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-/*-
- * Copyright (c) 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)nec765.h 7.1 (Berkeley) 5/9/91
- */
-
-/*
- * Nec 765 floppy disc controller definitions
- */
-
-/* Main status register */
-#define NE7_DAB 0x01 /* Diskette drive A is seeking, thus busy */
-#define NE7_DBB 0x02 /* Diskette drive B is seeking, thus busy */
-#define NE7_CB 0x10 /* Diskette Controller Busy */
-#define NE7_NDM 0x20 /* Diskette Controller in Non Dma Mode */
-#define NE7_DIO 0x40 /* Diskette Controller Data register I/O */
-#define NE7_RQM 0x80 /* Diskette Controller ReQuest for Master */
-
-/* Status register ST0 */
-#define NE7_ST0BITS "\020\010invld\007abnrml\006seek_cmplt\005drv_chck\004drive_rdy\003top_head"
-
-/* Status register ST1 */
-#define NE7_ST1BITS "\020\010end_of_cyl\006bad_crc\005data_overrun\003sec_not_fnd\002write_protect\001no_am"
-
-/* Status register ST2 */
-#define NE7_ST2BITS "\020\007ctrl_mrk\006bad_crc\005wrong_cyl\004scn_eq\003scn_not_fnd\002bad_cyl\001no_dam"
-
-/* Status register ST3 */
-#define NE7_ST3BITS "\020\010fault\007write_protect\006drdy\005tk0\004two_side\003side_sel\002"
-
-/* Commands */
-#define NE7CMD_SPECIFY 3 /* specify drive parameters - requires unit
- parameters byte */
-#define NE7CMD_SENSED 4 /* sense drive - requires unit select byte */
-#define NE7CMD_WRITE 0xc5 /* write - requires eight additional bytes */
-#define NE7CMD_READ 0xe6 /* read - requires eight additional bytes */
-#define NE7CMD_FORMAT 0x4c /* format - requires five additional bytes */
-#define NE7CMD_RECAL 7 /* recalibrate drive - requires
- unit select byte */
-#define NE7CMD_SENSEI 8 /* sense controller interrupt status */
-#define NE7CMD_SEEK 15 /* seek drive - requires unit select byte
- and new cyl byte */
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