// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, R. Belmont
/*********************************************************************
ap2_dsk.h
Apple II disk images
*********************************************************************/
#ifndef MAME_FORMATS_AP2_DSK_H
#define MAME_FORMATS_AP2_DSK_H
#pragma once
#include "flopimg.h"
/***************************************************************************
Constants
***************************************************************************/
#define APPLE2_NIBBLE_SIZE 416
#define APPLE2_SMALL_NIBBLE_SIZE 374
#define APPLE2_STD_TRACK_COUNT 35
#define APPLE2_TRACK_COUNT 40
#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_t form_factor) override;
virtual bool load(io_generic *io, uint32_t 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_t gb(const uint8_t *buf, int ts, int &pos, int &wrap);
void update_chk(const uint8_t *data, int size, uint32_t &chk);
bool m_prodos_order;
int m_tracks;
};
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_t form_factor) override;
virtual bool load(io_generic *io, uint32_t 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_t gb(const uint8_t *buf, int ts, int &pos, int &wrap);
void update_chk(const uint8_t *data, int size, uint32_t &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_t form_factor) override;
virtual bool load(io_generic *io, uint32_t 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_t pick(const uint8_t *data, int pos);
};
extern const floppy_format_type FLOPPY_EDD_FORMAT;
class a2_woz_format : public floppy_image_format_t
{
public:
a2_woz_format();
virtual int identify(io_generic *io, uint32_t form_factor) override;
virtual bool load(io_generic *io, uint32_t 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 const uint8_t signature[8];
static const uint8_t signature2[8];
static uint32_t r32(const std::vector<uint8_t> &data, uint32_t offset);
static uint16_t r16(const std::vector<uint8_t> &data, uint32_t offset);
static uint8_t r8(const std::vector<uint8_t> &data, uint32_t offset);
static uint32_t crc32r(const uint8_t *data, uint32_t size);
static uint32_t find_tag(const std::vector<uint8_t> &data, uint32_t tag);
};
extern const floppy_format_type FLOPPY_WOZ_FORMAT;
#endif // MAME_FORMATS_AP2_DSK_H