35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
// utility.h
|
|
// Utilities for the SplitBit CPU Emulator
|
|
// Written by Anachronaut
|
|
// 10/15/2024
|
|
|
|
|
|
#ifndef UTILITY_H
|
|
#define UTILITY_H
|
|
|
|
#include <stdint.h>
|
|
#include "cpu.h"
|
|
|
|
// Results of reading the command line.
|
|
#define OPTIONS_OK 0 // Carry on and run the program.
|
|
#define OPTIONS_HELP 1 // The user asked for help, so stop, but not because of an error.
|
|
#define OPTIONS_ERROR 2 // The command line was no good, stop and complain.
|
|
|
|
typedef struct {
|
|
uint8_t debug; // Step one instruction at a time, printing the registers.
|
|
uint8_t fast; // Ignore the cycle rate and run as fast as the host allows.
|
|
unsigned long cycles; // Stop after this many cycles. Zero means run until the program halts.
|
|
} EmulatorOptions;
|
|
|
|
uint8_t parseOptions(int argc, char *argv[], EmulatorOptions *options);
|
|
|
|
void printHelp(const char *programName);
|
|
|
|
uint8_t loadFile(char *path, uint8_t *Program, uint8_t *Data);
|
|
|
|
void bootStrap(uint8_t *Program, uint8_t *Data);
|
|
|
|
void printRegisters(CPURegisters *cpu, uint8_t *Program, uint8_t *Data);
|
|
|
|
#endif // UTILITY_H
|