mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-16 09:45:06 +00:00
711 lines
20 KiB
C++
711 lines
20 KiB
C++
/**
|
|
* 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 "qsound.h"
|
|
#include "../engine.h"
|
|
#include "../../ta-log.h"
|
|
#include <math.h>
|
|
#include <map>
|
|
|
|
#define CHIP_DIVIDER (1248*2)
|
|
#define QS_NOTE_FREQUENCY(x) parent->calcBaseFreq(440,4096,(x)-3,false)
|
|
|
|
#define rWrite(a,v) {if(!skipRegisterWrites) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v); }}
|
|
#define immWrite(a,v) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v);}
|
|
|
|
const char* regCheatSheetQSound[]={
|
|
"Ch15_Bank", "00",
|
|
"Ch00_Start", "01",
|
|
"Ch00_Freq", "02",
|
|
"Ch00_Phase", "03",
|
|
"Ch00_Loop", "04",
|
|
"Ch00_End", "05",
|
|
"Ch00_Volume", "06",
|
|
"Ch00_Bank", "08",
|
|
"Ch01_Start", "09",
|
|
"Ch01_Freq", "0A",
|
|
"Ch01_Phase", "0B",
|
|
"Ch01_Loop", "0C",
|
|
"Ch01_End", "0D",
|
|
"Ch01_Volume", "0E",
|
|
"Ch01_Bank", "10",
|
|
"Ch02_Start", "11",
|
|
"Ch02_Freq", "12",
|
|
"Ch02_Phase", "13",
|
|
"Ch02_Loop", "14",
|
|
"Ch02_End", "15",
|
|
"Ch02_Volume", "16",
|
|
"Ch02_Bank", "18",
|
|
"Ch03_Start", "19",
|
|
"Ch03_Freq", "1A",
|
|
"Ch03_Phase", "1B",
|
|
"Ch03_Loop", "1C",
|
|
"Ch03_End", "1D",
|
|
"Ch03_Volume", "1E",
|
|
"Ch03_Bank", "20",
|
|
"Ch04_Start", "21",
|
|
"Ch04_Freq", "22",
|
|
"Ch04_Phase", "23",
|
|
"Ch04_Loop", "24",
|
|
"Ch04_End", "25",
|
|
"Ch04_Volume", "26",
|
|
"Ch04_Bank", "28",
|
|
"Ch05_Start", "29",
|
|
"Ch05_Freq", "2A",
|
|
"Ch05_Phase", "2B",
|
|
"Ch05_Loop", "2C",
|
|
"Ch05_End", "2D",
|
|
"Ch05_Volume", "2E",
|
|
"Ch05_Bank", "30",
|
|
"Ch06_Start", "31",
|
|
"Ch06_Freq", "32",
|
|
"Ch06_Phase", "33",
|
|
"Ch06_Loop", "34",
|
|
"Ch06_End", "35",
|
|
"Ch06_Volume", "36",
|
|
"Ch06_Bank", "38",
|
|
"Ch07_Start", "39",
|
|
"Ch07_Freq", "3A",
|
|
"Ch07_Phase", "3B",
|
|
"Ch07_Loop", "3C",
|
|
"Ch07_End", "3D",
|
|
"Ch07_Volume", "3E",
|
|
"Ch07_Bank", "40",
|
|
"Ch08_Start", "41",
|
|
"Ch08_Freq", "42",
|
|
"Ch08_Phase", "43",
|
|
"Ch08_Loop", "44",
|
|
"Ch08_End", "45",
|
|
"Ch08_Volume", "46",
|
|
"Ch08_Bank", "48",
|
|
"Ch09_Start", "49",
|
|
"Ch09_Freq", "4A",
|
|
"Ch09_Phase", "4B",
|
|
"Ch09_Loop", "4C",
|
|
"Ch09_End", "4D",
|
|
"Ch09_Volume", "4E",
|
|
"Ch09_Bank", "50",
|
|
"Ch10_Start", "51",
|
|
"Ch10_Freq", "52",
|
|
"Ch10_Phase", "53",
|
|
"Ch10_Loop", "54",
|
|
"Ch10_End", "55",
|
|
"Ch10_Volume", "56",
|
|
"Ch10_Bank", "58",
|
|
"Ch11_Start", "59",
|
|
"Ch11_Freq", "5A",
|
|
"Ch11_Phase", "5B",
|
|
"Ch11_Loop", "5C",
|
|
"Ch11_End", "5D",
|
|
"Ch11_Volume", "5E",
|
|
"Ch11_Bank", "60",
|
|
"Ch12_Start", "61",
|
|
"Ch12_Freq", "62",
|
|
"Ch12_Phase", "63",
|
|
"Ch12_Loop", "64",
|
|
"Ch12_End", "65",
|
|
"Ch12_Volume", "66",
|
|
"Ch12_Bank", "68",
|
|
"Ch13_Start", "69",
|
|
"Ch13_Freq", "6A",
|
|
"Ch13_Phase", "6B",
|
|
"Ch13_Loop", "6C",
|
|
"Ch13_End", "6D",
|
|
"Ch13_Volume", "6E",
|
|
"Ch13_Bank", "70",
|
|
"Ch14_Start", "71",
|
|
"Ch14_Freq", "72",
|
|
"Ch14_Phase", "73",
|
|
"Ch14_Loop", "74",
|
|
"Ch14_End", "75",
|
|
"Ch14_Volume", "76",
|
|
"Ch14_Bank", "78",
|
|
"Ch15_Start", "79",
|
|
"Ch15_Freq", "7A",
|
|
"Ch15_Phase", "7B",
|
|
"Ch15_Loop", "7C",
|
|
"Ch15_End", "7D",
|
|
"Ch15_Volume", "7E",
|
|
"Ch00_Panning", "80",
|
|
"Ch01_Panning", "81",
|
|
"Ch02_Panning", "82",
|
|
"Ch03_Panning", "83",
|
|
"Ch04_Panning", "84",
|
|
"Ch05_Panning", "85",
|
|
"Ch06_Panning", "86",
|
|
"Ch07_Panning", "87",
|
|
"Ch08_Panning", "88",
|
|
"Ch09_Panning", "89",
|
|
"Ch10_Panning", "8A",
|
|
"Ch11_Panning", "8B",
|
|
"Ch12_Panning", "8C",
|
|
"Ch13_Panning", "8D",
|
|
"Ch14_Panning", "8E",
|
|
"Ch15_Panning", "8F",
|
|
"Adpcm0_Panning","90",
|
|
"Adpcm1_Panning","91",
|
|
"Adpcm2_Panning","92",
|
|
"Echo_Feedback","93",
|
|
"Ch00_Echo", "BA",
|
|
"Ch01_Echo", "BB",
|
|
"Ch02_Echo", "BC",
|
|
"Ch03_Echo", "BD",
|
|
"Ch04_Echo", "BE",
|
|
"Ch05_Echo", "BF",
|
|
"Ch06_Echo", "C0",
|
|
"Ch07_Echo", "C1",
|
|
"Ch08_Echo", "C2",
|
|
"Ch09_Echo", "C3",
|
|
"Ch10_Echo", "C4",
|
|
"Ch11_Echo", "C5",
|
|
"Ch12_Echo", "C6",
|
|
"Ch13_Echo", "C7",
|
|
"Ch14_Echo", "C8",
|
|
"Ch15_Echo", "C9",
|
|
"Adpcm0_Start", "CA",
|
|
"Adpcm0_End", "CB",
|
|
"Adpcm0_Bank", "CC",
|
|
"Adpcm0_Volume","CD",
|
|
"Adpcm1_Start", "CE",
|
|
"Adpcm1_End", "CF",
|
|
"Adpcm1_Bank", "D0",
|
|
"Adpcm1_Volume","D1",
|
|
"Adpcm2_Start", "D2",
|
|
"Adpcm2_End", "D3",
|
|
"Adpcm2_Bank", "D4",
|
|
"Adpcm2_Volume","D5",
|
|
"Adpcm0_KeyOn", "D6",
|
|
"Adpcm1_KeyOn", "D7",
|
|
"Adpcm2_KeyOn", "D8",
|
|
"Echo_Delay", "D9",
|
|
"L_Wet_Filter", "DA",
|
|
"L_Dry_Filter", "DB",
|
|
"R_Wet_Filter", "DC",
|
|
"R_Dry_Filter", "DD",
|
|
"L_Wet_Delay", "DE",
|
|
"L_Dry_Delay", "DF",
|
|
"R_Wet_Delay", "E0",
|
|
"R_Dry_Delay", "E1",
|
|
"Delay_Flag", "E2",
|
|
"Mode_Select", "E3", //valid: 0000,0288,0039,061A,004F
|
|
"L_Wet_Volume", "E4",
|
|
"L_Dry_Volume", "E5",
|
|
"R_Wet_Volume", "E6",
|
|
"R_Dry_Volume", "E7",
|
|
NULL
|
|
};
|
|
enum q1_register_name {
|
|
Q1V_BANK = 0,
|
|
Q1V_START = 1,
|
|
Q1V_FREQ = 2,
|
|
Q1V_PHASE = 3,
|
|
Q1V_LOOP = 4,
|
|
Q1V_END = 5,
|
|
Q1V_VOL = 6,
|
|
Q1V_REG_COUNT = 7,
|
|
|
|
Q1_PAN = 0x80,
|
|
Q1_ECHO = 0xba,
|
|
|
|
Q1A_PAN = 0x90,
|
|
Q1A_START = 0xca,
|
|
Q1A_END = 0xcb,
|
|
Q1A_BANK = 0xcc,
|
|
Q1A_VOL = 0xcd,
|
|
|
|
Q1A_KEYON = 0xd6,
|
|
|
|
Q1_ECHO_FEEDBACK = 0x93,
|
|
Q1_ECHO_LENGTH = 0xd9,
|
|
};
|
|
|
|
const unsigned char q1_reg_map[Q1V_REG_COUNT][16] = {
|
|
{0x78,0x00,0x08,0x10,0x18,0x20,0x28,0x30,0x38,0x40,0x48,0x50,0x58,0x60,0x68,0x70},
|
|
{0x01,0x09,0x11,0x19,0x21,0x29,0x31,0x39,0x41,0x49,0x51,0x59,0x61,0x69,0x71,0x79},
|
|
{0x02,0x0a,0x12,0x1a,0x22,0x2a,0x32,0x3a,0x42,0x4a,0x52,0x5a,0x62,0x6a,0x72,0x7a},
|
|
{0x03,0x0b,0x13,0x1b,0x23,0x2b,0x33,0x3b,0x43,0x4b,0x53,0x5b,0x63,0x6b,0x73,0x7b},
|
|
{0x04,0x0c,0x14,0x1c,0x24,0x2c,0x34,0x3c,0x44,0x4c,0x54,0x5c,0x64,0x6c,0x74,0x7c},
|
|
{0x05,0x0d,0x15,0x1d,0x25,0x2d,0x35,0x3d,0x45,0x4d,0x55,0x5d,0x65,0x6d,0x75,0x7d},
|
|
{0x06,0x0e,0x16,0x1e,0x26,0x2e,0x36,0x3e,0x46,0x4e,0x56,0x5e,0x66,0x6e,0x76,0x7e},
|
|
};
|
|
|
|
const char** DivPlatformQSound::getRegisterSheet() {
|
|
return regCheatSheetQSound;
|
|
}
|
|
|
|
void DivPlatformQSound::acquire(short* bufL, short* bufR, size_t start, size_t len) {
|
|
for (size_t h=start; h<start+len; h++) {
|
|
qsound_update(&chip);
|
|
bufL[h]=chip.out[0];
|
|
bufR[h]=chip.out[1];
|
|
|
|
for (int i=0; i<19; i++) {
|
|
int data=chip.voice_output[i]<<2;
|
|
if (data<-32768) data=-32768;
|
|
if (data>32767) data=32767;
|
|
oscBuf[i]->data[oscBuf[i]->needle++]=data;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::tick(bool sysTick) {
|
|
for (int i=0; i<16; i++) {
|
|
chan[i].std.next();
|
|
if (chan[i].std.vol.had) {
|
|
if (chan[i].isNewQSound) {
|
|
chan[i].outVol=((chan[i].vol&0xff)*MIN(16383,chan[i].std.vol.val))/16383;
|
|
chan[i].resVol=((chan[i].vol&0xff)*MIN(16383,chan[i].std.vol.val))/255;
|
|
} else {
|
|
chan[i].outVol=((chan[i].vol&0xff)*chan[i].std.vol.val)>>6;
|
|
chan[i].resVol=chan[i].outVol<<4;
|
|
}
|
|
// Check if enabled and write volume
|
|
if (chan[i].active) {
|
|
rWrite(q1_reg_map[Q1V_VOL][i],chan[i].resVol);
|
|
}
|
|
}
|
|
uint16_t qsound_bank = 0;
|
|
uint16_t qsound_addr = 0;
|
|
uint16_t qsound_loop = 0;
|
|
uint16_t qsound_end = 0;
|
|
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[i].sample);
|
|
qsound_bank = 0x8000 | (offPCM[chan[i].sample] >> 16);
|
|
qsound_addr = offPCM[chan[i].sample] & 0xffff;
|
|
|
|
int loopStart=s->loopStart;
|
|
int length = s->loopEnd;
|
|
if (length > 65536 - 16) {
|
|
length = 65536 - 16;
|
|
}
|
|
if (loopStart == -1 || loopStart >= length) {
|
|
qsound_end = offPCM[chan[i].sample] + length + 15;
|
|
qsound_loop = 15;
|
|
} else {
|
|
qsound_end = offPCM[chan[i].sample] + length;
|
|
qsound_loop = length - loopStart;
|
|
}
|
|
}
|
|
if (chan[i].std.arp.had) {
|
|
if (!chan[i].inPorta) {
|
|
chan[i].baseFreq=QS_NOTE_FREQUENCY(parent->calcArp(chan[i].note,chan[i].std.arp.val));
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
if (chan[i].isNewQSound && chan[i].std.duty.had) {
|
|
chan[i].echo=CLAMP(chan[i].std.duty.val,0,32767);
|
|
immWrite(Q1_ECHO+i,chan[i].echo&0x7fff);
|
|
}
|
|
if (chan[i].isNewQSound && chan[i].std.ex1.had) {
|
|
immWrite(Q1_ECHO_FEEDBACK,chan[i].std.ex1.val&0x3fff);
|
|
}
|
|
if (chan[i].isNewQSound && chan[i].std.ex2.had) {
|
|
immWrite(Q1_ECHO_LENGTH,0xfff-(2725-CLAMP(chan[i].std.ex2.val&0xfff,0,2725)));
|
|
}
|
|
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.panL.had) { // panning
|
|
chan[i].panning=chan[i].std.panL.val+16;
|
|
}
|
|
if (chan[i].std.panR.had) { // surround
|
|
chan[i].surround=chan[i].std.panR.val;
|
|
}
|
|
if (chan[i].std.panL.had || chan[i].std.panR.had) {
|
|
immWrite(Q1_PAN+i,chan[i].panning+0x110+(chan[i].surround?0:0x30));
|
|
}
|
|
if (chan[i].std.phaseReset.had) {
|
|
if (chan[i].std.phaseReset.val==1 && chan[i].active && (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen)) {
|
|
chan[i].keyOn=true;
|
|
}
|
|
}
|
|
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
|
|
//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
|
|
double off=1.0;
|
|
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[i].sample);
|
|
if (s->centerRate<1) {
|
|
off=1.0;
|
|
} else {
|
|
off=(double)s->centerRate/24038.0/16.0;
|
|
}
|
|
}
|
|
chan[i].freq=off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,440.0,4096.0);
|
|
if (chan[i].freq>0xefff) chan[i].freq=0xefff;
|
|
if (chan[i].keyOn) {
|
|
rWrite(q1_reg_map[Q1V_BANK][i], qsound_bank);
|
|
rWrite(q1_reg_map[Q1V_END][i], qsound_end);
|
|
rWrite(q1_reg_map[Q1V_LOOP][i], qsound_loop);
|
|
rWrite(q1_reg_map[Q1V_START][i], qsound_addr);
|
|
rWrite(q1_reg_map[Q1V_PHASE][i], 0x8000);
|
|
//logV("ch %d bank=%04x, addr=%04x, end=%04x, loop=%04x!",i,qsound_bank,qsound_addr,qsound_end,qsound_loop);
|
|
// Write sample address. Enable volume
|
|
if (!chan[i].std.vol.had) {
|
|
if (chan[i].isNewQSound) {
|
|
chan[i].resVol=(chan[i].vol*16383)/255;
|
|
} else {
|
|
chan[i].resVol=chan[i].vol<<4;
|
|
}
|
|
rWrite(q1_reg_map[Q1V_VOL][i],chan[i].resVol);
|
|
}
|
|
}
|
|
if (chan[i].keyOff) {
|
|
// Disable volume
|
|
rWrite(q1_reg_map[Q1V_VOL][i],0);
|
|
rWrite(q1_reg_map[Q1V_FREQ][i],0);
|
|
} else if (chan[i].active) {
|
|
//logV("ch %d frequency set to %04x, off=%f, note=%d, %04x!",i,chan[i].freq,off,chan[i].note,QS_NOTE_FREQUENCY(chan[i].note));
|
|
rWrite(q1_reg_map[Q1V_FREQ][i],chan[i].freq);
|
|
}
|
|
if (chan[i].keyOn) chan[i].keyOn=false;
|
|
if (chan[i].keyOff) chan[i].keyOff=false;
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformQSound::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
|
|
chan[c.chan].isNewQSound=(ins->type==DIV_INS_QSOUND);
|
|
chan[c.chan].sample=ins->amiga.getSample(c.value);
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=QS_NOTE_FREQUENCY(c.value);
|
|
}
|
|
if (chan[c.chan].sample<0 || chan[c.chan].sample>=parent->song.sampleLen) {
|
|
chan[c.chan].sample=-1;
|
|
}
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
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].isNewQSound) {
|
|
chan[c.chan].resVol=(chan[c.chan].outVol*16383)/255;
|
|
} else {
|
|
chan[c.chan].resVol=chan[c.chan].outVol<<4;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
chan[c.chan].sample=-1;
|
|
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) {
|
|
// Check if enabled and write volume
|
|
chan[c.chan].outVol=c.value;
|
|
if (chan[c.chan].isNewQSound) {
|
|
chan[c.chan].resVol=(chan[c.chan].outVol*16383)/255;
|
|
} else {
|
|
chan[c.chan].resVol=chan[c.chan].outVol<<4;
|
|
}
|
|
if (chan[c.chan].active && c.chan<16) {
|
|
rWrite(q1_reg_map[Q1V_VOL][c.chan],chan[c.chan].resVol);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case DIV_CMD_GET_VOLUME:
|
|
if (chan[c.chan].std.vol.has) {
|
|
return chan[c.chan].vol;
|
|
}
|
|
return chan[c.chan].outVol;
|
|
break;
|
|
case DIV_CMD_PANNING:
|
|
chan[c.chan].panning=parent->convertPanSplitToLinearLR(c.value,c.value2,32);
|
|
immWrite(Q1_PAN+c.chan,chan[c.chan].panning+0x110+(chan[c.chan].surround?0:0x30));
|
|
break;
|
|
case DIV_CMD_QSOUND_ECHO_LEVEL:
|
|
chan[c.chan].echo=c.value<<7;
|
|
immWrite(Q1_ECHO+c.chan,chan[c.chan].echo&0x7fff);
|
|
break;
|
|
case DIV_CMD_QSOUND_ECHO_FEEDBACK:
|
|
immWrite(Q1_ECHO_FEEDBACK, c.value << 6);
|
|
break;
|
|
case DIV_CMD_QSOUND_ECHO_DELAY:
|
|
immWrite(Q1_ECHO_LENGTH, (c.value > 2725 ? 0xfff : 0xfff - (2725 - c.value)));
|
|
break;
|
|
case DIV_CMD_QSOUND_SURROUND:
|
|
chan[c.chan].surround=c.value;
|
|
immWrite(Q1_PAN+c.chan,chan[c.chan].panning+0x110+(chan[c.chan].surround?0:0x30));
|
|
break;
|
|
case DIV_CMD_PITCH:
|
|
chan[c.chan].pitch=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
int destFreq=QS_NOTE_FREQUENCY(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=QS_NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val-12):(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_AMIGA));
|
|
}
|
|
if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will) chan[c.chan].baseFreq=QS_NOTE_FREQUENCY(chan[c.chan].note);
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 255;
|
|
break;
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformQSound::muteChannel(int ch, bool mute) {
|
|
if (mute) {
|
|
chip.mute_mask|=(1<<ch);
|
|
} else {
|
|
chip.mute_mask&=~(1<<ch);
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::forceIns() {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].insChanged=true;
|
|
chan[i].freqChanged=true;
|
|
chan[i].sample=-1;
|
|
}
|
|
}
|
|
|
|
void* DivPlatformQSound::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformQSound::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformQSound::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
void DivPlatformQSound::reset() {
|
|
for (int i=0; i<16; i++) {
|
|
chan[i]=DivPlatformQSound::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
qsound_reset(&chip);
|
|
while(!chip.ready_flag) {
|
|
qsound_update(&chip);
|
|
}
|
|
|
|
immWrite(Q1_ECHO_LENGTH, 0xfff - (2725 - echoDelay));
|
|
immWrite(Q1_ECHO_FEEDBACK, echoFeedback << 6);
|
|
}
|
|
|
|
bool DivPlatformQSound::isStereo() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformQSound::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformQSound::notifyInsChange(int ins) {
|
|
for (int i=0; i<4; i++) {
|
|
if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::notifyWaveChange(int wave) {
|
|
// TODO when wavetables are added
|
|
// TODO they probably won't be added unless the samples reside in RAM
|
|
}
|
|
|
|
void DivPlatformQSound::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::setFlags(const DivConfig& flags) {
|
|
echoDelay = 2725 - flags.getInt("echoDelay",0);
|
|
echoFeedback = flags.getInt("echoFeedback",0) & 255;
|
|
|
|
if (echoDelay < 0) {
|
|
echoDelay = 0;
|
|
}
|
|
if (echoDelay > 2725) {
|
|
echoDelay = 2725;
|
|
}
|
|
//rate=chipClock/CHIP_DIVIDER;
|
|
}
|
|
|
|
void DivPlatformQSound::poke(unsigned int addr, unsigned short val) {
|
|
immWrite(addr, val);
|
|
immWrite(addr, val);
|
|
}
|
|
|
|
void DivPlatformQSound::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
unsigned char* DivPlatformQSound::getRegisterPool() {
|
|
unsigned short* regPoolPtr = regPool;
|
|
for(int i=0; i<256; i++)
|
|
{
|
|
uint16_t data = qsound_read_data(&chip, i);
|
|
*regPoolPtr++ = data;
|
|
}
|
|
return (unsigned char*)regPool;
|
|
}
|
|
|
|
int DivPlatformQSound::getRegisterPoolSize() {
|
|
return 256;
|
|
}
|
|
|
|
int DivPlatformQSound::getRegisterPoolDepth() {
|
|
return 16;
|
|
}
|
|
|
|
const void* DivPlatformQSound::getSampleMem(int index) {
|
|
return index == 0 ? sampleMem : NULL;
|
|
}
|
|
|
|
size_t DivPlatformQSound::getSampleMemCapacity(int index) {
|
|
return index == 0 ? 16777216 : 0;
|
|
}
|
|
|
|
size_t DivPlatformQSound::getSampleMemUsage(int index) {
|
|
return index == 0 ? sampleMemLen : 0;
|
|
}
|
|
|
|
// TODO: ADPCM... come on...
|
|
void DivPlatformQSound::renderSamples() {
|
|
memset(sampleMem,0,getSampleMemCapacity());
|
|
|
|
size_t memPos=0;
|
|
for (int i=0; i<parent->song.sampleLen; i++) {
|
|
DivSample* s=parent->song.sample[i];
|
|
int length=s->length8;
|
|
if (length>65536-16) {
|
|
length=65536-16;
|
|
}
|
|
if ((memPos&0xff0000)!=((memPos+length)&0xff0000)) {
|
|
memPos=(memPos+0xffff)&0xff0000;
|
|
}
|
|
if (memPos>=getSampleMemCapacity()) {
|
|
logW("out of QSound PCM memory for sample %d!",i);
|
|
break;
|
|
}
|
|
if (memPos+length>=getSampleMemCapacity()) {
|
|
for (unsigned int i=0; i<getSampleMemCapacity()-(memPos+length); i++) {
|
|
sampleMem[(memPos+i)^0x8000]=s->data8[i];
|
|
}
|
|
logW("out of QSound PCM memory for sample %d!",i);
|
|
} else {
|
|
for (int i=0; i<length; i++) {
|
|
sampleMem[(memPos+i)^0x8000]=s->data8[i];
|
|
}
|
|
}
|
|
offPCM[i]=memPos^0x8000;
|
|
memPos+=length+16;
|
|
}
|
|
sampleMemLen=memPos+256;
|
|
}
|
|
|
|
int DivPlatformQSound::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
|
|
for (int i=0; i<19; i++) {
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
//isMuted[i]=false;
|
|
}
|
|
setFlags(flags);
|
|
|
|
chipClock=60000000;
|
|
rate = qsound_start(&chip, chipClock);
|
|
sampleMem=new unsigned char[getSampleMemCapacity()];
|
|
sampleMemLen=0;
|
|
chip.rom_data=sampleMem;
|
|
chip.rom_mask=0xffffff;
|
|
reset();
|
|
|
|
for (int i=0; i<19; i++) {
|
|
oscBuf[i]->rate=rate;
|
|
}
|
|
return 19;
|
|
}
|
|
|
|
void DivPlatformQSound::quit() {
|
|
delete[] sampleMem;
|
|
for (int i=0; i<19; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
}
|