#include "pmc.h"

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

  rs.w.FLAGS = rs.d.SSSP = 0;
  rs.b.DL = drive;
  rs.b.AH = 0x36;

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

  return rs.w.DX * rs.w.CX * rs.w.AX;
}