muddle/include/state.h
2024-02-07 18:58:53 -06:00

67 lines
1.9 KiB
C

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