mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-06-10 13:29:42 +00:00
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
|
|
DingusPPC - The Experimental PowerPC Macintosh emulator
|
|
Copyright (C) 2018-22 divingkatae and maximum
|
|
(theweirdo) spatium
|
|
|
|
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
|
|
|
|
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 3 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, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** @file Definitions for working with various floppy images. */
|
|
|
|
#ifndef FLOPPY_IMG_H
|
|
#define FLOPPY_IMG_H
|
|
|
|
#include <cinttypes>
|
|
#include <string>
|
|
|
|
#define BLOCK_SIZE 512 // size in bytes of a logical block
|
|
|
|
#define MFM_HD_SIZE (BLOCK_SIZE*2880) // maximal size of a high-density floppy
|
|
|
|
/** Floppy image types. */
|
|
enum class FlopImgType {
|
|
RAW, // raw image without metadata or low-level formatting
|
|
DC42, // Disk Copy 4.2 image
|
|
WOZ1, // WOZ v1 image with metadata and low-level data retained
|
|
WOZ2, // WOZ v2 image with metadata and low-level data retained
|
|
UNKNOWN, // invalid/unknown image format
|
|
};
|
|
|
|
/** Interface for floppy image converters. */
|
|
class FloppyImgConverter {
|
|
public:
|
|
FloppyImgConverter() = default;
|
|
virtual ~FloppyImgConverter() = default;
|
|
|
|
virtual int calc_phys_params(void) = 0;
|
|
virtual int get_raw_disk_data(char* buf) = 0;
|
|
virtual int export_data(void) = 0;
|
|
|
|
int get_data_size() { return this->data_size; };
|
|
int get_disk_rec_method() { return this->rec_method; };
|
|
int get_number_of_tracks() { return this->num_tracks; };
|
|
int get_number_of_sides() { return this->num_sides; };
|
|
int get_sectors_per_side() { return this->num_sectors; };
|
|
int get_rec_density() { return this->density; };
|
|
uint8_t get_format_byte() { return this->format_byte; };
|
|
|
|
protected:
|
|
std::string img_path;
|
|
int img_size;
|
|
int data_size; // disk data size without image format specific stuff
|
|
|
|
int rec_method;
|
|
int num_tracks;
|
|
int num_sides;
|
|
int num_sectors;
|
|
int density;
|
|
uint8_t format_byte; // GCR format byte from sector header
|
|
};
|
|
|
|
/** Converter for raw floppy images. */
|
|
class RawFloppyImg : public FloppyImgConverter {
|
|
public:
|
|
RawFloppyImg(std::string& file_path);
|
|
~RawFloppyImg() = default;
|
|
|
|
int calc_phys_params(void);
|
|
int get_raw_disk_data(char* buf);
|
|
int export_data(void);
|
|
};
|
|
|
|
/** Converter for Disk Copy 4.2 images. */
|
|
class DiskCopy42Img : public FloppyImgConverter {
|
|
public:
|
|
DiskCopy42Img(std::string& file_path);
|
|
~DiskCopy42Img() = default;
|
|
|
|
int calc_phys_params(void);
|
|
int get_raw_disk_data(char* buf);
|
|
int export_data(void);
|
|
};
|
|
|
|
extern FloppyImgConverter* open_floppy_image(std::string& img_path);
|
|
|
|
#endif // FLOPPY_IMG_H
|