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/*
* fdc.h - 1001/8x50 FDC definitions
*
* Written by
* Andre' Fachat <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.
*
*/
#ifndef VICE_FDC_H
#define VICE_FDC_H
#include "types.h"
struct disk_image_s;
struct drive_context_s;
struct snapshot_s;
/* FDC states */
#define FDC_UNUSED 0
#define FDC_RESET0 1
#define FDC_RESET1 2
#define FDC_RESET2 3
#define FDC_RUN 4
#define FDC_LAST_STATE 4
/* fdc error codes to return to drive CPU */
#define FDC_ERR_OK 1
#define FDC_ERR_HEADER 2
#define FDC_ERR_SYNC 3
#define FDC_ERR_NOBLOCK 4
#define FDC_ERR_DCHECK 5
#define FDC_ERR_VERIFY 7
#define FDC_ERR_WPROT 8
#define FDC_ERR_HCHECK 9
#define FDC_ERR_BLENGTH 10
#define FDC_ERR_ID 11
#define FDC_ERR_FSPEED 12
#define FDC_ERR_DRIVE 15
#define FDC_ERR_DECODE 16
extern void fdc_init(struct drive_context_s *drv);
extern void fdc_reset(unsigned int fnum, unsigned int enabled);
extern int fdc_snapshot_read_module(struct snapshot_s *s, int drv);
extern int fdc_snapshot_write_module(struct snapshot_s *s, int drv);
extern int fdc_attach_image(struct disk_image_s *image, unsigned int unit);
extern int fdc_detach_image(struct disk_image_s *image, unsigned int unit);
#endif
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