mirror of
https://github.com/KevinMidboe/linguist.git
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87 lines
1.7 KiB
C++
87 lines
1.7 KiB
C++
/*
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* This file is part of PIC
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* Copyright © 2012 Rachel Mant (dx-mon@users.sourceforge.net)
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*
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* PIC is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PIC is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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enum PIC16F88Instruction
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{
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ADDWF,
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ANDWF,
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CLRF,
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CLRW,
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COMF,
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DECF,
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DECFSZ,
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INCF,
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INCFSZ,
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IORWF,
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MOVF,
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MOVWF,
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NOP,
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RLF,
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RRF,
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SUBWF,
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SWAPF,
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XORWF,
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BCF,
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BSF,
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BTFSC,
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BTFSS,
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ADDLW,
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ANDLW,
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CALL,
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CLRWDT,
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GOTO,
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IORLW,
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MOVLW,
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RETFIE,
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RETLW,
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RETURN,
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SLEEP,
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SUBLW,
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XORLW
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};
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class PIC16F88
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{
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public:
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PIC16F88(ROM *ProgramMemory);
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void Step();
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private:
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uint8_t q;
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bool nextIsNop, trapped;
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Memory *memory;
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ROM *program;
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Stack<uint16_t, 8> *CallStack;
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Register<uint16_t> *PC;
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Register<> *WREG, *PCL, *STATUS, *PCLATCH;
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PIC16F88Instruction inst;
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uint16_t instrWord;
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private:
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void DecodeInstruction();
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void ProcessInstruction();
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uint8_t GetBank();
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uint8_t GetMemoryContents(uint8_t partialAddress);
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void SetMemoryContents(uint8_t partialAddress, uint8_t newVal);
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void CheckZero(uint8_t value);
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void StoreValue(uint8_t value, bool updateZero);
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uint8_t SetCarry(bool val);
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uint16_t GetPCHFinalBits();
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};
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