Processor.h

#ifndef PROCESSOR_H
#define PROCESSOR_H

#include "MainMemory.h"

#define INTERRUPTTYPES 10

//Registers
#define REGISTERS 10

// Enumerated type that connects bit positions in the PSW register with
// processor events and status
enum PSW_BITS {POWEROFF_BIT=0, ZERO_BIT=1, NEGATIVE_BIT=2, OVERFLOW_BIT=3, EXECUTION_MODE_BIT=7, INTERRUPT_MASKED_BIT=15};

// Enumerated type that connects bit positions in the interruptLines with
// interrupt types 
enum INT_BITS {SYSCALL_BIT=2, EXCEPTION_BIT=6, IOEND_BIT=8, CLOCK_BIT=9};

// Exception types
enum EXCEPTIONS {DIVISIONBYZERO, INVALIDPROCESSORMODE, INVALIDADDRESS, INVALIDINSTRUCTION, INVALIDREGISTER};

// Functions prototypes
void Processor_InitializeInterruptVectorTable();
void Processor_InstructionCycleLoop();
void Processor_CopyInSystemStack(int, int);
int Processor_CopyFromSystemStack(int);
unsigned int Processor_PSW_BitState(const unsigned int);
char * Processor_ShowPSW();
void Processor_PrintRegisters();

int Processor_GetMAR();
void Processor_SetMAR(int);
void Processor_GetMBR(MEMORYCELL *);
void Processor_SetMBR(MEMORYCELL *);
void Processor_RaiseInterrupt(const unsigned int);
 
void Processor_SetPC(int);

int Processor_GetRegister(int);
void Processor_SetRegister(int, int);

int Processor_GetAccumulator();
void Processor_SetAccumulator(int);
int Processor_GetRegisterA();
int Processor_GetRegisterB();
void Processor_SetPSW(unsigned int);
unsigned int Processor_GetPSW();

void Processor_RaiseException(int);

#endif