Lib65816/include/OpCode.hpp
2018-03-04 21:04:25 +01:00

68 lines
1.9 KiB
C++

/*
* This file is part of the 65816 Emulator Library.
* Copyright (c) 2018 Francesco Rigoni.
*
* https://github.com/FrancescoRigoni/Lib65816
*
* 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, version 3.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPCODE_HPP
#define OPCODE_HPP
#include <stdint.h>
#include "Addressing.hpp"
class Cpu65816;
class OpCode {
private:
uint8_t mCode;
const char * const mName;
AddressingMode mAddressingMode;
void (Cpu65816::*mExecutor)(OpCode &);
public:
OpCode(uint8_t code, const char * const name, const AddressingMode &addressingMode) :
mCode(code), mName(name), mAddressingMode(addressingMode), mExecutor(0) {
}
OpCode(uint8_t code, const char * const name, const AddressingMode &addressingMode, void (Cpu65816::*executor)(OpCode &)) :
mCode(code), mName(name), mAddressingMode(addressingMode), mExecutor(executor) {
}
const uint8_t getCode() {
return mCode;
}
const char *getName() {
return mName;
}
const AddressingMode getAddressingMode() {
return mAddressingMode;
}
const bool execute(Cpu65816 &cpu) {
if (mExecutor != 0) {
OpCode opCode = *this;
(cpu.*mExecutor)(opCode);
return true;
}
return false;
}
};
#endif // OPCODE_HPP