69 lines
2 KiB
C
69 lines
2 KiB
C
/*
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* Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef STATE_H
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#define STATE_H
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#include "common.h"
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#include "opcodes.h"
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typedef struct stateS {
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uint16_t *stack; // Must be first entry!
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bool quit;
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uint32_t pc; // Program Counter
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uint16_t sp; // Stack Pointer
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uint16_t bp; // Base Pointer
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opcodeT opcodes[256];
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opcodeT extOpcodes[30];
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uint8_t operandCount;
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uint16_t operands[8];
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char alphabetTable[78];
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uint16_t checksum;
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char statusBar[256];
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byte statusBarLen;
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byte currentWindow;
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byte statusWindowLineCount; // If 0, there is no window split.
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byte savedX;
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byte savedY;
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bool outputting;
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bool redirecting;
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byte linesOut;
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#ifdef DEBUGGING
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char *opcodesName[256];
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char *extOpcodesName[30];
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uint32_t instructionsRun;
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#endif
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} stateT;
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extern stateT __state;
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void stateReset(void);
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void stateShutdown(void);
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void stateStartup(void);
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#endif // STATE_H
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