mirror of
https://github.com/FrancescoRigoni/Lib65816.git
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48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
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/*
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* This file is part of the 65816 Emulator Library.
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* Copyright (c) 2018 Francesco Rigoni.
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*
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* https://github.com/FrancescoRigoni/Lib65816
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#ifndef __UTILS__
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#define __UTILS__
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namespace Binary {
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uint8_t lower8BitsOf(uint16_t);
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uint8_t higher8BitsOf(uint16_t);
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uint16_t lower16BitsOf(uint32_t);
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bool is8bitValueNegative(uint8_t);
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bool is16bitValueNegative(uint16_t);
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bool is8bitValueZero(uint8_t);
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bool is16bitValueZero(uint16_t);
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void setLower8BitsOf16BitsValue(uint16_t *, uint8_t);
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void setBitIn8BitValue(uint8_t *, uint8_t);
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void clearBitIn8BitValue(uint8_t *, uint8_t);
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void setBitIn16BitValue(uint16_t *, uint8_t);
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void clearBitIn16BitValue(uint16_t *, uint8_t);
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uint8_t convert8BitToBcd(uint8_t);
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uint16_t convert16BitToBcd(uint16_t);
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bool bcdSum8Bit(uint8_t, uint8_t, uint8_t *, bool);
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bool bcdSum16Bit(uint16_t, uint16_t, uint16_t *, bool);
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bool bcdSubtract8Bit(uint8_t, uint8_t, uint8_t *, bool);
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bool bcdSubtract16Bit(uint16_t, uint16_t, uint16_t *, bool);
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}
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#endif
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