MyLittleCPU/src/main.c

#include <stdio.h>
#include "emu.h"
#include "util.h"

int main(int argc, char** argv) {

    if (argc < 2) {
        fprintf(stderr, "Usage: %s <ROM to emulate>\n", argv[0]);
        return 1;
    }

    Emulator* emu = initEmulator(0x00010FFF);
    if (!emu) {
        fprintf(stderr, "emu: error: failed to allocate memory for emulator\n");
        return 1;
    }

    /*
    Instruction program[] = {
        {INST_MVI, {REG_A}, 0, true},
        {INST_MVI, {REG_B}, 123, true},
        {INST_PORT, {REG_A, REG_B, 0}, 0, false},
        {INST_PORT, {REG_A, REG_B, 1}, 0, false},
        {INST_HLT, {}, 0, false}
    };

    RomFile* f = readProgramFromFile("../add.o");
    memcpy(emu->mem + MEM_PROGRAM_START, f->instructions, sizeof(SerializedInst) * f->header.numInstructions);
    memoryLoadProgram(emu->mem, program, sizeof(program)/sizeof(program[0]));
    */

    RomFile* rom = readProgramFromFile(argv[1]);
    if (rom == NULL) {
        fprintf(stderr, "Failed to read rom from %s\n", argv[1]);
        return 1;
    }

    memcpy(emu->mem->data + MEM_PROGRAM_START, rom->instructions, sizeof(SerializedInst) * rom->header.numInstructions);

    startEmulator(emu);
    freeEmulator(emu);

    return 0;
}