/* * Copyright (c) 1999-2001 Tony Givargis.  Permission to copy is granted * provided that this header remains intact.  This software is provided * with no warranties. * * Version : 2.9 *//*---------------------------------------------------------------------------*/#include <reg51.h>/*---------------------------------------------------------------------------*/unsigned char cast(unsigned long l) {        return (unsigned char)l;}/*---------------------------------------------------------------------------*/void main() {        unsigned long l = 0x01234567;        P0 = cast(l >> 24);    P1 = cast(l >> 16);    P2 = cast(l >>  8);    P3 = cast(l >>  0);        while(1);}