1/*- 2 * Copyright (c) 2005 TAKAHASHI Yoshihiro 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29/* 30 * modified for PC9801 by A.Kojima 31 * Kyoto University Microcomputer Club (KMC) 32 */ 33 34#define lpt_pstb_ctrl (-9) /* PSTB enable control */ 35#define LPC_EN_PSTB 0xc /* PSTB enable */ 36#define LPC_DIS_PSTB 0xd /* PSTB disable */ 37 38#define lpt_data 0 /* Data to/from printer (R/W) */ 39 40#define lpt_status 2 /* Status of printer (R) */ 41#define LPS_NBSY 0x4 /* printer no ack of data */ 42 43#define lpt_control 6 /* Control printer (W) */ 44#define LPC_MODE8255 0x82 /* 8255 mode */ 45#define LPC_IRQ8 0x6 /* IRQ8 active */ 46#define LPC_NIRQ8 0x7 /* IRQ8 inactive */ 47#define LPC_PSTB 0xe /* PSTB active */ 48#define LPC_NPSTB 0xf /* PSTB inactive */ 49