furnace/src/engine/platform/c64.h
tildearrow 997c460fc1 greatly improved playback resume
no more song weirding out when changing orders
2021-12-21 01:29:07 -05:00

70 lines
1.6 KiB
C++

#ifndef _C64_H
#define _C64_H
#include "../dispatch.h"
#include "../macroInt.h"
#include "sound/c64/sid.h"
class DivPlatformC64: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch, prevFreq, testWhen, note;
unsigned char ins, sweep, wave, attack, decay, sustain, release;
short duty;
bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, filter;
bool resetMask, resetFilter, resetDuty, ring, sync;
signed char vol, outVol;
DivMacroInt std;
Channel():
freq(0),
baseFreq(0),
pitch(0),
prevFreq(65535),
testWhen(0),
note(0),
ins(-1),
sweep(0),
wave(0),
attack(0),
decay(0),
sustain(0),
release(0),
duty(0),
active(false),
insChanged(true),
freqChanged(false),
sweepChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
filter(false),
resetMask(false),
resetFilter(false),
resetDuty(false),
ring(false),
sync(false),
vol(15) {}
};
Channel chan[3];
bool isMuted[3];
unsigned char filtControl, filtRes, vol;
int filtCut, resetTime;
SID sid;
void updateFilter();
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void reset();
void forceIns();
void tick();
void muteChannel(int ch, bool mute);
void setPAL(bool pal);
int init(DivEngine* parent, int channels, int sugRate, bool pal);
void setChipModel(bool is6581);
void quit();
~DivPlatformC64();
};
#endif