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// license:BSD-3-Clause
// copyright-holders:MetalliC
/*********************************************************************
formats/swd_dsk.c
Swift Disc disk images
*********************************************************************/
#include <cassert>
#include "formats/swd_dsk.h"
swd_format::swd_format() : wd177x_format(formats)
{
}
const char *swd_format::name() const
{
return "swd";
}
const char *swd_format::description() const
{
return "SWD floppy disk image";
}
const char *swd_format::extensions() const
{
return "swd";
}
int swd_format::get_image_offset(const format &f, int head, int track)
{
return (f.track_count * head + track) * compute_track_size(f);
}
const swd_format::format swd_format::formats[] = {
// note: original formatted disks use side# 1/2 instead of usual 0/1
{ // 3'5 640K 80 track double sided double density
floppy_image::FF_35, floppy_image::DSDD, floppy_image::MFM,
2000, 16, 80, 2, 256, {}, 1, {}, 60, 22, 56
},
{ // 5"25 640K 80 track double sided double density
floppy_image::FF_525, floppy_image::DSQD, floppy_image::MFM,
2000, 16, 80, 2, 256, {}, 1, {}, 60, 22, 56
},
{}
};
const floppy_format_type FLOPPY_SWD_FORMAT = &floppy_image_format_creator<swd_format>;
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