/*	Copyright 2001, 2002 Georges Menie (www.menie.org)    This program is free software; you can redistribute it and/or modify    it under the terms of the GNU Lesser General Public License as published by    the Free Software Foundation; either version 2 of the License, or    (at your option) any later version.    This program is distributed in the hope that it will be useful,    but WITHOUT ANY WARRANTY; without even the implied warranty of    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    GNU Lesser General Public License for more details.    You should have received a copy of the GNU Lesser General Public License    along with this program; if not, write to the Free Software    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*/#include "baselib.h"#include "68vz328.h"#include "io.h"#include "timer.h"int _inbyte(unsigned short timeout) // msec timeout{	unsigned short c;	int delay = timeout << 4;	while (((c=readw(URX1)) & 0x2000) == 0) {		usleep(60); // 60 us * 16 = 960 us (~ 1 ms)		if (timeout) {			if (--delay == 0) return -2;		}	}	return c & 0x0FF;}