#include <pty.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char **argv) {
    if (argc < 2) {
        printf("usage: %s ROM\n", argv[0]);
        return 1;
    }
    char *rom = argv[1];
    int fdm = -1;
    setenv("TERM", "ansi", 1);
    pid_t pid = forkpty(&fdm, NULL, NULL, NULL);

    if (pid < 0) {
        // failure
        printf("fork failed");
        return 1;
    } else if (pid == 0) {
        // child
        setsid();
        execlp("bash", "bash");
    } else {
        // parent
        // rows, cols, xpixels, ypixels (little endian)
        char argp[] = {23, 0, 80, 0, 8, 0, 12, 0};
        ioctl(fdm, TIOCSWINSZ, argp);
        dup2(fdm, 0);
        dup2(fdm, 1);
        execlp("uxnemu", "uxnemu", rom);
    }
}