nxu/term.c

34 lines
1017 B
C

#include <pty.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
// compile with gcc term.c -lutil
int main(int argc, char **argv) {
if (argc < 2) {
printf("usage: %s ROM\n", argv[0]);
return 1;
}
char *rom = argv[1]; // find term.rom
int fdm = -1; // allocate file descriptor
// allocate a pty, fork, inititialize file descriptor
pid_t pid = forkpty(&fdm, NULL, NULL, NULL);
if (pid < 0) { // failure
perror("fork failed");
return 1;
} else if (pid == 0) { // child
setenv("TERM", "ansi", 1);
execlp("bash", "bash", NULL); // exec bash
perror("exec bash failed");
} else { // parent
struct winsize ws = {23, 80, 8, 12}; // rows, cols, xps, ypx
ioctl(fdm, TIOCSWINSZ, &ws); // set term window size
dup2(fdm, 0); // use fdm for stdin
dup2(fdm, 1); // use fdm for stdout
execlp("uxnemu", "uxnemu", rom, NULL); // exec uxnemu
perror("exec uxnemu failed");
}
}