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77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/*
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* Apple // emulator for Linux: Defines for Disk ][ emulation
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*
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* Copyright 1994 Alexander Jean-Claude Bottema
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* Copyright 1995 Stephen Lee
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* Copyright 1997, 1998 Aaron Culliney
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* Copyright 1998, 1999, 2000 Michael Deutschmann
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*
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* This software package is subject to the GNU General Public License
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* version 2 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* THERE ARE NO WARRANTIES WHATSOEVER.
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*
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*/
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#ifndef A2_DISK_H
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#define A2_DISK_H
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#include "common.h"
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#define DSK_SIZE 143360
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#define NIB_SIZE 232960
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#define NI2_SIZE 223440
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#define NUM_TRACKS 35
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#define NUM_SECTORS 16
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#define DSK_TRACK_SIZE 0x1000 // DOS order, ProDOS order
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#define NIB_TRACK_SIZE 0x1A00 // NIB format
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#define NI2_TRACK_SIZE 0x18F0 // NI2 format
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#define PHASE_BYTES (NIB_TRACK_SIZE/2)
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#define NIB_SEC_SIZE (NIB_TRACK_SIZE/NUM_SECTORS)
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#define DSK_VOLUME 254
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typedef struct diskette_t {
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uint8_t track_image[NIB_TRACK_SIZE];
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char file_name[1024];
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bool nibblized;
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bool is_protected;
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bool track_valid;
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bool track_dirty;
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int *skew_table;
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int sector;
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long nib_count;
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int phase;
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int run_byte;
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FILE *fp;
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} diskette_t;
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typedef struct drive_t {
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struct timespec motor_time;
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int motor_off;
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int drive;
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int ddrw;
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int disk_byte;
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int exor_value;
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diskette_t disk[2];
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} drive_t;
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extern drive_t disk6;
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void c_init_6(void);
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const char *c_new_diskette_6(int drive, const char * const file_name, int force);
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const char *c_eject_6(int drive);
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void disk_io_initialize(unsigned int slot);
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#if DISK_TRACING
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void c_toggle_disk_trace_6(const char *read_file, const char *write_file);
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void c_begin_disk_trace_6(const char *read_file, const char *write_file);
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void c_end_disk_trace_6(void);
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#endif
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#endif
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