extern _rax,_rdx;
extern _carryf;

use_and_exit()
{
 puts("\nuse: ccd_mon a[or b]\n");
 exit(0);
}

main(argc,argv)
int argc;
char **argv;
{
 if (argc!=2) {
  use_and_exit();
 }

 if (*argv[1]=='a') _rdx=0x0101;
 else if (*argv[1]=='b') _rdx=0x0202;
 else use_and_exit();

 _rax=0x2401;
 _doint(0x61);

 if (_carryf) {
  puts("INT61 - Error !\n");
  exit(0);
 } else {
  exec("pmon.exe","");
  _rax=0x2401; _rdx=0x0000;
  _doint(0x61);
  puts("\n .. bye .. bye ..\n");
 } 
 exit(0);
}