeMini::forceIns() {
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for (int i=0; i<1; i++) {
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chan[i].insChanged=true;
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}
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}
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void* DivPlatformPokeMini::getChanState(int ch) {
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return &chan[ch];
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}
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DivMacroInt* DivPlatformPokeMini::getChanMacroInt(int ch) {
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return &chan[ch].std;
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}
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DivDispatchOscBuffer* DivPlatformPokeMini::getOscBuffer(int ch) {
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return oscBuf;
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}
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unsigned char* DivPlatformPokeMini::getRegisterPool() {
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return regPool;
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}
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int DivPlatformPokeMini::getRegisterPoolSize() {
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2022-12-20 21:33:57 +00:00
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return 128;
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2022-12-13 18:32:35 +00:00
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}
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void DivPlatformPokeMini::reset() {
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for (int i=0; i<1; i++) {
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chan[i]=DivPlatformPokeMini::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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on=false;
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preset=0;
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pivot=0;
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pos=0;
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timerScale=0;
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vol=0;
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preset=0;
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pivot=0;
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elapsedMain=0;
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2022-12-20 21:33:57 +00:00
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memset(regPool,0,128);
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2022-12-13 18:32:35 +00:00
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}
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bool DivPlatformPokeMini::keyOffAffectsArp(int ch) {
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return true;
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}
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void DivPlatformPokeMini::setFlags(const DivConfig& flags) {
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chipClock=4000000;
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CHECK_CUSTOM_CLOCK;
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rate=chipClock/PCSPKR_DIVIDER;
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oscBuf->rate=rate;
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|
|
|
}
|
|
|
|
|
|
|
|
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) {
|
2022-12-20 21:33:57 +00:00
|
|
|
rWrite(addr,val);
|
2022-12-13 18:32:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void DivPlatformPokeMini::poke(std::vector<DivRegWrite>& wlist) {
|
2022-12-20 21:33:57 +00:00
|
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
2022-12-13 18:32:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
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() {
|
|
|
|
}
|