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prepare for issues #1554 and #1684

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tildearrow 2024-01-31 15:07:48 -05:00
parent 26bf3c407a
commit 532f00a311
4 changed files with 11 additions and 8 deletions
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5
src/engine/chipUtils.h
View file

@ -20,6 +20,7 @@
#ifndef _CHIP_UTILS_H
#define _CHIP_UTILS_H
#include "defines.h"
#include "macroInt.h"
// custom clock limits
@ -29,7 +30,7 @@
// common shared channel struct
template<typename T> struct SharedChannel {
int freq, baseFreq, baseNoteOverride, pitch, pitch2, arpOff;
int ins, note;
int ins, note, sampleNote, sampleNoteDelta;
bool active, insChanged, freqChanged, fixedArp, keyOn, keyOff, portaPause, inPorta;
T vol, outVol;
DivMacroInt std;
@ -71,6 +72,8 @@ template<typename T> struct SharedChannel {
arpOff(0),
ins(-1),
note(0),
sampleNote(DIV_NOTE_NULL),
sampleNoteDelta(0),
active(false),
insChanged(true),
freqChanged(false),

1
src/engine/defines.h
View file

@ -36,5 +36,6 @@
// dispatch
#define DIV_MAX_OUTPUTS 16
#define DIV_NOTE_NULL 0x7fffffff
#endif

3
src/engine/dispatch.h
View file

@ -25,11 +25,10 @@
#include "../pch.h"
#include "config.h"
#include "chipUtils.h"
#include "defines.h"
#define ONE_SEMITONE 2200
#define DIV_NOTE_NULL 0x7fffffff
#define addWrite(a,v) regWrites.push_back(DivRegWrite(a,v));
// HOW TO ADD A NEW COMMAND:

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

@ -383,7 +383,7 @@ void DivPlatformAmiga::tick(bool sysTick) {
chan[i].handleArp();
} else if (chan[i].std.arp.had) {
// TODO: why the off mult? this may be a bug!
chan[i].baseFreq=round(off*NOTE_PERIODIC_NOROUND(parent->calcArp(chan[i].note,chan[i].std.arp.val)));
chan[i].baseFreq=round(NOTE_PERIODIC_NOROUND(parent->calcArp(chan[i].note,chan[i].std.arp.val)));
chan[i].freqChanged=true;
}
if (chan[i].useWave && chan[i].std.wave.had) {
@ -580,7 +580,9 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
} else {
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].sample=ins->amiga.getSample(c.value);
chan[c.chan].sampleNote=c.value;
c.value=ins->amiga.getFreq(c.value);
chan[c.chan].sampleNoteDelta=c.value-chan[c.chan].sampleNote;
}
chan[c.chan].useWave=false;
}
@ -657,9 +659,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
chan[c.chan].updateWave=true;
break;
case DIV_CMD_NOTE_PORTA: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
chan[c.chan].sample=ins->amiga.getSample(c.value2);
int destFreq=round(NOTE_PERIODIC_NOROUND(c.value2));
int destFreq=round(NOTE_PERIODIC_NOROUND(c.value2+chan[c.chan].sampleNoteDelta));
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
chan[c.chan].baseFreq+=c.value;
@ -682,7 +682,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
break;
}
case DIV_CMD_LEGATO: {
chan[c.chan].baseFreq=round(NOTE_PERIODIC_NOROUND(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0))));
chan[c.chan].baseFreq=round(NOTE_PERIODIC_NOROUND(c.value+chan[c.chan].sampleNoteDelta+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0))));
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
break;