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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, R. Belmont
/*********************************************************************
ap2_dsk.h
Apple II disk images
*********************************************************************/
#ifndef AP2_DISK_H
#define AP2_DISK_H
#include "flopimg.h"
/***************************************************************************
Constants
***************************************************************************/
#define APPLE2_NIBBLE_SIZE 416
#define APPLE2_SMALL_NIBBLE_SIZE 374
#define APPLE2_TRACK_COUNT 35
#define APPLE2_SECTOR_COUNT 16
#define APPLE2_SECTOR_SIZE 256
/**************************************************************************/
LEGACY_FLOPPY_OPTIONS_EXTERN(apple2);
// new style code
class a2_16sect_format : public floppy_image_format_t
{
public:
a2_16sect_format();
virtual int identify(io_generic *io, UINT32 form_factor) override;
virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image) override;
virtual bool save(io_generic *io, floppy_image *image) override;
virtual const char *name() const override;
virtual const char *description() const override;
virtual const char *extensions() const override;
virtual bool supports_save() const override;
private:
static const desc_e mac_gcr[];
UINT8 gb(const UINT8 *buf, int ts, int &pos, int &wrap);
void update_chk(const UINT8 *data, int size, UINT32 &chk);
bool m_prodos_order;
};
extern const floppy_format_type FLOPPY_A216S_FORMAT;
class a2_rwts18_format : public floppy_image_format_t
{
public:
a2_rwts18_format();
virtual int identify(io_generic *io, UINT32 form_factor) override;
virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image) override;
virtual bool save(io_generic *io, floppy_image *image) override;
virtual const char *name() const override;
virtual const char *description() const override;
virtual const char *extensions() const override;
virtual bool supports_save() const override;
private:
static const desc_e mac_gcr[];
UINT8 gb(const UINT8 *buf, int ts, int &pos, int &wrap);
void update_chk(const UINT8 *data, int size, UINT32 &chk);
};
extern const floppy_format_type FLOPPY_RWTS18_FORMAT;
class a2_edd_format : public floppy_image_format_t
{
public:
a2_edd_format();
virtual int identify(io_generic *io, UINT32 form_factor) override;
virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image) override;
virtual bool supports_save() const override;
virtual const char *name() const override;
virtual const char *description() const override;
virtual const char *extensions() const override;
private:
static UINT8 pick(const UINT8 *data, int pos);
};
extern const floppy_format_type FLOPPY_EDD_FORMAT;
#endif /* AP2_DISK_H */
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