#include "jorth.h"
#include "adlib.h"
#include "kbd.h"
#include "timer.h"

cell ontick = 0;
void f_adlib_read() {
  PUSHU(adlib_read());
}

void f_adlib_write() {
  adlib_write(TOP().u & 0xff, ST1().u & 0xff);
  DROP(2);
}

static void timer_callback() {
  if (ontick.p) {
    f_execcp(ontick);
  }
}

int DONE = 0;
static void f_quit() {
  DONE = 1;
}

void do_repl() {
  char buf[128];

  adlib_init();

  timer_init(TIMER_18HZ);
  f_init();

  CDEF("quit", f_quit);
  CDEF("adlib!", f_adlib_write);
  CDEF("adlib@", f_adlib_read);

  f_loadfile("jopl.jor");
  ontick = f_lookupcp("ontick");
  timer_setcallback(timer_callback);

  f_taskloop();

  while (!DONE) {
    PUSHS(gets(buf));
    f_runstring("REPL send");
    f_taskloop();
  }
}

int main() {
  do_repl();
  return 0;
}