68 lines
1.9 KiB
C++
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
|