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2
CMakeLists.txt
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@ -244,6 +244,7 @@ extern/adpcm/ymz_codec.c
extern/Nuked-OPN2/ym3438.c
extern/opm/opm.c
extern/Nuked-OPLL/opll.c
src/engine/platform/sound/sn76496.cpp
src/engine/platform/sound/ay8910.cpp
src/engine/platform/sound/saa1099.cpp
@ -304,6 +305,7 @@ src/engine/platform/abstract.cpp
src/engine/platform/genesis.cpp
src/engine/platform/genesisext.cpp
src/engine/platform/sms.cpp
src/engine/platform/opll.cpp
src/engine/platform/gb.cpp
src/engine/platform/pce.cpp
src/engine/platform/nes.cpp

12
extern/Nuked-OPLL/.github/FUNDING.yml vendored Normal file
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@ -0,0 +1,12 @@
# These are supported funding model platforms
github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
patreon: nukeykt # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
custom: ['https://www.buymeacoffee.com/nukeykt', 'https://paypal.me/nukeykt'] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

339
extern/Nuked-OPLL/LICENSE vendored Normal file
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@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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NO WARRANTY
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POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
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.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

1107
extern/Nuked-OPLL/opll.c vendored Normal file
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File diff suppressed because it is too large Load diff

199
extern/Nuked-OPLL/opll.h vendored Normal file
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@ -0,0 +1,199 @@
/*
* Copyright (C) 2019 Nuke.YKT
*
* 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.
*
*
* Yamaha YM2413 emulator
* Thanks:
* siliconpr0n.org(digshadow, John McMaster):
* VRC VII decap and die shot.
*
* version: 1.0.1
*/
#ifndef OPLL_H
#define OPLL_H
#include <stdint.h>
enum {
opll_type_ym2413 = 0x00, /* Yamaha YM2413 */
opll_type_ds1001, /* Konami VRC VII */
opll_type_ym2413b, /* Yamaha YM2413B */
opll_type_ymf281, /* Yamaha YMF281 */
opll_type_ymf281b, /* Yamaha YMF281B */
opll_type_ym2420, /* Yamaha YM2420 */
opll_type_ym2423, /* Yamaha YM2423 */
};
enum {
opll_patch_1 = 0x00,
opll_patch_2,
opll_patch_3,
opll_patch_4,
opll_patch_5,
opll_patch_6,
opll_patch_7,
opll_patch_8,
opll_patch_9,
opll_patch_10,
opll_patch_11,
opll_patch_12,
opll_patch_13,
opll_patch_14,
opll_patch_15,
opll_patch_drum_0,
opll_patch_drum_1,
opll_patch_drum_2,
opll_patch_drum_3,
opll_patch_drum_4,
opll_patch_drum_5,
opll_patch_max
};
typedef struct {
uint8_t tl;
uint8_t dc;
uint8_t dm;
uint8_t fb;
uint8_t am[2];
uint8_t vib[2];
uint8_t et[2];
uint8_t ksr[2];
uint8_t multi[2];
uint8_t ksl[2];
uint8_t ar[2];
uint8_t dr[2];
uint8_t sl[2];
uint8_t rr[2];
} opll_patch_t;
typedef struct {
uint32_t chip_type;
uint32_t cycles;
uint32_t slot;
const opll_patch_t *patchrom;
/* IO */
uint8_t write_data;
uint8_t write_a;
uint8_t write_d;
uint8_t write_a_en;
uint8_t write_d_en;
uint8_t write_fm_address;
uint8_t write_fm_data;
uint8_t write_mode_address;
uint8_t address;
uint8_t data;
/* Envelope generator */
uint8_t eg_counter_state;
uint8_t eg_counter_state_prev;
uint32_t eg_timer;
uint8_t eg_timer_low_lock;
uint8_t eg_timer_carry;
uint8_t eg_timer_shift;
uint8_t eg_timer_shift_lock;
uint8_t eg_timer_shift_stop;
uint8_t eg_state[18];
uint8_t eg_level[18];
uint8_t eg_kon;
uint32_t eg_dokon;
uint8_t eg_off;
uint8_t eg_rate;
uint8_t eg_maxrate;
uint8_t eg_zerorate;
uint8_t eg_inc_lo;
uint8_t eg_inc_hi;
uint8_t eg_rate_hi;
uint16_t eg_sl;
uint16_t eg_ksltl;
uint8_t eg_out;
uint8_t eg_silent;
/* Phase generator */
uint16_t pg_fnum;
uint8_t pg_block;
uint16_t pg_out;
uint32_t pg_inc;
uint32_t pg_phase[18];
uint32_t pg_phase_next;
/* Operator */
int16_t op_fb1[9];
int16_t op_fb2[9];
int16_t op_fbsum;
int16_t op_mod;
uint8_t op_neg;
uint16_t op_logsin;
uint16_t op_exp_m;
uint16_t op_exp_s;
/* Channel */
int16_t ch_out;
int16_t ch_out_hh;
int16_t ch_out_tm;
int16_t ch_out_bd;
int16_t ch_out_sd;
int16_t ch_out_tc;
/* LFO */
uint16_t lfo_counter;
uint8_t lfo_vib_counter;
uint16_t lfo_am_counter;
uint8_t lfo_am_step;
uint8_t lfo_am_dir;
uint8_t lfo_am_car;
uint8_t lfo_am_out;
/* Register set */
uint16_t fnum[9];
uint8_t block[9];
uint8_t kon[9];
uint8_t son[9];
uint8_t vol[9];
uint8_t inst[9];
uint8_t rhythm;
uint8_t testmode;
opll_patch_t patch;
uint8_t c_instr;
uint8_t c_op;
uint8_t c_tl;
uint8_t c_dc;
uint8_t c_dm;
uint8_t c_fb;
uint8_t c_am;
uint8_t c_vib;
uint8_t c_et;
uint8_t c_ksr;
uint8_t c_ksr_freq;
uint8_t c_ksl_freq;
uint8_t c_ksl_block;
uint8_t c_multi;
uint8_t c_ksl;
uint8_t c_adrr[3];
uint8_t c_sl;
uint16_t c_fnum;
uint16_t c_block;
/* Rhythm mode */
int8_t rm_enable;
uint32_t rm_noise;
uint32_t rm_select;
uint8_t rm_hh_bit2;
uint8_t rm_hh_bit3;
uint8_t rm_hh_bit7;
uint8_t rm_hh_bit8;
uint8_t rm_tc_bit3;
uint8_t rm_tc_bit5;
int16_t output_m;
int16_t output_r;
} opll_t;
void OPLL_Reset(opll_t *chip, uint32_t chip_type);
void OPLL_Clock(opll_t *chip, int32_t *buffer);
void OPLL_Write(opll_t *chip, uint32_t port, uint8_t data);
#endif

2
papers/doc/3-pattern/effects.md
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@ -48,4 +48,4 @@ however, effects are continuous, which means you only need to type it once and t
- `80` is center.
- `FFxx`: end of song/stop playback.
additionally each system has its own effects. more details in another section of the manual.
additionally each system has its own effects. [click here for more details](../7-systems/README.md).

32
papers/format.md
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@ -4,8 +4,12 @@ while Furnace works directly with the .dmf format, I had to create a new format
this document has the goal of detailing the format.
**notice:** GitHub's Markdown formatter may break on this file as it doesn't seem to treat tables correctly.
# information
files may be zlib-compressed, but Furnace accepts uncompressed files as well.
all numbers are little-endian.
the following fields may be found in "size":
@ -25,10 +29,12 @@ furthermore, an `or reserved` indicates this field is always present, but is res
the format versions are:
- 60: Furnace dev60
- 59: Furnace dev59
- 58: Furnace dev58
- 57: Furnace dev57
- 54: Furnace 0.5.8
- 53: Furnace 0.5.7
- 52: Furnace 0.5.7pre4
- 51: Furnace 0.5.7pre3
@ -69,6 +75,7 @@ the format versions are:
the header is 32 bytes long.
```
size | description
-----|------------------------------------
16 | "-Furnace module-" format magic
@ -76,9 +83,11 @@ size | description
2 | reserved
4 | song info pointer
8 | reserved
```
# song info
```
size | description
-----|------------------------------------
4 | "INFO" block ID
@ -189,9 +198,9 @@ size | description
4?? | pointers to samples
4?? | pointers to patterns
??? | orders
| - a table of shorts
| - a table of bytes
| - size=channels*ordLen
| - read orders than channels
| - read orders then channels
??? | effect columns
| - size=channels
1?? | channel hide status
@ -205,9 +214,11 @@ size | description
STR | song comment
4f | master volume, 1.0f=100% (>=59)
| this is 2.0f for modules before 59
```
# instrument
```
size | description
-----|------------------------------------
4 | "INST" block ID
@ -227,7 +238,11 @@ size | description
1 | fms
1 | ams
1 | operator count (always 4)
3 | reserved
1 | OPLL preset (>=60) or reserved
| - 0: custom
| - 1-15: pre-defined patches
| - 16: drums (compatibility only!)
2 | reserved
--- | **FM operator data** × 4
1 | am
1 | ar
@ -411,9 +426,11 @@ size | description
4 | DT macro release
4 | D2R macro release
4 | SSG-EG macro release
```
# wavetable
```
size | description
-----|------------------------------------
4 | "WAVE" block ID
@ -423,9 +440,11 @@ size | description
4 | wavetable min
4 | wavetable max
4?? | wavetable data
```
# sample
```
size | description
-----|------------------------------------
4 | "SMPL" block ID
@ -453,9 +472,11 @@ size | description
??? | sample data
| - version<58 size is length*2
| - version>=58 size is length
```
# pattern
```
size | description
-----|------------------------------------
4 | "PATR" block ID
@ -472,11 +493,13 @@ size | description
| - volume
| - effect and effect data...
STR | pattern name (>=51)
```
# the Furnace instrument format (.fui)
the instrument format is pretty similar to the file format, but it also stores wavetables and samples used by the instrument.
```
size | description
-----|------------------------------------
16 | "-Furnace instr.-" format magic
@ -488,6 +511,7 @@ size | description
4 | reserved
4?? | pointers to wavetables
4?? | pointers to samples
```
instrument data follows.
@ -495,10 +519,12 @@ instrument data follows.
similar to the instrument format...
```
size | description
-----|------------------------------------
16 | "-Furnace waveta-" format magic
2 | format version
2 | reserved
```
wavetable data follows.

8
src/engine/dispatchContainer.cpp
View file

@ -22,6 +22,7 @@
#include "platform/genesis.h"
#include "platform/genesisext.h"
#include "platform/sms.h"
#include "platform/opll.h"
#include "platform/gb.h"
#include "platform/pce.h"
#include "platform/nes.h"
@ -193,6 +194,13 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
case DIV_SYSTEM_TIA:
dispatch=new DivPlatformTIA;
break;
case DIV_SYSTEM_OPLL:
case DIV_SYSTEM_OPLL_DRUMS:
case DIV_SYSTEM_VRC7:
dispatch=new DivPlatformOPLL;
((DivPlatformOPLL*)dispatch)->setVRC7(sys==DIV_SYSTEM_VRC7);
((DivPlatformOPLL*)dispatch)->setProperDrums(sys==DIV_SYSTEM_OPLL_DRUMS);
break;
case DIV_SYSTEM_SAA1099: {
int saaCore=eng->getConfInt("saaCore",0);
if (saaCore<0 || saaCore>2) saaCore=0;

55
src/engine/engine.cpp
View file

@ -460,12 +460,12 @@ void DivEngine::renderSamples() {
memPos=(memPos+0xfffff)&0xf00000;
}
if (memPos>=16777216) {
logW("out of ADPCM memory for sample %d!\n",i);
logW("out of ADPCM-A memory for sample %d!\n",i);
break;
}
if (memPos+paddedLen>=16777216) {
memcpy(adpcmAMem+memPos,s->dataA,16777216-memPos);
logW("out of ADPCM memory for sample %d!\n",i);
logW("out of ADPCM-A memory for sample %d!\n",i);
} else {
memcpy(adpcmAMem+memPos,s->dataA,paddedLen);
}
@ -474,6 +474,31 @@ void DivEngine::renderSamples() {
}
adpcmAMemLen=memPos+256;
// step 2: allocate ADPCM-B samples
if (adpcmBMem==NULL) adpcmBMem=new unsigned char[16777216];
memPos=0;
for (int i=0; i<song.sampleLen; i++) {
DivSample* s=song.sample[i];
int paddedLen=(s->lengthB+255)&(~0xff);
if ((memPos&0xf00000)!=((memPos+paddedLen)&0xf00000)) {
memPos=(memPos+0xfffff)&0xf00000;
}
if (memPos>=16777216) {
logW("out of ADPCM-B memory for sample %d!\n",i);
break;
}
if (memPos+paddedLen>=16777216) {
memcpy(adpcmBMem+memPos,s->dataB,16777216-memPos);
logW("out of ADPCM-B memory for sample %d!\n",i);
} else {
memcpy(adpcmBMem+memPos,s->dataB,paddedLen);
}
s->offB=memPos;
memPos+=paddedLen;
}
adpcmBMemLen=memPos+256;
// step 4: allocate qsound pcm samples
if (qsoundMem==NULL) qsoundMem=new unsigned char[16777216];
@ -623,6 +648,11 @@ DivWavetable* DivEngine::getWave(int index) {
return song.wave[index];
}
DivSample* DivEngine::getSample(int index) {
if (index<0 || index>=song.sampleLen) return &song.nullSample;
return song.sample[index];
}
void DivEngine::setLoops(int loops) {
remainingLoops=loops;
}
@ -1121,15 +1151,24 @@ enum DivInsFormats {
DIV_INSFORMAT_BTI
};
bool DivEngine::addInstrumentFromFile(const char *path) {
bool DivEngine::addInstrumentFromFile(const char* path) {
warnings="";
const char* pathRedux=strrchr(path,DIR_SEPARATOR);
if (pathRedux==NULL) {
pathRedux="Instrument";
pathRedux=path;
} else {
pathRedux++;
}
String stripPath;
const char* pathReduxEnd=strrchr(pathRedux,'.');
if (pathReduxEnd==NULL) {
stripPath=pathRedux;
} else {
for (const char* i=pathRedux; i!=pathReduxEnd && (*i); i++) {
stripPath+=*i;
}
}
FILE* f=ps_fopen(path,"rb");
if (f==NULL) {
@ -1254,7 +1293,7 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
return false;
}
ins->name=pathRedux;
ins->name=stripPath;
if (version>=11) { // 1.0
try {
@ -1487,7 +1526,7 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
reader.seek(0,SEEK_SET);
ins->type=DIV_INS_FM;
ins->name=pathRedux;
ins->name=stripPath;
ins->fm.alg=reader.readC();
ins->fm.fb=reader.readC();
@ -1519,7 +1558,7 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
reader.seek(0,SEEK_SET);
ins->type=DIV_INS_FM;
ins->name=pathRedux;
ins->name=stripPath;
ins->fm.alg=reader.readC();
ins->fm.fb=reader.readC();
@ -1788,7 +1827,7 @@ bool DivEngine::addSampleFromFile(const char* path) {
}
averaged/=si.channels;
if (((si.format&SF_FORMAT_SUBMASK)==SF_FORMAT_PCM_U8)) {
sample->data8[index++]=averaged;
sample->data8[index++]=averaged>>8;
} else {
sample->data16[index++]=averaged;
}

5
src/engine/engine.h
View file

@ -37,8 +37,8 @@
warnings+=(String("\n")+x); \
}
#define DIV_VERSION "dev59"
#define DIV_ENGINE_VERSION 59
#define DIV_VERSION "dev60"
#define DIV_ENGINE_VERSION 60
enum DivStatusView {
DIV_STATUS_NOTHING=0,
@ -260,6 +260,7 @@ class DivEngine {
void nextBuf(float** in, float** out, int inChans, int outChans, unsigned int size);
DivInstrument* getIns(int index);
DivWavetable* getWave(int index);
DivSample* getSample(int index);
// start fresh
void createNew();
// load a file.

14
src/engine/fileOps.cpp
View file

@ -221,14 +221,6 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
addWarning("Yamaha YMU759 emulation is not currently possible!");
}
if (ds.system[0]==DIV_SYSTEM_SMS_OPLL) {
addWarning("Master System FM expansion is not emulated yet. wait for 0.6!");
}
if (ds.system[0]==DIV_SYSTEM_NES_VRC7) {
addWarning("Konami VRC7 is not emulated yet. wait for 0.6!");
}
logI("reading pattern matrix (%d)...\n",ds.ordersLen);
for (int i=0; i<getChannelCount(ds.system[0]); i++) {
for (int j=0; j<ds.ordersLen; j++) {
@ -307,10 +299,16 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
for (int j=0; j<ins->fm.ops; j++) {
ins->fm.op[j].am=reader.readC();
ins->fm.op[j].ar=reader.readC();
if (ds.system[0]==DIV_SYSTEM_SMS_OPLL || ds.system[0]==DIV_SYSTEM_NES_VRC7) {
ins->fm.op[j].ar&=15;
}
if (ds.version<0x13) {
ins->fm.op[j].dam=reader.readC();
}
ins->fm.op[j].dr=reader.readC();
if (ds.system[0]==DIV_SYSTEM_SMS_OPLL || ds.system[0]==DIV_SYSTEM_NES_VRC7) {
ins->fm.op[j].dr&=15;
}
if (ds.version<0x13) {
ins->fm.op[j].dvb=reader.readC();
ins->fm.op[j].egt=reader.readC();

8
src/engine/instrument.cpp
View file

@ -40,9 +40,9 @@ void DivInstrument::putInsData(SafeWriter* w) {
w->writeC(fm.fms);
w->writeC(fm.ams);
w->writeC(4); // operator count; always 4
w->writeC(fm.opllPreset);
w->writeC(0); // reserved
w->writeC(0);
w->writeC(0);
for (int j=0; j<4; j++) {
DivInstrumentFM::Operator& op=fm.op[j];
@ -325,7 +325,11 @@ DivDataErrors DivInstrument::readInsData(SafeReader& reader, short version) {
fm.fms=reader.readC();
fm.ams=reader.readC();
fm.ops=reader.readC();
reader.readC();
if (version>=60) {
fm.opllPreset=reader.readC();
} else {
reader.readC();
}
reader.readC();
reader.readC();

39
src/engine/instrument.h
View file

@ -54,7 +54,7 @@ struct DivInstrumentFM {
unsigned char alg, fb, fms, ams, ops, opllPreset;
struct Operator {
unsigned char am, ar, dr, mult, rr, sl, tl, dt2, rs, dt, d2r, ssgEnv;
unsigned char dam, dvb, egt, ksl, sus, vib, ws, ksr; // YMU759
unsigned char dam, dvb, egt, ksl, sus, vib, ws, ksr; // YMU759/OPL
Operator():
am(0),
ar(0),
@ -82,7 +82,8 @@ struct DivInstrumentFM {
fb(0),
fms(0),
ams(0),
ops(4) {
ops(4),
opllPreset(0) {
// default instrument
fb=4;
op[0].tl=42;
@ -160,31 +161,55 @@ struct DivInstrumentSTD {
unsigned char dtMacro[256];
unsigned char d2rMacro[256];
unsigned char ssgMacro[256];
unsigned char damMacro[256];
unsigned char dvbMacro[256];
unsigned char egtMacro[256];
unsigned char kslMacro[256];
unsigned char susMacro[256];
unsigned char vibMacro[256];
unsigned char wsMacro[256];
unsigned char ksrMacro[256];
bool amMacroOpen, arMacroOpen, drMacroOpen, multMacroOpen;
bool rrMacroOpen, slMacroOpen, tlMacroOpen, dt2MacroOpen;
bool rsMacroOpen, dtMacroOpen, d2rMacroOpen, ssgMacroOpen;
bool damMacroOpen, dvbMacroOpen, egtMacroOpen, kslMacroOpen;
bool susMacroOpen, vibMacroOpen, wsMacroOpen, ksrMacroOpen;
unsigned char amMacroLen, arMacroLen, drMacroLen, multMacroLen;
unsigned char rrMacroLen, slMacroLen, tlMacroLen, dt2MacroLen;
unsigned char rsMacroLen, dtMacroLen, d2rMacroLen, ssgMacroLen;
unsigned char damMacroLen, dvbMacroLen, egtMacroLen, kslMacroLen;
unsigned char susMacroLen, vibMacroLen, wsMacroLen, ksrMacroLen;
signed char amMacroLoop, arMacroLoop, drMacroLoop, multMacroLoop;
signed char rrMacroLoop, slMacroLoop, tlMacroLoop, dt2MacroLoop;
signed char rsMacroLoop, dtMacroLoop, d2rMacroLoop, ssgMacroLoop;
signed char damMacroLoop, dvbMacroLoop, egtMacroLoop, kslMacroLoop;
signed char susMacroLoop, vibMacroLoop, wsMacroLoop, ksrMacroLoop;
signed char amMacroRel, arMacroRel, drMacroRel, multMacroRel;
signed char rrMacroRel, slMacroRel, tlMacroRel, dt2MacroRel;
signed char rsMacroRel, dtMacroRel, d2rMacroRel, ssgMacroRel;
signed char damMacroRel, dvbMacroRel, egtMacroRel, kslMacroRel;
signed char susMacroRel, vibMacroRel, wsMacroRel, ksrMacroRel;
OpMacro():
amMacroOpen(false), arMacroOpen(false), drMacroOpen(false), multMacroOpen(false),
rrMacroOpen(false), slMacroOpen(false), tlMacroOpen(true), dt2MacroOpen(false),
rsMacroOpen(false), dtMacroOpen(false), d2rMacroOpen(false), ssgMacroOpen(false),
damMacroOpen(false), dvbMacroOpen(false), egtMacroOpen(false), kslMacroOpen(false),
susMacroOpen(false), vibMacroOpen(false), wsMacroOpen(false), ksrMacroOpen(false),
amMacroLen(0), arMacroLen(0), drMacroLen(0), multMacroLen(0),
rrMacroLen(0), slMacroLen(0), tlMacroLen(0), dt2MacroLen(0),
rsMacroLen(0), dtMacroLen(0), d2rMacroLen(0), ssgMacroLen(0),
damMacroLen(0), dvbMacroLen(0), egtMacroLen(0), kslMacroLen(0),
susMacroLen(0), vibMacroLen(0), wsMacroLen(0), ksrMacroLen(0),
amMacroLoop(-1), arMacroLoop(-1), drMacroLoop(-1), multMacroLoop(-1),
rrMacroLoop(-1), slMacroLoop(-1), tlMacroLoop(-1), dt2MacroLoop(-1),
rsMacroLoop(-1), dtMacroLoop(-1), d2rMacroLoop(-1), ssgMacroLoop(-1),
damMacroLoop(-1), dvbMacroLoop(-1), egtMacroLoop(-1), kslMacroLoop(-1),
susMacroLoop(-1), vibMacroLoop(-1), wsMacroLoop(-1), ksrMacroLoop(-1),
amMacroRel(-1), arMacroRel(-1), drMacroRel(-1), multMacroRel(-1),
rrMacroRel(-1), slMacroRel(-1), tlMacroRel(-1), dt2MacroRel(-1),
rsMacroRel(-1), dtMacroRel(-1), d2rMacroRel(-1), ssgMacroRel(-1) {
rsMacroRel(-1), dtMacroRel(-1), d2rMacroRel(-1), ssgMacroRel(-1),
damMacroRel(-1), dvbMacroRel(-1), egtMacroRel(-1), kslMacroRel(-1),
susMacroRel(-1), vibMacroRel(-1), wsMacroRel(-1), ksrMacroRel(-1) {
memset(amMacro,0,256);
memset(arMacro,0,256);
memset(drMacro,0,256);
@ -197,6 +222,14 @@ struct DivInstrumentSTD {
memset(dtMacro,0,256);
memset(d2rMacro,0,256);
memset(ssgMacro,0,256);
memset(damMacro,0,256);
memset(dvbMacro,0,256);
memset(egtMacro,0,256);
memset(kslMacro,0,256);
memset(susMacro,0,256);
memset(vibMacro,0,256);
memset(wsMacro,0,256);
memset(ksrMacro,0,256);
}
} opMacros[4];
DivInstrumentSTD():

8
src/engine/platform/amiga.cpp
View file

@ -71,7 +71,7 @@ void DivPlatformAmiga::acquire(short* bufL, short* bufR, size_t start, size_t le
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
chan[i].audSub-=AMIGA_DIVIDER;
if (chan[i].audSub<0) {
DivSample* s=parent->song.sample[chan[i].sample];
DivSample* s=parent->getSample(chan[i].sample);
if (s->samples>0) {
chan[i].audDat=s->data8[chan[i].audPos++];
if (chan[i].audPos>=s->samples || chan[i].audPos>=131071) {
@ -117,7 +117,7 @@ void DivPlatformAmiga::tick() {
}
double off=1.0;
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[i].sample];
DivSample* s=parent->getSample(chan[i].sample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -171,7 +171,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
chan[c.chan].sample=ins->amiga.initSample;
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[c.chan].sample];
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -258,7 +258,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
case DIV_CMD_LEGATO: {
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[c.chan].sample];
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {

1
src/engine/platform/gb.cpp
View file

@ -216,7 +216,6 @@ void DivPlatformGB::tick() {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true);
if (chan[i].freq>2047) chan[i].freq=2047;
}
if (chan[i].note>0x5d) chan[i].freq=0x01;
if (chan[i].keyOn) {
if (i==2) { // wave
if (chan[i].wave<0) {

10
src/engine/platform/genesis.cpp
View file

@ -89,7 +89,7 @@ void DivPlatformGenesis::acquire_nuked(short* bufL, short* bufR, size_t start, s
if (dacMode && dacSample!=-1) {
dacPeriod-=6;
if (dacPeriod<1) {
DivSample* s=parent->song.sample[dacSample];
DivSample* s=parent->getSample(dacSample);
if (s->samples>0) {
if (!isMuted[5]) {
immWrite(0x2a,(unsigned char)s->data8[dacPos]+0x80);
@ -159,7 +159,7 @@ void DivPlatformGenesis::acquire_ymfm(short* bufL, short* bufR, size_t start, si
if (dacMode && dacSample!=-1) {
dacPeriod-=24;
if (dacPeriod<1) {
DivSample* s=parent->song.sample[dacSample];
DivSample* s=parent->getSample(dacSample);
if (s->samples>0) {
if (!isMuted[5]) {
immWrite(0x2a,(unsigned char)s->data8[dacPos]+0x80);
@ -373,7 +373,7 @@ void DivPlatformGenesis::tick() {
if (chan[i].furnaceDac && dacMode) {
double off=1.0;
if (dacSample>=0 && dacSample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[dacSample];
DivSample* s=parent->getSample(dacSample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -510,8 +510,8 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
}
dacPos=0;
dacPeriod=0;
dacRate=1280000/MAX(1,parent->song.sample[dacSample]->rate);
if (dumpWrites) addWrite(0xffff0001,parent->song.sample[dacSample]->rate);
dacRate=1280000/MAX(1,parent->getSample(dacSample)->rate);
if (dumpWrites) addWrite(0xffff0001,parent->getSample(dacSample)->rate);
chan[c.chan].furnaceDac=false;
}
break;

1
src/engine/platform/lynx.cpp
View file

@ -273,6 +273,7 @@ void DivPlatformLynx::forceIns() {
chan[i].insChanged=true;
chan[i].freqChanged=true;
}
WRITE_ATTEN(i,chan[i].pan);
}
}

6
src/engine/platform/nes.cpp
View file

@ -75,7 +75,7 @@ void DivPlatformNES::acquire(short* bufL, short* bufR, size_t start, size_t len)
if (dacSample!=-1) {
dacPeriod+=dacRate;
if (dacPeriod>=rate) {
DivSample* s=parent->song.sample[dacSample];
DivSample* s=parent->getSample(dacSample);
if (s->samples>0) {
if (!isMuted[4]) {
rWrite(0x4011,((unsigned char)s->data8[dacPos]+0x80)>>1);
@ -238,7 +238,7 @@ void DivPlatformNES::tick() {
if (chan[4].furnaceDac) {
double off=1.0;
if (dacSample>=0 && dacSample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[dacSample];
DivSample* s=parent->getSample(dacSample);
off=(double)s->centerRate/8363.0;
}
dacRate=MIN(chan[4].freq*off,32000);
@ -286,7 +286,7 @@ int DivPlatformNES::dispatch(DivCommand c) {
}
dacPos=0;
dacPeriod=0;
dacRate=parent->song.sample[dacSample]->rate;
dacRate=parent->getSample(dacSample)->rate;
if (dumpWrites) addWrite(0xffff0001,dacRate);
chan[c.chan].furnaceDac=false;
}

716
src/engine/platform/opll.cpp Normal file
View file

@ -0,0 +1,716 @@
/**
* 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 "opll.h"
#include "../engine.h"
#include <string.h>
#include <math.h>
#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
#define immWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
#define CHIP_FREQBASE 295017
const char* DivPlatformOPLL::getEffectName(unsigned char effect) {
switch (effect) {
case 0x10:
return "10xy: Setup LFO (x: enable; y: speed)";
break;
case 0x11:
return "11xx: Set feedback (0 to 7)";
break;
case 0x12:
return "12xx: Set level of operator 1 (0 highest, 7F lowest)";
break;
case 0x13:
return "13xx: Set level of operator 2 (0 highest, 7F lowest)";
break;
case 0x14:
return "14xx: Set level of operator 3 (0 highest, 7F lowest)";
break;
case 0x15:
return "15xx: Set level of operator 4 (0 highest, 7F lowest)";
break;
case 0x16:
return "16xy: Set operator multiplier (x: operator from 1 to 4; y: multiplier)";
break;
case 0x17:
return "17xx: Enable channel 6 DAC";
break;
case 0x18:
return "18xx: Toggle extended channel 3 mode";
break;
case 0x19:
return "19xx: Set attack of all operators (0 to 1F)";
break;
case 0x1a:
return "1Axx: Set attack of operator 1 (0 to 1F)";
break;
case 0x1b:
return "1Bxx: Set attack of operator 2 (0 to 1F)";
break;
case 0x1c:
return "1Cxx: Set attack of operator 3 (0 to 1F)";
break;
case 0x1d:
return "1Dxx: Set attack of operator 4 (0 to 1F)";
break;
}
return NULL;
}
const unsigned char cycleMapOPLL[18]={
1, 2, 0, 1, 2, 3, 4, 5, 3, 4, 5, 6, 7, 8, 6, 7, 8, 0
};
void DivPlatformOPLL::acquire_nuked(short* bufL, short* bufR, size_t start, size_t len) {
static int o[2];
static int os;
for (size_t h=start; h<start+len; h++) {
os=0;
for (int i=0; i<9; i++) {
if (!writes.empty() && --delay<0) {
// 84 is safe value
QueuedWrite& w=writes.front();
if (w.addrOrVal) {
OPLL_Write(&fm,1,w.val);
//printf("write: %x = %.2x\n",w.addr,w.val);
regPool[w.addr&0xff]=w.val;
writes.pop();
delay=21;
} else {
//printf("busycounter: %d\n",lastBusy);
OPLL_Write(&fm,0,w.addr);
w.addrOrVal=true;
delay=3;
}
}
unsigned char nextOut=cycleMapOPLL[(fm.cycles+17)%18];
OPLL_Clock(&fm,o);
if (!isMuted[nextOut]) {
os+=(o[0]+o[1]);
}
}
os*=50;
if (os<-32768) os=-32768;
if (os>32767) os=32767;
bufL[h]=os;
}
}
void DivPlatformOPLL::acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len) {
}
void DivPlatformOPLL::acquire(short* bufL, short* bufR, size_t start, size_t len) {
acquire_nuked(bufL,bufR,start,len);
}
void DivPlatformOPLL::tick() {
for (int i=0; i<9; i++) {
chan[i].std.next();
if (chan[i].std.hadVol) {
chan[i].outVol=(chan[i].vol*MIN(127,chan[i].std.vol))/127;
rWrite(0x30+i,(15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)|(chan[i].state.opllPreset<<4));
}
if (chan[i].std.hadArp) {
if (!chan[i].inPorta) {
if (chan[i].std.arpMode) {
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp);
} else {
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+(signed char)chan[i].std.arp);
}
}
chan[i].freqChanged=true;
} else {
if (chan[i].std.arpMode && chan[i].std.finishedArp) {
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
chan[i].freqChanged=true;
}
}
/*
if (chan[i].std.hadAlg) {
chan[i].state.alg=chan[i].std.alg;
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
}
if (chan[i].std.hadFb) {
chan[i].state.fb=chan[i].std.fb;
}
if (chan[i].std.hadFms) {
chan[i].state.fms=chan[i].std.fms;
}
if (chan[i].std.hadAms) {
chan[i].state.ams=chan[i].std.ams;
}
for (int j=0; j<2; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
DivMacroInt::IntOp& m=chan[i].std.op[j];
if (m.hadAm) {
op.am=m.am;
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
}
if (m.hadAr) {
op.ar=m.ar;
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
if (m.hadDr) {
op.dr=m.dr;
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
}
if (m.hadMult) {
op.mult=m.mult;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
}
if (m.hadRr) {
op.rr=m.rr;
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
if (m.hadSl) {
op.sl=m.sl;
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
if (m.hadTl) {
op.tl=127-m.tl;
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (m.hadRs) {
op.rs=m.rs;
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
if (m.hadDt) {
op.dt=m.dt;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
}
if (m.hadD2r) {
op.d2r=m.d2r;
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
}
if (m.hadSsg) {
op.ssgEnv=m.ssg;
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
}
}*/
if (chan[i].keyOn || chan[i].keyOff) {
if (i>=6 && drums) {
drumState&=~(0x10>>(chan[i].note%12));
immWrite(0x0e,0x20|drumState);
} else {
immWrite(0x20+i,(chan[i].freqH)/*|(chan[i].state.alg?0x20:0)*/);
}
//chan[i].keyOn=false;
chan[i].keyOff=false;
}
}
for (int i=0; i<256; i++) {
if (pendingWrites[i]!=oldWrites[i]) {
immWrite(i,pendingWrites[i]&0xff);
oldWrites[i]=pendingWrites[i];
}
}
for (int i=0; i<9; i++) {
if (chan[i].freqChanged) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq));
if (chan[i].freq>262143) chan[i].freq=262143;
int freqt=toFreq(chan[i].freq);
chan[i].freqH=freqt>>8;
chan[i].freqL=freqt&0xff;
if (i<6 || !drums) {
immWrite(0x10+i,freqt&0xff);
}
}
if (chan[i].keyOn && i>=6 && drums) {
//printf("%d\n",chan[i].note%12);
drumState|=(0x10>>(chan[i].note%12));
immWrite(0x0e,0x20|drumState);
chan[i].keyOn=false;
} else if (chan[i].keyOn || chan[i].freqChanged) {
//immWrite(0x28,0xf0|konOffs[i]);
immWrite(0x20+i,(chan[i].freqH)|(chan[i].active<<4)|(chan[i].state.alg?0x20:0));
chan[i].keyOn=false;
}
chan[i].freqChanged=false;
}
}
#define OPLL_C_NUM 343
int DivPlatformOPLL::octave(int freq) {
if (freq>=OPLL_C_NUM*64) {
return 128;
} else if (freq>=OPLL_C_NUM*32) {
return 64;
} else if (freq>=OPLL_C_NUM*16) {
return 32;
} else if (freq>=OPLL_C_NUM*8) {
return 16;
} else if (freq>=OPLL_C_NUM*4) {
return 8;
} else if (freq>=OPLL_C_NUM*2) {
return 4;
} else if (freq>=OPLL_C_NUM) {
return 2;
} else {
return 1;
}
return 1;
}
int DivPlatformOPLL::toFreq(int freq) {
if (freq>=OPLL_C_NUM*64) {
return 0xe00|((freq>>7)&0x1ff);
} else if (freq>=OPLL_C_NUM*32) {
return 0xc00|((freq>>6)&0x1ff);
} else if (freq>=OPLL_C_NUM*16) {
return 0xa00|((freq>>5)&0x1ff);
} else if (freq>=OPLL_C_NUM*8) {
return 0x800|((freq>>4)&0x1ff);
} else if (freq>=OPLL_C_NUM*4) {
return 0x600|((freq>>3)&0x1ff);
} else if (freq>=OPLL_C_NUM*2) {
return 0x400|((freq>>2)&0x1ff);
} else if (freq>=OPLL_C_NUM) {
return 0x200|((freq>>1)&0x1ff);
} else {
return freq&0x1ff;
}
}
void DivPlatformOPLL::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
/*
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[ch]|opOffs[j];
DivInstrumentFM::Operator& op=chan[ch].state.op[j];
if (isMuted[ch]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[ch].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[ch].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));*/
}
int DivPlatformOPLL::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
if (chan[c.chan].insChanged) {
chan[c.chan].state=ins->fm;
}
chan[c.chan].std.init(ins);
if (!chan[c.chan].std.willVol) {
chan[c.chan].outVol=chan[c.chan].vol;
}
if (chan[c.chan].insChanged) {
// update custom preset
if (chan[c.chan].state.opllPreset==0) {
DivInstrumentFM::Operator& mod=chan[c.chan].state.op[0];
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
rWrite(0x00,(mod.am<<7)|(mod.vib<<6)|((mod.ssgEnv&8)<<2)|(mod.ksr<<4)|(mod.mult));
rWrite(0x01,(car.am<<7)|(car.vib<<6)|((car.ssgEnv&8)<<2)|(car.ksr<<4)|(car.mult));
rWrite(0x02,(car.ksl<<6)|(mod.tl&63));
rWrite(0x03,(mod.ksl<<6)|((chan[c.chan].state.fms&1)<<4)|((chan[c.chan].state.ams&1)<<3)|chan[c.chan].state.fb);
rWrite(0x04,(mod.ar<<4)|(mod.dr));
rWrite(0x05,(car.ar<<4)|(car.dr));
rWrite(0x06,(mod.sl<<4)|(mod.rr));
rWrite(0x07,(car.sl<<4)|(car.rr));
}
if (chan[c.chan].state.opllPreset==16) { // compatible drums mode
if (c.chan>=6) {
drums=true;
immWrite(0x16,0x20);
immWrite(0x26,0x05);
immWrite(0x16,0x20);
immWrite(0x26,0x05);
immWrite(0x17,0x50);
immWrite(0x27,0x05);
immWrite(0x17,0x50);
immWrite(0x27,0x05);
immWrite(0x18,0xC0);
immWrite(0x28,0x01);
}
} else {
if (c.chan>=6) {
drums=false;
immWrite(0x0e,0);
}
rWrite(0x30+c.chan,(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)|(chan[c.chan].state.opllPreset<<4));
}
}
chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
if (c.chan>=6 && drums) {
switch (chan[c.chan].note%12) {
case 0: // kick
drumVol[0]=(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15);
break;
case 1: // snare
drumVol[1]=(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15);
break;
case 2: // tom
drumVol[2]=(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15);
break;
case 3: // top
drumVol[3]=(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15);
break;
default: // hi-hat
drumVol[4]=(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15);
break;
}
rWrite(0x36,drumVol[0]);
rWrite(0x37,drumVol[1]|(drumVol[4]<<4));
rWrite(0x38,drumVol[3]|(drumVol[2]<<4));
}
chan[c.chan].freqChanged=true;
}
chan[c.chan].keyOn=true;
chan[c.chan].active=true;
break;
}
case DIV_CMD_NOTE_OFF:
chan[c.chan].keyOff=true;
chan[c.chan].keyOn=false;
chan[c.chan].active=false;
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.hasVol) {
chan[c.chan].outVol=c.value;
}
if (c.chan<6 || !drums) {
rWrite(0x30+c.chan,(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)|(chan[c.chan].state.opllPreset<<4));
}
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: {
chan[c.chan].pitch=c.value;
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_NOTE_PORTA: {
int destFreq=NOTE_FREQUENCY(c.value2);
int newFreq;
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
newFreq=chan[c.chan].baseFreq+c.value*octave(chan[c.chan].baseFreq);
if (newFreq>=destFreq) {
newFreq=destFreq;
return2=true;
}
} else {
newFreq=chan[c.chan].baseFreq-c.value*octave(chan[c.chan].baseFreq);
if (newFreq<=destFreq) {
newFreq=destFreq;
return2=true;
}
}
/*if (!chan[c.chan].portaPause) {
if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
chan[c.chan].portaPause=true;
break;
}
}*/
chan[c.chan].baseFreq=newFreq;
chan[c.chan].portaPause=false;
chan[c.chan].freqChanged=true;
if (return2) {
chan[c.chan].inPorta=false;
return 2;
}
break;
}
case DIV_CMD_LEGATO: {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_FM_FB: {
DivInstrumentFM::Operator& mod=chan[c.chan].state.op[0];
//DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
chan[c.chan].state.fb=c.value&7;
rWrite(0x03,(mod.ksl<<6)|((chan[c.chan].state.fms&1)<<4)|((chan[c.chan].state.ams&1)<<3)|chan[c.chan].state.fb);
break;
}
case DIV_CMD_FM_MULT: {
if (c.value==0) {
DivInstrumentFM::Operator& mod=chan[c.chan].state.op[0];
mod.mult=c.value2&15;
rWrite(0x00,(mod.am<<7)|(mod.vib<<6)|((mod.ssgEnv&8)<<2)|(mod.ksr<<4)|(mod.mult));
} else {
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
car.mult=c.value2&15;
rWrite(0x30+c.chan,(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)|(chan[c.chan].state.opllPreset<<4));
}
break;
}
case DIV_CMD_FM_TL: {
if (c.value==0) {
DivInstrumentFM::Operator& mod=chan[c.chan].state.op[0];
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
mod.tl=c.value2&63;
rWrite(0x02,(car.ksl<<6)|(mod.tl&63));
} else {
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
car.tl=c.value2&15;
rWrite(0x01,(car.am<<7)|(car.vib<<6)|((car.ssgEnv&8)<<2)|(car.ksr<<4)|(car.mult));
}
break;
}
case DIV_CMD_FM_AR: {
DivInstrumentFM::Operator& mod=chan[c.chan].state.op[0];
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
if (c.value<0) {
mod.ar=c.value2&15;
car.ar=c.value2&15;
} else {
if (c.value==0) {
mod.ar=c.value2&15;
} else {
car.ar=c.value2&15;
}
}
rWrite(0x04,(mod.ar<<4)|(mod.dr));
rWrite(0x05,(car.ar<<4)|(car.dr));
break;
}
case DIV_ALWAYS_SET_VOLUME:
return 0;
break;
case DIV_CMD_GET_VOLMAX:
return 15;
break;
case DIV_CMD_PRE_PORTA:
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_PRE_NOTE:
break;
default:
//printf("WARNING: unimplemented command %d\n",c.cmd);
break;
}
return 1;
}
void DivPlatformOPLL::forceIns() {
for (int i=0; i<9; i++) {
// update custom preset
if (chan[i].state.opllPreset==0) {
DivInstrumentFM::Operator& mod=chan[i].state.op[0];
DivInstrumentFM::Operator& car=chan[i].state.op[1];
rWrite(0x00,(mod.am<<7)|(mod.vib<<6)|((mod.ssgEnv&8)<<2)|(mod.ksr<<4)|(mod.mult));
rWrite(0x01,(car.am<<7)|(car.vib<<6)|((car.ssgEnv&8)<<2)|(car.ksr<<4)|(car.mult));
rWrite(0x02,(car.ksl<<6)|(mod.tl&63));
rWrite(0x03,(mod.ksl<<6)|((chan[i].state.fms&1)<<4)|((chan[i].state.ams&1)<<3)|chan[i].state.fb);
rWrite(0x04,(mod.ar<<4)|(mod.dr));
rWrite(0x05,(car.ar<<4)|(car.dr));
rWrite(0x06,(mod.sl<<4)|(mod.rr));
rWrite(0x07,(car.sl<<4)|(car.rr));
}
rWrite(0x30+i,(15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)|(chan[i].state.opllPreset<<4));
if (chan[i].active) {
chan[i].keyOn=true;
chan[i].freqChanged=true;
}
}
if (drums) {
immWrite(0x16,0x20);
immWrite(0x26,0x05);
immWrite(0x16,0x20);
immWrite(0x26,0x05);
immWrite(0x17,0x50);
immWrite(0x27,0x05);
immWrite(0x17,0x50);
immWrite(0x27,0x05);
immWrite(0x18,0xC0);
immWrite(0x28,0x01);
}
}
void DivPlatformOPLL::toggleRegisterDump(bool enable) {
DivDispatch::toggleRegisterDump(enable);
}
void DivPlatformOPLL::setVRC7(bool vrc) {
vrc7=vrc;
}
void DivPlatformOPLL::setProperDrums(bool pd) {
properDrums=pd;
}
void* DivPlatformOPLL::getChanState(int ch) {
return &chan[ch];
}
unsigned char* DivPlatformOPLL::getRegisterPool() {
return regPool;
}
int DivPlatformOPLL::getRegisterPoolSize() {
return 64;
}
void DivPlatformOPLL::reset() {
while (!writes.empty()) writes.pop();
memset(regPool,0,256);
if (vrc7) {
OPLL_Reset(&fm,opll_type_ds1001);
} else {
OPLL_Reset(&fm,opll_type_ym2413);
}
if (dumpWrites) {
addWrite(0xffffffff,0);
}
for (int i=0; i<9; i++) {
chan[i]=DivPlatformOPLL::Channel();
chan[i].vol=15;
chan[i].outVol=15;
}
for (int i=0; i<256; i++) {
oldWrites[i]=-1;
pendingWrites[i]=-1;
}
lastBusy=60;
drumState=0;
drumVol[0]=0;
drumVol[1]=0;
drumVol[2]=0;
drumVol[3]=0;
drumVol[4]=0;
delay=0;
}
bool DivPlatformOPLL::keyOffAffectsArp(int ch) {
return false;
}
bool DivPlatformOPLL::keyOffAffectsPorta(int ch) {
return false;
}
void DivPlatformOPLL::notifyInsChange(int ins) {
for (int i=0; i<9; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
}
}
void DivPlatformOPLL::notifyInsDeletion(void* ins) {
}
void DivPlatformOPLL::poke(unsigned int addr, unsigned short val) {
immWrite(addr,val);
}
void DivPlatformOPLL::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
}
int DivPlatformOPLL::getPortaFloor(int ch) {
return (ch>5)?12:0;
}
void DivPlatformOPLL::setYMFM(bool use) {
useYMFM=use;
}
void DivPlatformOPLL::setFlags(unsigned int flags) {
if (flags==3) {
chipClock=COLOR_NTSC;
} else if (flags==2) {
chipClock=8000000.0;
} else if (flags==1) {
chipClock=COLOR_PAL*1.0/5.0;
} else {
chipClock=COLOR_NTSC/4.0;
}
rate=chipClock/9;
}
int DivPlatformOPLL::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<9; i++) {
isMuted[i]=false;
}
setFlags(flags);
reset();
return 10;
}
void DivPlatformOPLL::quit() {
}
DivPlatformOPLL::~DivPlatformOPLL() {
}

120
src/engine/platform/opll.h Normal file
View file

@ -0,0 +1,120 @@
/**
* 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 _OPLL_H
#define _OPLL_H
#include "../dispatch.h"
#include "../macroInt.h"
#include <queue>
extern "C" {
#include "../../../extern/Nuked-OPLL/opll.h"
}
class DivPlatformOPLL: public DivDispatch {
protected:
struct Channel {
DivInstrumentFM state;
DivMacroInt std;
unsigned char freqH, freqL;
int freq, baseFreq, pitch, note;
unsigned char ins;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta;
int vol, outVol;
unsigned char pan;
Channel():
freqH(0),
freqL(0),
freq(0),
baseFreq(0),
pitch(0),
note(0),
ins(-1),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
portaPause(false),
furnaceDac(false),
inPorta(false),
vol(0),
pan(3) {}
};
Channel chan[11];
bool isMuted[11];
struct QueuedWrite {
unsigned short addr;
unsigned char val;
bool addrOrVal;
QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
};
std::queue<QueuedWrite> writes;
opll_t fm;
int delay;
unsigned char lastBusy;
unsigned char drumState;
unsigned char drumVol[5];
unsigned char regPool[256];
bool useYMFM;
bool drums;
bool properDrums;
bool vrc7;
short oldWrites[256];
short pendingWrites[256];
int octave(int freq);
int toFreq(int freq);
friend void putDispatchChan(void*,int,int);
void acquire_nuked(short* bufL, short* bufR, size_t start, size_t len);
void acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick();
void muteChannel(int ch, bool mute);
void setYMFM(bool use);
bool keyOffAffectsArp(int ch);
bool keyOffAffectsPorta(int ch);
void toggleRegisterDump(bool enable);
void setVRC7(bool vrc);
void setProperDrums(bool pd);
void setFlags(unsigned int flags);
void notifyInsChange(int ins);
void notifyInsDeletion(void* ins);
int getPortaFloor(int ch);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char* getEffectName(unsigned char effect);
int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
void quit();
~DivPlatformOPLL();
};
#endif

7
src/engine/platform/pce.cpp
View file

@ -81,7 +81,7 @@ void DivPlatformPCE::acquire(short* bufL, short* bufR, size_t start, size_t len)
if (chan[i].pcm && chan[i].dacSample!=-1) {
chan[i].dacPeriod+=chan[i].dacRate;
if (chan[i].dacPeriod>rate) {
DivSample* s=parent->song.sample[chan[i].dacSample];
DivSample* s=parent->getSample(chan[i].dacSample);
if (s->samples<=0) {
chan[i].dacSample=-1;
continue;
@ -200,7 +200,7 @@ void DivPlatformPCE::tick() {
if (chan[i].furnaceDac) {
double off=1.0;
if (chan[i].dacSample>=0 && chan[i].dacSample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[i].dacSample];
DivSample* s=parent->getSample(chan[i].dacSample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -211,7 +211,6 @@ void DivPlatformPCE::tick() {
if (dumpWrites) addWrite(0xffff0001+(i<<8),chan[i].dacRate);
}
if (chan[i].freq>4095) chan[i].freq=4095;
if (chan[i].note>0x5d) chan[i].freq=0x01;
chWrite(i,0x02,chan[i].freq&0xff);
chWrite(i,0x03,chan[i].freq>>8);
if (chan[i].keyOn) {
@ -280,7 +279,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
}
chan[c.chan].dacPos=0;
chan[c.chan].dacPeriod=0;
chan[c.chan].dacRate=parent->song.sample[chan[c.chan].dacSample]->rate;
chan[c.chan].dacRate=parent->getSample(chan[c.chan].dacSample)->rate;
if (dumpWrites) {
chWrite(c.chan,0x04,0xdf);
addWrite(0xffff0001+(c.chan<<8),chan[c.chan].dacRate);

8
src/engine/platform/qsound.cpp
View file

@ -290,7 +290,7 @@ void DivPlatformQSound::tick() {
uint16_t qsound_end = 0;
double off=1.0;
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[i].sample];
DivSample* s=parent->getSample(chan[i].sample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -364,7 +364,7 @@ int DivPlatformQSound::dispatch(DivCommand c) {
chan[c.chan].sample=ins->amiga.initSample;
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[c.chan].sample];
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -438,7 +438,7 @@ int DivPlatformQSound::dispatch(DivCommand c) {
case DIV_CMD_NOTE_PORTA: {
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[c.chan].sample];
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
@ -470,7 +470,7 @@ int DivPlatformQSound::dispatch(DivCommand c) {
case DIV_CMD_LEGATO: {
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[c.chan].sample];
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {

10
src/engine/platform/segapcm.cpp
View file

@ -43,7 +43,7 @@ void DivPlatformSegaPCM::acquire(short* bufL, short* bufR, size_t start, size_t
pcmL=0; pcmR=0;
for (int i=0; i<16; i++) {
if (chan[i].pcm.sample>=0 && chan[i].pcm.sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[i].pcm.sample];
DivSample* s=parent->getSample(chan[i].pcm.sample);
if (s->samples<=0) {
chan[i].pcm.sample=-1;
continue;
@ -110,7 +110,7 @@ void DivPlatformSegaPCM::tick() {
if (chan[i].furnacePCM) {
double off=1.0;
if (chan[i].pcm.sample>=0 && chan[i].pcm.sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[i].pcm.sample];
DivSample* s=parent->getSample(chan[i].pcm.sample);
off=(double)s->centerRate/8363.0;
}
chan[i].pcm.freq=MIN(255,((off*parent->song.tuning*pow(2.0,double(chan[i].freq+256)/(64.0*12.0)))*255)/31250);
@ -146,7 +146,7 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
chan[c.chan].freqChanged=true;
chan[c.chan].furnacePCM=true;
if (dumpWrites) { // Sega PCM writes
DivSample* s=parent->song.sample[chan[c.chan].pcm.sample];
DivSample* s=parent->getSample(chan[c.chan].pcm.sample);
addWrite(0x10086+(c.chan<<3),3+((s->offSegaPCM>>16)<<3));
addWrite(0x10084+(c.chan<<3),(s->offSegaPCM)&0xff);
addWrite(0x10085+(c.chan<<3),(s->offSegaPCM>>8)&0xff);
@ -173,10 +173,10 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
break;
}
chan[c.chan].pcm.pos=0;
chan[c.chan].pcm.freq=MIN(255,(parent->song.sample[chan[c.chan].pcm.sample]->rate*255)/31250);
chan[c.chan].pcm.freq=MIN(255,(parent->getSample(chan[c.chan].pcm.sample)->rate*255)/31250);
chan[c.chan].furnacePCM=false;
if (dumpWrites) { // Sega PCM writes
DivSample* s=parent->song.sample[chan[c.chan].pcm.sample];
DivSample* s=parent->getSample(chan[c.chan].pcm.sample);
addWrite(0x10086+(c.chan<<3),3+((s->offSegaPCM>>16)<<3));
addWrite(0x10084+(c.chan<<3),(s->offSegaPCM)&0xff);
addWrite(0x10085+(c.chan<<3),(s->offSegaPCM>>8)&0xff);

4
src/engine/platform/sound/qsound.c
View file

@ -601,8 +601,8 @@ static void state_normal_update(struct qsound_chip *chip)
{
// Echo is output on the unfiltered component of the left channel and
// the filtered component of the right channel.
int32_t wet = (ch == 1) ? echo_output<<16 : 0;
int32_t dry = (ch == 0) ? echo_output<<16 : 0;
int32_t wet = (ch == 1) ? echo_output<<14 : 0;
int32_t dry = (ch == 0) ? echo_output<<14 : 0;
int32_t output = 0;
for(int v=0; v<19; v++)

126
src/engine/platform/ym2610.cpp
View file

@ -101,6 +101,13 @@ const char* DivPlatformYM2610::getEffectName(unsigned char effect) {
return NULL;
}
double DivPlatformYM2610::NOTE_ADPCMB(int note) {
DivInstrument* ins=parent->getIns(chan[13].ins);
if (ins->type!=DIV_INS_AMIGA) return 0;
double off=(double)(parent->getSample(ins->amiga.initSample)->centerRate)/8363.0;
return off*parent->calcBaseFreq((double)chipClock/144,65535,note,false);
}
void DivPlatformYM2610::acquire(short* bufL, short* bufR, size_t start, size_t len) {
static int os[2];
@ -358,6 +365,38 @@ void DivPlatformYM2610::tick() {
}
}
// ADPCM-B
if (chan[13].furnacePCM) {
chan[13].std.next();
if (chan[13].std.hadVol) {
chan[13].outVol=(chan[13].vol*MIN(64,chan[13].std.vol))/64;
immWrite(0x1b,chan[13].outVol);
}
if (chan[13].std.hadArp) {
if (!chan[13].inPorta) {
if (chan[13].std.arpMode) {
chan[13].baseFreq=NOTE_ADPCMB(chan[13].std.arp);
} else {
chan[13].baseFreq=NOTE_ADPCMB(chan[13].note+(signed char)chan[13].std.arp);
}
}
chan[13].freqChanged=true;
} else {
if (chan[13].std.arpMode && chan[13].std.finishedArp) {
chan[13].baseFreq=NOTE_ADPCMB(chan[13].note);
chan[13].freqChanged=true;
}
}
}
if (chan[13].freqChanged) {
chan[13].freq=parent->calcFreq(chan[13].baseFreq,chan[13].pitch,false,4);
immWrite(0x19,chan[13].freq&0xff);
immWrite(0x1a,(chan[13].freq>>8)&0xff);
chan[13].freqChanged=false;
}
for (int i=0; i<512; i++) {
if (pendingWrites[i]!=oldWrites[i]) {
immWrite(i,pendingWrites[i]&0xff);
@ -426,7 +465,60 @@ int DivPlatformYM2610::toFreq(int freq) {
int DivPlatformYM2610::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
if (c.chan>6) { // ADPCM
if (c.chan>12) { // ADPCM-B
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
if (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].std.init(ins);
if (!chan[c.chan].std.willVol) {
chan[c.chan].outVol=chan[c.chan].vol;
immWrite(0x1b,chan[c.chan].outVol);
}
DivSample* s=parent->getSample(ins->amiga.initSample);
immWrite(0x12,(s->offB>>8)&0xff);
immWrite(0x13,s->offB>>16);
int end=s->offB+s->lengthB-1;
immWrite(0x14,(end>>8)&0xff);
immWrite(0x15,end>>16);
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
immWrite(0x10,0x80); // start
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].note=c.value;
chan[c.chan].baseFreq=NOTE_ADPCMB(chan[c.chan].note);
chan[c.chan].freqChanged=true;
}
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
} else {
chan[c.chan].std.init(NULL);
chan[c.chan].outVol=chan[c.chan].vol;
if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) {
immWrite(0x10,0x01); // reset
immWrite(0x12,0);
immWrite(0x13,0);
immWrite(0x14,0);
immWrite(0x15,0);
break;
}
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
immWrite(0x12,(s->offB>>8)&0xff);
immWrite(0x13,s->offB>>16);
int end=s->offB+s->lengthB-1;
immWrite(0x14,(end>>8)&0xff);
immWrite(0x15,end>>16);
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
immWrite(0x10,0x80); // start
chan[c.chan].baseFreq=(((unsigned int)s->rate)<<16)/(chipClock/144);
chan[c.chan].freqChanged=true;
}
break;
}
if (c.chan>6) { // ADPCM-A
if (skipRegisterWrites) break;
if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) {
immWrite(0x100,0x80|(1<<(c.chan-7)));
@ -436,7 +528,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
immWrite(0x128+c.chan-7,0);
break;
}
DivSample* s=parent->song.sample[12*sampleBank+c.value%12];
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
immWrite(0x110+c.chan-7,(s->offA>>8)&0xff);
immWrite(0x118+c.chan-7,s->offA>>16);
int end=s->offA+s->lengthA-1;
@ -511,6 +603,10 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
break;
}
case DIV_CMD_NOTE_OFF:
if (c.chan>12) {
immWrite(0x10,0x01); // reset
break;
}
if (c.chan>6) {
immWrite(0x100,0x80|(1<<(c.chan-7)));
break;
@ -521,6 +617,10 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
chan[c.chan].std.init(NULL);
break;
case DIV_CMD_NOTE_OFF_ENV:
if (c.chan>12) {
immWrite(0x10,0x01); // reset
break;
}
if (c.chan>6) {
immWrite(0x100,0x80|(1<<(c.chan-7)));
break;
@ -542,7 +642,11 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
if (!chan[c.chan].std.hasVol) {
chan[c.chan].outVol=c.value;
}
if (c.chan>6) { // ADPCM
if (c.chan>12) { // ADPCM-B
immWrite(0x1b,chan[c.chan].outVol);
break;
}
if (c.chan>6) { // ADPCM-A
immWrite(0x108+(c.chan-7),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].vol));
break;
}
@ -587,6 +691,10 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
chan[c.chan].pan=3;
break;
}
if (c.chan>12) {
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
break;
}
if (c.chan>6) {
immWrite(0x108+(c.chan-7),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].vol));
break;
@ -773,7 +881,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
return 0;
break;
case DIV_CMD_GET_VOLMAX:
if (c.chan>12) return 127;
if (c.chan>12) return 255;
if (c.chan>6) return 31;
if (c.chan>3) return 15;
return 127;
@ -797,7 +905,10 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
void DivPlatformYM2610::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
if (ch>6) { // ADPCM
if (ch>12) { // ADPCM-B
immWrite(0x11,isMuted[ch]?0:(chan[ch].pan<<6));
}
if (ch>6) { // ADPCM-A
immWrite(0x108+(ch-7),isMuted[ch]?0:((chan[ch].pan<<6)|chan[ch].vol));
return;
}
@ -885,7 +996,7 @@ void DivPlatformYM2610::reset() {
for (int i=7; i<13; i++) {
chan[i].vol=0x1f;
}
chan[13].vol=0x7f;
chan[13].vol=0xff;
for (int i=0; i<512; i++) {
oldWrites[i]=-1;
@ -916,7 +1027,8 @@ void DivPlatformYM2610::reset() {
immWrite(0x22,0x08);
// PCM volume
immWrite(0x101,0x3f);
immWrite(0x101,0x3f); // A
immWrite(0x1b,0xff); // B
}
bool DivPlatformYM2610::isStereo() {

26
src/engine/platform/ym2610.h
View file

@ -41,11 +41,32 @@ class DivPlatformYM2610: public DivDispatch {
int freq, baseFreq, pitch, note;
unsigned char ins, psgMode, autoEnvNum, autoEnvDen;
signed char konCycles;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM;
int vol, outVol;
unsigned char pan;
DivMacroInt std;
Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), note(0), ins(-1), psgMode(1), autoEnvNum(0), autoEnvDen(0), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(3) {}
Channel():
freqH(0),
freqL(0),
freq(0),
baseFreq(0),
pitch(0),
note(0),
ins(-1),
psgMode(1),
autoEnvNum(0),
autoEnvDen(0),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
portaPause(false),
inPorta(false),
furnacePCM(false),
vol(0),
outVol(15),
pan(3) {}
};
Channel chan[14];
bool isMuted[14];
@ -83,6 +104,7 @@ class DivPlatformYM2610: public DivDispatch {
int octave(int freq);
int toFreq(int freq);
double NOTE_ADPCMB(int note);
friend void putDispatchChan(void*,int,int);
public:

54
src/engine/playback.cpp
View file

@ -255,6 +255,8 @@ bool DivEngine::perSystemEffect(int ch, unsigned char effect, unsigned char effe
return true;
}
#define IS_YM2610 (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT || sysOfChan[ch]==DIV_SYSTEM_YM2610_FULL || sysOfChan[ch]==DIV_SYSTEM_YM2610_FULL_EXT)
bool DivEngine::perSystemPostEffect(int ch, unsigned char effect, unsigned char effectVal) {
switch (sysOfChan[ch]) {
case DIV_SYSTEM_YM2612:
@ -262,6 +264,8 @@ bool DivEngine::perSystemPostEffect(int ch, unsigned char effect, unsigned char
case DIV_SYSTEM_YM2151:
case DIV_SYSTEM_YM2610:
case DIV_SYSTEM_YM2610_EXT:
case DIV_SYSTEM_YM2610_FULL:
case DIV_SYSTEM_YM2610_FULL_EXT:
switch (effect) {
case 0x10: // LFO or noise mode
if (sysOfChan[ch]==DIV_SYSTEM_YM2151) {
@ -324,42 +328,42 @@ bool DivEngine::perSystemPostEffect(int ch, unsigned char effect, unsigned char
dispatchCmd(DivCommand(DIV_CMD_FM_PM_DEPTH,ch,effectVal&127));
break;
case 0x20: // Neo Geo PSG mode
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_STD_NOISE_MODE,ch,effectVal));
}
break;
case 0x21: // Neo Geo PSG noise freq
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_STD_NOISE_FREQ,ch,effectVal));
}
break;
case 0x22: // UNOFFICIAL: Neo Geo PSG envelope enable
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_SET,ch,effectVal));
}
break;
case 0x23: // UNOFFICIAL: Neo Geo PSG envelope period low
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_LOW,ch,effectVal));
}
break;
case 0x24: // UNOFFICIAL: Neo Geo PSG envelope period high
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_HIGH,ch,effectVal));
}
break;
case 0x25: // UNOFFICIAL: Neo Geo PSG envelope slide up
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_SLIDE,ch,-effectVal));
}
break;
case 0x26: // UNOFFICIAL: Neo Geo PSG envelope slide down
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_SLIDE,ch,effectVal));
}
break;
case 0x29: // auto-envelope
if (sysOfChan[ch]==DIV_SYSTEM_YM2610 || sysOfChan[ch]==DIV_SYSTEM_YM2610_EXT) {
if (IS_YM2610) {
dispatchCmd(DivCommand(DIV_CMD_AY_AUTO_ENVELOPE,ch,effectVal));
}
break;
@ -367,6 +371,39 @@ bool DivEngine::perSystemPostEffect(int ch, unsigned char effect, unsigned char
return false;
}
break;
case DIV_SYSTEM_OPLL:
case DIV_SYSTEM_OPLL_DRUMS:
case DIV_SYSTEM_VRC7:
switch (effect) {
case 0x11: // FB
dispatchCmd(DivCommand(DIV_CMD_FM_FB,ch,effectVal&7));
break;
case 0x12: // TL op1
dispatchCmd(DivCommand(DIV_CMD_FM_TL,ch,0,effectVal&0x3f));
break;
case 0x13: // TL op2
dispatchCmd(DivCommand(DIV_CMD_FM_TL,ch,1,effectVal&0x0f));
break;
case 0x16: // MULT
if ((effectVal>>4)>0 && (effectVal>>4)<3) {
dispatchCmd(DivCommand(DIV_CMD_FM_MULT,ch,(effectVal>>4)-1,effectVal&15));
}
break;
case 0x18: // drum mode toggle
break;
case 0x19: // AR global
dispatchCmd(DivCommand(DIV_CMD_FM_AR,ch,-1,effectVal&31));
break;
case 0x1a: // AR op1
dispatchCmd(DivCommand(DIV_CMD_FM_AR,ch,0,effectVal&31));
break;
case 0x1b: // AR op2
dispatchCmd(DivCommand(DIV_CMD_FM_AR,ch,1,effectVal&31));
break;
default:
return false;
}
break;
case DIV_SYSTEM_C64_6581: case DIV_SYSTEM_C64_8580:
switch (effect) {
case 0x10: // select waveform
@ -1137,7 +1174,6 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
} else {
samp_temp=s->data16[sPreview.pos++];
}
if (s->depth==8) samp_temp<<=8;
blip_add_delta(samp_bb,i,samp_temp-samp_prevSample);
samp_prevSample=samp_temp;

1
src/engine/song.h
View file

@ -275,6 +275,7 @@ struct DivSong {
DivInstrument nullIns;
DivWavetable nullWave;
DivSample nullSample;
void unload();

93
src/engine/vgmOps.cpp
View file

@ -20,15 +20,15 @@
#include "engine.h"
#include "../ta-log.h"
#include "../utfutils.h"
#include "song.h"
constexpr int MASTER_CLOCK_PREC=(sizeof(void*)==8)?8:0;
void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample, bool isSecond) {
if (write.addr==0xffffffff) { // Furnace fake reset
switch (sys) {
case DIV_SYSTEM_GENESIS:
case DIV_SYSTEM_GENESIS_EXT:
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
for (int i=0; i<3; i++) { // set SL and RR to highest
w->writeC(isSecond?0xa2:0x52);
w->writeC(0x80+i);
@ -67,12 +67,6 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(isSecond?0xa2:0x52); // disable DAC
w->writeC(0x2b);
w->writeC(0);
if (sys!=DIV_SYSTEM_YM2612) {
for (int i=0; i<4; i++) {
w->writeC(isSecond?0x30:0x50);
w->writeC(0x90|(i<<5)|15);
}
}
break;
case DIV_SYSTEM_SMS:
for (int i=0; i<4; i++) {
@ -128,7 +122,6 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(isSecond?0x95:0x15);
w->writeC(0);
break;
case DIV_SYSTEM_ARCADE:
case DIV_SYSTEM_YM2151:
for (int i=0; i<8; i++) {
w->writeC(isSecond?0xa4:0x54);
@ -148,12 +141,13 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(0x08);
w->writeC(i);
}
if (sys==DIV_SYSTEM_ARCADE) {
for (int i=0; i<5; i++) {
w->writeC(0xc0);
w->writeS((isSecond?0x8086:0x86)+(i<<3));
w->writeC(3);
}
break;
case DIV_SYSTEM_SEGAPCM:
case DIV_SYSTEM_SEGAPCM_COMPAT:
for (int i=0; i<16; i++) {
w->writeC(0xc0);
w->writeS((isSecond?0x8086:0x86)+(i<<3));
w->writeC(3);
}
break;
case DIV_SYSTEM_YM2610:
@ -301,6 +295,7 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
}
if (write.addr>=0xffff0000) { // Furnace special command
unsigned char streamID=streamOff+((write.addr&0xff00)>>8);
logD("writing stream command %x:%x with stream ID %d\n",write.addr,write.val,streamID);
switch (write.addr&0xff) {
case 0: // play sample
if (write.val<song.sampleLen) {
@ -330,9 +325,8 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
return;
}
switch (sys) {
case DIV_SYSTEM_GENESIS:
case DIV_SYSTEM_GENESIS_EXT:
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
switch (write.addr>>8) {
case 0: // port 0
w->writeC(isSecond?0xa2:0x52);
@ -369,20 +363,16 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC((isSecond?0x80:0)|(write.addr&0xff));
w->writeC(write.val);
break;
case DIV_SYSTEM_ARCADE:
case DIV_SYSTEM_YM2151:
switch (write.addr>>16) {
case 0: // YM2151
w->writeC(isSecond?0xa4:0x54);
w->writeC(write.addr&0xff);
w->writeC(write.val);
break;
case 1: // SegaPCM
w->writeC(0xc0);
w->writeS((isSecond?0x8000:0)|(write.addr&0xffff));
w->writeC(write.val);
break;
}
w->writeC(isSecond?0xa4:0x54);
w->writeC(write.addr&0xff);
w->writeC(write.val);
break;
case DIV_SYSTEM_SEGAPCM:
case DIV_SYSTEM_SEGAPCM_COMPAT:
w->writeC(0xc0);
w->writeS((isSecond?0x8000:0)|(write.addr&0xffff));
w->writeC(write.val);
break;
case DIV_SYSTEM_YM2610:
case DIV_SYSTEM_YM2610_FULL:
@ -546,30 +536,6 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
if (!sysToExport[i]) continue;
}
switch (song.system[i]) {
case DIV_SYSTEM_GENESIS:
case DIV_SYSTEM_GENESIS_EXT:
writeDACSamples=true;
if (!hasOPN2) {
hasOPN2=disCont[i].dispatch->chipClock;
willExport[i]=true;
} else if (!(hasOPN2&0x40000000)) {
isSecond[i]=true;
willExport[i]=true;
hasOPN2|=0x40000000;
howManyChips++;
addWarning("adding a compound system two times is experimental!");
}
if (!hasSN) {
hasSN=3579545;
willExport[i]=true;
} else if (!(hasSN&0x40000000)) {
isSecond[i]=true;
willExport[i]=true;
hasSN|=0x40000000;
howManyChips++;
addWarning("adding a compound system two times is experimental!");
}
break;
case DIV_SYSTEM_SMS:
if (!hasSN) {
hasSN=disCont[i].dispatch->chipClock;
@ -630,17 +596,8 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
howManyChips++;
}
break;
case DIV_SYSTEM_ARCADE:
if (!hasOPM) {
hasOPM=disCont[i].dispatch->chipClock;
willExport[i]=true;
} else if (!(hasOPM&0x40000000)) {
isSecond[i]=true;
willExport[i]=true;
hasOPM|=0x40000000;
howManyChips++;
addWarning("adding a compound system two times is experimental!");
}
case DIV_SYSTEM_SEGAPCM:
case DIV_SYSTEM_SEGAPCM_COMPAT:
if (!hasSegaPCM) {
hasSegaPCM=4000000;
willExport[i]=true;
@ -650,7 +607,6 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
willExport[i]=true;
hasSegaPCM|=0x40000000;
howManyChips++;
addWarning("adding a compound system two times is experimental!");
}
break;
case DIV_SYSTEM_YM2610:
@ -694,6 +650,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
}
break;
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
if (!hasOPN2) {
hasOPN2=disCont[i].dispatch->chipClock;
willExport[i]=true;
@ -959,8 +916,8 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
if (!willExport[i]) continue;
streamIDs[i]=streamID;
switch (song.system[i]) {
case DIV_SYSTEM_GENESIS:
case DIV_SYSTEM_GENESIS_EXT:
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
w->writeC(0x90);
w->writeC(streamID);
w->writeC(0x02);

23
src/gui/gui.cpp
View file

@ -1355,13 +1355,17 @@ void FurnaceGUI::drawMixer() {
signed char vol=e->song.systemVol[i]&127;
ImGui::PushID(id);
ImGui::Text("%d. %s",i+1,getSystemName(e->song.system[i]));
if (ImGui::SliderScalar("Volume",ImGuiDataType_S8,&vol,&_ZERO,&_ONE_HUNDRED_TWENTY_SEVEN)) {
e->song.systemVol[i]=(e->song.systemVol[i]&128)|vol;
}
ImGui::SliderScalar("Panning",ImGuiDataType_S8,&e->song.systemPan[i],&_MINUS_ONE_HUNDRED_TWENTY_SEVEN,&_ONE_HUNDRED_TWENTY_SEVEN);
ImGui::SameLine(ImGui::GetWindowWidth()-(82.0f*dpiScale));
if (ImGui::Checkbox("Invert",&doInvert)) {
e->song.systemVol[i]^=128;
}
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x-(50.0f*dpiScale));
if (ImGui::SliderScalar("Volume",ImGuiDataType_S8,&vol,&_ZERO,&_ONE_HUNDRED_TWENTY_SEVEN)) {
e->song.systemVol[i]=(e->song.systemVol[i]&128)|vol;
}
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x-(50.0f*dpiScale));
ImGui::SliderScalar("Panning",ImGuiDataType_S8,&e->song.systemPan[i],&_MINUS_ONE_HUNDRED_TWENTY_SEVEN,&_ONE_HUNDRED_TWENTY_SEVEN);
ImGui::PopID();
}
}
@ -4491,6 +4495,8 @@ bool FurnaceGUI::loop() {
sysAddOption(DIV_SYSTEM_YM2610_FULL_EXT);
sysAddOption(DIV_SYSTEM_AY8910);
sysAddOption(DIV_SYSTEM_AMIGA);
sysAddOption(DIV_SYSTEM_OPLL);
sysAddOption(DIV_SYSTEM_VRC7);
sysAddOption(DIV_SYSTEM_TIA);
sysAddOption(DIV_SYSTEM_SAA1099);
sysAddOption(DIV_SYSTEM_AY8930);
@ -4603,11 +4609,11 @@ bool FurnaceGUI::loop() {
case DIV_SYSTEM_AY8910:
case DIV_SYSTEM_AY8930: {
ImGui::Text("Clock rate:");
if (ImGui::RadioButton("1.79MHz (ZX Spectrum/MSX NTSC)",(flags&15)==0)) {
if (ImGui::RadioButton("1.79MHz (ZX Spectrum NTSC/MSX)",(flags&15)==0)) {
e->setSysFlags(i,(flags&(~15))|0,restart);
updateWindowTitle();
}
if (ImGui::RadioButton("1.77MHz (ZX Spectrum/MSX PAL)",(flags&15)==1)) {
if (ImGui::RadioButton("1.77MHz (ZX Spectrum)",(flags&15)==1)) {
e->setSysFlags(i,(flags&(~15))|1,restart);
updateWindowTitle();
}
@ -4759,6 +4765,8 @@ bool FurnaceGUI::loop() {
sysChangeOption(i,DIV_SYSTEM_YM2610_FULL_EXT);
sysChangeOption(i,DIV_SYSTEM_AY8910);
sysChangeOption(i,DIV_SYSTEM_AMIGA);
sysChangeOption(i,DIV_SYSTEM_OPLL);
sysChangeOption(i,DIV_SYSTEM_VRC7);
sysChangeOption(i,DIV_SYSTEM_TIA);
sysChangeOption(i,DIV_SYSTEM_SAA1099);
sysChangeOption(i,DIV_SYSTEM_AY8930);
@ -4956,6 +4964,9 @@ bool FurnaceGUI::loop() {
checkExtension(".dmf");
}
}
if (curFileDialog==GUI_FILE_SAVE_DMF_LEGACY) {
checkExtension(".dmf");
}
if (curFileDialog==GUI_FILE_SAMPLE_SAVE ||
curFileDialog==GUI_FILE_EXPORT_AUDIO_ONE ||
curFileDialog==GUI_FILE_EXPORT_AUDIO_PER_SYS ||

285
src/gui/insEdit.cpp
View file

@ -58,13 +58,13 @@ const char* ssgEnvTypes[8]={
"Down Down Down", "Down.", "Down Up Down Up", "Down UP", "Up Up Up", "Up.", "Up Down Up Down", "Up DOWN"
};
const char* fmParamNames[3][16]={
{"Algorithm", "Feedback", "LFO > Freq", "LFO > Amp", "Attack", "Decay", "Decay 2", "Release", "Sustain", "Level", "EnvScale", "Multiplier", "Detune", "Detune 2", "SSG-EG", "AM"},
{"ALG", "FB", "FMS/PMS", "AMS", "AR", "DR", "SR", "RR", "SL", "TL", "KS", "MULT", "DT", "DT2", "SSG-EG", "AM"},
{"ALG", "FB", "FMS/PMS", "AMS", "AR", "DR", "D2R", "RR", "SL", "TL", "RS", "MULT", "DT", "DT2", "SSG-EG", "AM"}
const char* fmParamNames[3][27]={
{"Algorithm", "Feedback", "LFO > Freq", "LFO > Amp", "Attack", "Decay", "Decay 2", "Release", "Sustain", "Level", "EnvScale", "Multiplier", "Detune", "Detune 2", "SSG-EG", "AM", "AM Depth", "Vibrato Depth", "EnvAlternate", "EnvAlternate", "LevelScale/key", "Sustain", "Vibrato", "Waveform", "EnvScale/key", "OP2 HalfSine", "OP1 HalfSine"},
{"ALG", "FB", "FMS/PMS", "AMS", "AR", "DR", "SR", "RR", "SL", "TL", "KS", "MULT", "DT", "DT2", "SSG-EG", "AM", "AMD", "FMD", "EGT", "EGT", "KSL", "SUS", "VIB", "WS", "KSR", "DC", "DM"},
{"ALG", "FB", "FMS/PMS", "AMS", "AR", "DR", "D2R", "RR", "SL", "TL", "RS", "MULT", "DT", "DT2", "SSG-EG", "AM", "DAM", "DVB", "EGT", "EGS", "KSL", "SUS", "VIB", "WS", "KSR", "DC", "DM"}
};
const char* opllInsNames[18]={
const char* opllInsNames[17]={
"User",
"Violin",
"Guitar",
@ -100,7 +100,18 @@ enum FMParams {
FM_DT=12,
FM_DT2=13,
FM_SSG=14,
FM_AM=15
FM_AM=15,
FM_DAM=16,
FM_DVB=17,
FM_EGT=18,
FM_EGS=19,
FM_KSL=20,
FM_SUS=21,
FM_VIB=22,
FM_WS=23,
FM_KSR=24,
FM_DC=25,
FM_DM=26
};
#define FM_NAME(x) fmParamNames[settings.fmNames][x]
@ -429,6 +440,41 @@ void FurnaceGUI::drawAlgorithm(unsigned char alg, FurnaceGUIFMAlgs algType, cons
}
}
break;
case FM_ALGS_2OP_OPL:
switch (alg) {
case 0: { // 1 > 2
ImVec2 pos1=ImLerp(rect.Min,rect.Max,ImVec2(0.33,0.5));
ImVec2 pos2=ImLerp(rect.Min,rect.Max,ImVec2(0.67,0.5));
dl->AddCircleFilled(pos1,4.0f*dpiScale+1.0f,color);
dl->AddCircle(pos1,6.0f*dpiScale+1.0f,color);
dl->AddLine(pos1,pos2,colorL);
dl->AddCircleFilled(pos2,4.0f*dpiScale+1.0f,color);
pos1.x-=ImGui::CalcTextSize("2").x+circleRadius+3.0*dpiScale;
pos2.x+=circleRadius+3.0*dpiScale;
pos1.y-=ImGui::CalcTextSize("1").y*0.5;
pos2.y-=ImGui::CalcTextSize("2").y*0.5;
dl->AddText(pos1,color,"1");
dl->AddText(pos2,color,"2");
break;
}
case 1: { // 1 + 2
ImVec2 pos1=ImLerp(rect.Min,rect.Max,ImVec2(0.33,0.5));
ImVec2 pos2=ImLerp(rect.Min,rect.Max,ImVec2(0.67,0.5));
dl->AddCircleFilled(pos1,4.0f*dpiScale+1.0f,color);
dl->AddCircle(pos1,6.0f*dpiScale+1.0f,color);
dl->AddCircleFilled(pos2,4.0f*dpiScale+1.0f,color);
pos1.x-=ImGui::CalcTextSize("2").x+circleRadius+3.0*dpiScale;
pos2.x+=circleRadius+3.0*dpiScale;
pos1.y-=ImGui::CalcTextSize("1").y*0.5;
pos2.y-=ImGui::CalcTextSize("2").y*0.5;
dl->AddText(pos1,color,"1");
dl->AddText(pos2,color,"2");
break;
}
}
break;
default:
break;
}
@ -730,35 +776,89 @@ void FurnaceGUI::drawInsEdit() {
ImGui::InputText("Name",&ins->name);
if (ins->type<0 || ins->type>23) ins->type=DIV_INS_FM;
int insType=ins->type;
if (ImGui::Combo("Type",&insType,insTypes,24)) {
if (ImGui::Combo("Type",&insType,insTypes,24,24)) {
ins->type=(DivInstrumentType)insType;
}
if (ImGui::BeginTabBar("insEditTab")) {
if (ins->type==DIV_INS_FM) {
if (ins->type==DIV_INS_FM || ins->type==DIV_INS_OPL || ins->type==DIV_INS_OPLL || ins->type==DIV_INS_OPZ) {
char label[32];
float asFloat[256];
int asInt[256];
float loopIndicator[256];
int opCount=4;
if (ins->type==DIV_INS_OPL || ins->type==DIV_INS_OPLL) opCount=2;
if (ImGui::BeginTabItem("FM")) {
if (ImGui::BeginTable("fmDetails",3,ImGuiTableFlags_SizingStretchSame)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch,0.0);
ImGui::TableSetupColumn("c1",ImGuiTableColumnFlags_WidthStretch,0.0);
ImGui::TableSetupColumn("c2",ImGuiTableColumnFlags_WidthStretch,0.0);
ImGui::TableNextRow();
ImGui::TableNextColumn();
P(ImGui::SliderScalar(FM_NAME(FM_FB),ImGuiDataType_U8,&ins->fm.fb,&_ZERO,&_SEVEN));
P(ImGui::SliderScalar(FM_NAME(FM_FMS),ImGuiDataType_U8,&ins->fm.fms,&_ZERO,&_SEVEN));
ImGui::TableNextColumn();
P(ImGui::SliderScalar(FM_NAME(FM_ALG),ImGuiDataType_U8,&ins->fm.alg,&_ZERO,&_SEVEN));
P(ImGui::SliderScalar(FM_NAME(FM_AMS),ImGuiDataType_U8,&ins->fm.ams,&_ZERO,&_THREE));
ImGui::TableNextColumn();
drawAlgorithm(ins->fm.alg,FM_ALGS_4OP,ImVec2(ImGui::GetContentRegionAvail().x,48.0*dpiScale));
switch (ins->type) {
case DIV_INS_FM:
case DIV_INS_OPZ:
ImGui::TableNextColumn();
P(ImGui::SliderScalar(FM_NAME(FM_FB),ImGuiDataType_U8,&ins->fm.fb,&_ZERO,&_SEVEN));
P(ImGui::SliderScalar(FM_NAME(FM_FMS),ImGuiDataType_U8,&ins->fm.fms,&_ZERO,&_SEVEN));
ImGui::TableNextColumn();
P(ImGui::SliderScalar(FM_NAME(FM_ALG),ImGuiDataType_U8,&ins->fm.alg,&_ZERO,&_SEVEN));
P(ImGui::SliderScalar(FM_NAME(FM_AMS),ImGuiDataType_U8,&ins->fm.ams,&_ZERO,&_THREE));
ImGui::TableNextColumn();
drawAlgorithm(ins->fm.alg,FM_ALGS_4OP,ImVec2(ImGui::GetContentRegionAvail().x,48.0*dpiScale));
break;
case DIV_INS_OPL:
case DIV_INS_OPLL: {
bool dc=ins->fm.fms;
bool dm=ins->fm.ams;
bool sus=ins->fm.alg;
ImGui::TableNextColumn();
ImGui::BeginDisabled(ins->fm.opllPreset!=0);
P(ImGui::SliderScalar(FM_NAME(FM_FB),ImGuiDataType_U8,&ins->fm.fb,&_ZERO,&_SEVEN));
if (ImGui::Checkbox(FM_NAME(FM_DC),&dc)) { PARAMETER
ins->fm.fms=dc;
}
ImGui::EndDisabled();
ImGui::TableNextColumn();
if (ImGui::Checkbox(FM_NAME(FM_SUS),&sus)) { PARAMETER
ins->fm.alg=sus;
}
ImGui::BeginDisabled(ins->fm.opllPreset!=0);
if (ImGui::Checkbox(FM_NAME(FM_DM),&dm)) { PARAMETER
ins->fm.ams=dm;
}
ImGui::EndDisabled();
ImGui::TableNextColumn();
drawAlgorithm(0,FM_ALGS_2OP_OPL,ImVec2(ImGui::GetContentRegionAvail().x,24.0*dpiScale));
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (ImGui::BeginCombo("##LLPreset",opllInsNames[ins->fm.opllPreset])) {
for (int i=0; i<17; i++) {
if (ImGui::Selectable(opllInsNames[i])) {
ins->fm.opllPreset=i;
}
}
ImGui::EndCombo();
}
break;
}
default:
break;
}
ImGui::EndTable();
}
if (ImGui::BeginTable("FMOperators",2,ImGuiTableFlags_SizingStretchSame)) {
for (int i=0; i<4; i++) {
DivInstrumentFM::Operator& op=ins->fm.op[opOrder[i]];
if (ins->type==DIV_INS_OPLL && ins->fm.opllPreset==16) {
ImGui::Text("the Drums patch is only there for compatibility.\nit is highly encouraged you use the OPLL (drums) system instead!");
}
bool willDisplayOps=true;
if (ins->type==DIV_INS_OPLL && ins->fm.opllPreset!=0) willDisplayOps=false;
if (!willDisplayOps && ins->type==DIV_INS_OPLL) {
P(ImGui::SliderScalar("Volume##TL",ImGuiDataType_U8,&ins->fm.op[1].tl,&_FIFTEEN,&_ZERO));
}
if (willDisplayOps) if (ImGui::BeginTable("FMOperators",2,ImGuiTableFlags_SizingStretchSame)) {
for (int i=0; i<opCount; i++) {
DivInstrumentFM::Operator& op=ins->fm.op[(opCount==4)?opOrder[i]:i];
if ((i+1)&1) ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::Separator();
@ -775,17 +875,31 @@ void FurnaceGUI::drawInsEdit() {
ImGui::SameLine();
int maxTl=127;
if (ins->type==DIV_INS_OPLL) {
if (i==1) {
maxTl=15;
} else {
maxTl=63;
}
}
int maxArDr=(ins->type==DIV_INS_FM || ins->type==DIV_INS_OPZ)?31:15;
bool ssgOn=op.ssgEnv&8;
bool ksrOn=op.ksr;
bool vibOn=op.vib;
unsigned char ssgEnv=op.ssgEnv&7;
if (ImGui::Checkbox("SSG On",&ssgOn)) { PARAMETER
if (ImGui::Checkbox((ins->type==DIV_INS_OPL || ins->type==DIV_INS_OPLL)?FM_NAME(FM_EGS):"SSG On",&ssgOn)) { PARAMETER
op.ssgEnv=(op.ssgEnv&7)|(ssgOn<<3);
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Only for Genesis and Neo Geo systems");
if (ins->type==DIV_INS_FM) {
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Only for Genesis and Neo Geo systems");
}
}
//56.0 controls vert scaling; default 96
drawFMEnv(op.tl,op.ar,op.dr,op.d2r,op.rr,op.sl,ImVec2(ImGui::GetContentRegionAvail().x,56.0*dpiScale));
//52.0 controls vert scaling; default 96
drawFMEnv(op.tl,op.ar,op.dr,op.d2r,op.rr,op.sl,ImVec2(ImGui::GetContentRegionAvail().x,52.0*dpiScale));
//P(ImGui::SliderScalar(FM_NAME(FM_AR),ImGuiDataType_U8,&op.ar,&_ZERO,&_THIRTY_ONE));
if (ImGui::BeginTable("opParams",2,ImGuiTableFlags_SizingStretchProp)) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthStretch,0.0); \
@ -794,14 +908,14 @@ void FurnaceGUI::drawInsEdit() {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##AR",ImGuiDataType_U8,&op.ar,&_THIRTY_ONE,&_ZERO));
P(ImGui::SliderScalar("##AR",ImGuiDataType_U8,&op.ar,&maxArDr,&_ZERO));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_AR));
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##DR",ImGuiDataType_U8,&op.dr,&_THIRTY_ONE,&_ZERO));
P(ImGui::SliderScalar("##DR",ImGuiDataType_U8,&op.dr,&maxArDr,&_ZERO));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_DR));
@ -812,12 +926,14 @@ void FurnaceGUI::drawInsEdit() {
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_SL));
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##D2R",ImGuiDataType_U8,&op.d2r,&_THIRTY_ONE,&_ZERO));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_D2R));
if (ins->type==DIV_INS_FM || ins->type==DIV_INS_OPZ) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##D2R",ImGuiDataType_U8,&op.d2r,&_THIRTY_ONE,&_ZERO));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_D2R));
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
@ -829,7 +945,7 @@ void FurnaceGUI::drawInsEdit() {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##TL",ImGuiDataType_U8,&op.tl,&_ONE_HUNDRED_TWENTY_SEVEN,&_ZERO));
P(ImGui::SliderScalar("##TL",ImGuiDataType_U8,&op.tl,&maxTl,&_ZERO));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_TL));
@ -842,9 +958,15 @@ void FurnaceGUI::drawInsEdit() {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##RS",ImGuiDataType_U8,&op.rs,&_ZERO,&_THREE));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_RS));
if (ins->type==DIV_INS_FM || ins->type==DIV_INS_OPZ) {
P(ImGui::SliderScalar("##RS",ImGuiDataType_U8,&op.rs,&_ZERO,&_THREE));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_RS));
} else {
P(ImGui::SliderScalar("##KSL",ImGuiDataType_U8,&op.ksl,&_ZERO,&_THREE));
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_KSL));
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
@ -853,37 +975,50 @@ void FurnaceGUI::drawInsEdit() {
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_MULT));
int detune=(op.dt&7)-3;
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (ImGui::SliderInt("##DT",&detune,-3,3)) { PARAMETER
op.dt=detune+3;
}
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_DT));
if (ins->type==DIV_INS_FM || ins->type==DIV_INS_OPZ) {
int detune=(op.dt&7)-3;
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (ImGui::SliderInt("##DT",&detune,-3,3)) { PARAMETER
op.dt=detune+3;
}
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_DT));
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##DT2",ImGuiDataType_U8,&op.dt2,&_ZERO,&_THREE));
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Only for Arcade system");
}
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_DT2));
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
P(ImGui::SliderScalar("##DT2",ImGuiDataType_U8,&op.dt2,&_ZERO,&_THREE));
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Only for Arcade system");
}
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_DT2));
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (ImGui::SliderScalar("##SSG",ImGuiDataType_U8,&ssgEnv,&_ZERO,&_SEVEN,ssgEnvTypes[ssgEnv])) { PARAMETER
op.ssgEnv=(op.ssgEnv&8)|(ssgEnv&7);
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if (ImGui::SliderScalar("##SSG",ImGuiDataType_U8,&ssgEnv,&_ZERO,&_SEVEN,ssgEnvTypes[ssgEnv])) { PARAMETER
op.ssgEnv=(op.ssgEnv&8)|(ssgEnv&7);
}
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_SSG));
}
ImGui::TableNextColumn();
ImGui::Text("%s",FM_NAME(FM_SSG));
ImGui::EndTable();
}
if (ins->type==DIV_INS_OPLL || ins->type==DIV_INS_OPL) {
if (ImGui::Checkbox(FM_NAME(FM_VIB),&vibOn)) { PARAMETER
op.vib=vibOn;
}
ImGui::SameLine();
if (ImGui::Checkbox(FM_NAME(FM_KSR),&ksrOn)) { PARAMETER
op.ksr=ksrOn;
}
}
ImGui::PopID();
}
ImGui::EndTable();
@ -904,15 +1039,25 @@ void FurnaceGUI::drawInsEdit() {
MACRO_END;
ImGui::EndTabItem();
}
for (int i=0; i<4; i++) {
for (int i=0; i<opCount; i++) {
snprintf(label,31,"OP%d Macros",i+1);
if (ImGui::BeginTabItem(label)) {
ImGui::PushID(i);
MACRO_BEGIN(0);
int ordi=orderedOps[i];
OP_MACRO(ins->std.opMacros[ordi].tlMacro,ins->std.opMacros[ordi].tlMacroLen,ins->std.opMacros[ordi].tlMacroLoop,ins->std.opMacros[ordi].tlMacroRel,127,ordi,"tl",FM_NAME(FM_TL),128,ins->std.opMacros[ordi].tlMacroOpen,false,NULL,mmlString[0]);
OP_MACRO(ins->std.opMacros[ordi].arMacro,ins->std.opMacros[ordi].arMacroLen,ins->std.opMacros[ordi].arMacroLoop,ins->std.opMacros[ordi].arMacroRel,31,ordi,"ar",FM_NAME(FM_AR),64,ins->std.opMacros[ordi].arMacroOpen,false,NULL,mmlString[1]);
OP_MACRO(ins->std.opMacros[ordi].drMacro,ins->std.opMacros[ordi].drMacroLen,ins->std.opMacros[ordi].drMacroLoop,ins->std.opMacros[ordi].drMacroRel,31,ordi,"dr",FM_NAME(FM_DR),64,ins->std.opMacros[ordi].drMacroOpen,false,NULL,mmlString[2]);
int ordi=(opCount==4)?orderedOps[i]:i;
int maxTl=127;
if (ins->type==DIV_INS_OPLL) {
if (i==1) {
maxTl=15;
} else {
maxTl=63;
}
}
int maxArDr=(ins->type==DIV_INS_FM || ins->type==DIV_INS_OPZ)?31:15;
OP_MACRO(ins->std.opMacros[ordi].tlMacro,ins->std.opMacros[ordi].tlMacroLen,ins->std.opMacros[ordi].tlMacroLoop,ins->std.opMacros[ordi].tlMacroRel,maxTl,ordi,"tl",FM_NAME(FM_TL),128,ins->std.opMacros[ordi].tlMacroOpen,false,NULL,mmlString[0]);
OP_MACRO(ins->std.opMacros[ordi].arMacro,ins->std.opMacros[ordi].arMacroLen,ins->std.opMacros[ordi].arMacroLoop,ins->std.opMacros[ordi].arMacroRel,maxArDr,ordi,"ar",FM_NAME(FM_AR),64,ins->std.opMacros[ordi].arMacroOpen,false,NULL,mmlString[1]);
OP_MACRO(ins->std.opMacros[ordi].drMacro,ins->std.opMacros[ordi].drMacroLen,ins->std.opMacros[ordi].drMacroLoop,ins->std.opMacros[ordi].drMacroRel,maxArDr,ordi,"dr",FM_NAME(FM_DR),64,ins->std.opMacros[ordi].drMacroOpen,false,NULL,mmlString[2]);
OP_MACRO(ins->std.opMacros[ordi].d2rMacro,ins->std.opMacros[ordi].d2rMacroLen,ins->std.opMacros[ordi].d2rMacroLoop,ins->std.opMacros[ordi].d2rMacroRel,31,ordi,"d2r",FM_NAME(FM_D2R),64,ins->std.opMacros[ordi].d2rMacroOpen,false,NULL,mmlString[3]);
OP_MACRO(ins->std.opMacros[ordi].rrMacro,ins->std.opMacros[ordi].rrMacroLen,ins->std.opMacros[ordi].rrMacroLoop,ins->std.opMacros[ordi].rrMacroRel,15,ordi,"rr",FM_NAME(FM_RR),64,ins->std.opMacros[ordi].rrMacroOpen,false,NULL,mmlString[4]);
OP_MACRO(ins->std.opMacros[ordi].slMacro,ins->std.opMacros[ordi].slMacroLen,ins->std.opMacros[ordi].slMacroLoop,ins->std.opMacros[ordi].slMacroRel,15,ordi,"sl",FM_NAME(FM_SL),64,ins->std.opMacros[ordi].slMacroOpen,false,NULL,mmlString[5]);
@ -1546,7 +1691,7 @@ void FurnaceGUI::drawWaveEdit() {
wavePreview[i]=wave->data[i];
}
if (wave->len>0) wavePreview[wave->len]=wave->data[wave->len-1];
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x); //wavetable text input size found here
if (ImGui::InputText("##MMLWave",&mmlStringW)) {
decodeMMLStrW(mmlStringW,wave->data,wave->len,wave->max);
}
@ -1555,7 +1700,11 @@ void FurnaceGUI::drawWaveEdit() {
}
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding,ImVec2(0.0f,0.0f));
ImVec2 contentRegion=ImGui::GetContentRegionAvail();
ImVec2 contentRegion=ImGui::GetContentRegionAvail(); //wavetable graph size determined here
if (ImGui::GetContentRegionAvail().y > (ImGui::GetContentRegionAvail().x / 2.0f)) {
contentRegion=ImVec2(ImGui::GetContentRegionAvail().x,ImGui::GetContentRegionAvail().x / 2.0f);
}
PlotNoLerp("##Waveform",wavePreview,wave->len+1,0,NULL,0,wave->max,contentRegion);
if (ImGui::IsItemClicked(ImGuiMouseButton_Left)) {
waveDragStart=ImGui::GetItemRectMin();