NINTV-DS/arm9/source/emucore/ProcessorBus.h
2021-09-02 17:32:31 -04:00

66 lines
1.0 KiB
C++

#ifndef PROCESSORBUS_H
#define PROCESSORBUS_H
#include "Processor.h"
#include "types.h"
#include "AudioMixer.h"
const INT32 MAX_PROCESSORS = 15;
class ScheduleQueue;
class ProcessorBus
{
public:
ProcessorBus();
virtual ~ProcessorBus();
void addProcessor(Processor* p);
void removeProcessor(Processor* p);
void removeAll();
void reset();
void run();
void stop();
void halt(Processor* p);
void unhalt(Processor* p);
void pause(Processor* p, int ticks);
private:
void reschedule(ScheduleQueue*);
UINT32 processorCount;
Processor* processors[MAX_PROCESSORS];
bool running;
ScheduleQueue* startQueue;
ScheduleQueue* endQueue;
};
class ScheduleQueue
{
friend class ProcessorBus;
private:
ScheduleQueue(Processor* p)
: tickFactor(0),
tick(0),
previous(NULL),
next(NULL)
{
this->processor = p;
}
Processor* processor;
UINT64 tickFactor;
UINT64 tick;
ScheduleQueue* previous;
ScheduleQueue* next;
};
UINT64 lcm(UINT64 a, UINT64 b);
#endif