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root/cebix/cwcbm/common.h
Revision: 1.3
Committed: 2004-01-10T14:05:59Z (20 years, 6 months ago) by cebix
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 1.2: +25 -19 lines
Log Message:
added support for 8050 and 8250 formats

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * common.h - Common parts of readcbm and writecbm
3     *
4 cebix 1.2 * Written in 2003-2004 by Christian Bauer <Christian.Bauer@uni-mainz.de>
5 cebix 1.1 */
6    
7     #ifndef COMMON_H
8     #define COMMON_H
9    
10 cebix 1.2 #include <stdio.h>
11     #include <stdlib.h>
12     #include <string.h>
13     #include <time.h>
14     #include <unistd.h>
15     #include <getopt.h>
16     #include <errno.h>
17     #include <sys/io.h>
18    
19    
20 cebix 1.3 /* Disk format description */
21     struct format_t {
22     int sides;
23     int tracks_per_side;
24     const int *bps; // bps for each speed zone
25     const int *std_speed; // zone for each track
26     const int *num_sectors; // number of sectors for each track
27     };
28    
29     /* Selected format */
30     extern const struct format_t *format;
31    
32 cebix 1.1
33     /* Maximum number of sectors per track */
34 cebix 1.3 #define MAX_SECTORS 29
35 cebix 1.1
36     /* Bytes per sector */
37     #define SECTOR_SIZE 256
38    
39 cebix 1.3 /* Track buffer */
40     extern unsigned char track_buf[MAX_SECTORS * SECTOR_SIZE];
41    
42 cebix 1.1
43     /* Bit rate for each speed zone */
44 cebix 1.2 extern const int bps[4];
45 cebix 1.1
46 cebix 1.2
47     /* Drive number */
48     extern int drive_num;
49    
50     /* Actual RPM of the drive, and whether it's 40 or 80 tracks */
51     extern int drive_rpm;
52     extern int drive_40tracks;
53    
54     /* Name of file to read from/write to */
55     extern const char *file_name;
56    
57    
58     /* Catweasel controller struct */
59     extern catweasel_contr c;
60    
61 cebix 1.1
62     /* Clock table (nominal number of Catweasel clocks per inter-flux-change gap) */
63 cebix 1.2 extern int clock_table[4];
64 cebix 1.1
65     /* Threshold table */
66 cebix 1.2 extern int thresh_table[3];
67    
68 cebix 1.1
69 cebix 1.2 /*
70     * Parse command line arguments and set
71     * c.iobase
72     * c.type
73     * drive_num
74     * drive_rpm
75     * drive_40tracks
76     * file_name
77     * Also initializes the catweasel_contr struct
78     */
79     extern void parse_args(int argc, char **argv);
80    
81     /* Obtain access to I/O ports */
82     extern void ioport_access(void);
83 cebix 1.3
84     /* Delay specified number of milliseconds */
85     extern void msdelay(int ms);
86    
87     /* Select disk format */
88     extern void select_format(int type);
89    
90     /* Seek to given CBM track (1..35) and select correct side and speed zone */
91     extern void seek_to(int drive, int track);
92 cebix 1.1
93 cebix 1.2 /* Start drive */
94     extern void start_drive(int drive);
95 cebix 1.1
96 cebix 1.2 /* Stop drive */
97     extern void stop_drive(int drive);
98 cebix 1.1
99     #endif