#include "pmode.h"

long __pascal drivechange (int drive)
{
  REGSTRUCT rs;
  int r;

  rs.flags = rs.sp = rs.ss = 0;
  rsDL(rs) = drive - 1;
  rsAH(rs) = 0xe;

  if ((r = xlt_simrmint (0x21, &rs, 0)) < 0)
    return r;

  return 0;
}