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

48 lines
1.6 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/>.
*/
#include <stdint.h>
#ifndef __UTILS__
#define __UTILS__
namespace Binary {
uint8_t lower8BitsOf(uint16_t);
uint8_t higher8BitsOf(uint16_t);
uint16_t lower16BitsOf(uint32_t);
bool is8bitValueNegative(uint8_t);
bool is16bitValueNegative(uint16_t);
bool is8bitValueZero(uint8_t);
bool is16bitValueZero(uint16_t);
void setLower8BitsOf16BitsValue(uint16_t *, uint8_t);
void setBitIn8BitValue(uint8_t *, uint8_t);
void clearBitIn8BitValue(uint8_t *, uint8_t);
void setBitIn16BitValue(uint16_t *, uint8_t);
void clearBitIn16BitValue(uint16_t *, uint8_t);
uint8_t convert8BitToBcd(uint8_t);
uint16_t convert16BitToBcd(uint16_t);
bool bcdSum8Bit(uint8_t, uint8_t, uint8_t *, bool);
bool bcdSum16Bit(uint16_t, uint16_t, uint16_t *, bool);
bool bcdSubtract8Bit(uint8_t, uint8_t, uint8_t *, bool);
bool bcdSubtract16Bit(uint16_t, uint16_t, uint16_t *, bool);
}
#endif