apple2ix/src/disk.h

/*
 * Apple // emulator for Linux: Defines for Disk ][ emulation
 *
 * Copyright 1994 Alexander Jean-Claude Bottema
 * Copyright 1995 Stephen Lee
 * Copyright 1997, 1998 Aaron Culliney
 * Copyright 1998, 1999, 2000 Michael Deutschmann
 *
 * This software package is subject to the GNU General Public License
 * version 2 or later (your choice) as published by the Free Software
 * Foundation.
 *
 * THERE ARE NO WARRANTIES WHATSOEVER.
 *
 */

#ifndef A2_DISK_H
#define A2_DISK_H

#include "common.h"

struct diskette {
    char file_name[1024];
    bool compressed;
    bool nibblized;
    bool is_protected;
    bool phase_change;
    int sector;
    long file_size;
    int phase;
    int run_byte;
    FILE *fp;
    int file_pos;
};

struct drive {
    int motor;
    int drive;
    int ddrw;
    int disk_byte;
    int volume;
    int checksum;
    int exor_value;
    unsigned char disk_data[258];
    struct diskette disk[2];
};

extern struct drive disk6;

void c_init_6(void);
const char *c_new_diskette_6(int drive, const char * const file_name, int force);
const char *c_eject_6(int drive);
void disk_io_initialize(unsigned int slot);

void disk_read_nop(void),
disk_read_phase(void),
disk_read_motor_off(void),
disk_read_motor_on(void),
disk_read_select_a(void),
disk_read_select_b(void),
disk_read_byte(void),
disk_read_latch(void),
disk_write_latch(void),
disk_read_prepare_in(void),
disk_read_prepare_out(void);

#ifdef TESTING
void c_begin_disk_trace_6(const char *read_file, const char *write_file);
void c_end_disk_trace_6(void);
#endif

#endif