/*
 * c64tpi.def - IEEE488 interface for the C64.
 *
 * Written by
 *   André Fachat (a.fachat@physik.tu-chemnitz.de)
 *
 * This file is part of VICE, the Versatile Commodore Emulator.
 * See README for copyright notice.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU 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.
 *
 */

INCLUDES()
{
#include "parallel.h"
#include "tpi.h"
}

RESET()
{
	/* assuming input after reset */
	par_set_atn(0);
	par_set_ndac(0);
	par_set_nrfd(0);
	par_set_dav(0);
	par_set_eoi(0);
	par_set_bus(0);
}

STORE_PA()
{
		par_set_atn( b & 0x08 );
		par_set_dav( b & 0x10 );
		par_set_eoi( b & 0x20 );
		par_set_ndac( b & 0x40 );
		par_set_nrfd( b & 0x80 );
}

STORE_PB()
{
		par_set_bus( b );
}

#define	STORE_PC

READ_PA()
{
		b = par_atn ? 0 : 8;
		b += par_dav ? 0 : 16;
		b += par_eoi ? 0 : 32;
		b += par_ndac ? 0 : 64;
		b += par_nrfd ? 0 : 128;
}

READ_PB()
{
		b = par_bus;
}

#define	READ_PC