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// license:BSD-3-Clause
// copyright-holders:MetalliC
/*********************************************************************
formats/sdd_dsk.cpp
Speccy-DOS SDD disk images
*********************************************************************/
#include "formats/sdd_dsk.h"
#include "ioprocs.h"
sdd_format::sdd_format() : wd177x_format(formats)
{
}
const char *sdd_format::name() const noexcept
{
return "sdd";
}
const char *sdd_format::description() const noexcept
{
return "SDD floppy disk image";
}
const char *sdd_format::extensions() const noexcept
{
return "sdd";
}
int sdd_format::get_image_offset(const format &f, int head, int track) const
{
return (f.track_count * head + track) * compute_track_size(f);
}
const sdd_format::format sdd_format::formats[] = {
{ // 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, {1,12,7,2,13,8,3,14,9,4,15,10,5,16,11,6}, 60, 22, 24
},
{ // 5"25 140K 35 track single sided double density
floppy_image::FF_525, floppy_image::SSDD, floppy_image::MFM,
2000, 16, 35, 1, 256, {}, -1, {1,12,7,2,13,8,3,14,9,4,15,10,5,16,11,6}, 60, 22, 24
},
{ // 5"25 400K 80 track double sided single density
floppy_image::FF_525, floppy_image::DSQD, floppy_image::FM,
4000, 10, 80, 2, 256, {}, -1, {1,8,5,2,9,6,3,10,7,4}, 40, 11, 10
},
{ // 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, {1,12,7,2,13,8,3,14,9,4,15,10,5,16,11,6}, 60, 22, 24
},
{ // 3'5 400K 80 track double sided single density
floppy_image::FF_35, floppy_image::DSDD, floppy_image::FM,
4000, 10, 80, 2, 256, {}, -1, {1,8,5,2,9,6,3,10,7,4}, 40, 11, 10
},
{}
};
const sdd_format FLOPPY_SDD_FORMAT;
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