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// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/*********************************************************************
formats/ppg_dsk.c
PPG Waveterm formats
*********************************************************************/
#include <cassert>
#include "formats/ppg_dsk.h"
ppg_format::ppg_format() : wd177x_format(formats)
{
}
const char *ppg_format::name() const
{
return "ppg";
}
const char *ppg_format::description() const
{
return "PPG Waveterm disk image";
}
const char *ppg_format::extensions() const
{
return "wta";
}
const ppg_format::format ppg_format::formats[] = {
// .dsk formats used by flexemu. gaps unverified.
{ floppy_image::FF_525, floppy_image::SSDD, floppy_image::MFM,
2000, 10, 35, 1, 256, {}, 1, {}, 32, 22, 31 },
{ floppy_image::FF_525, floppy_image::SSDD, floppy_image::MFM,
2000, 10, 40, 1, 256, {}, 1, {}, 32, 22, 31 },
{ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
2000, 10, 35, 2, 256, {}, 1, {}, 32, 22, 31 },
{ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
2000, 10, 40, 2, 256, {}, 1, {}, 32, 22, 31 },
{ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
2000, 20, 35, 2, 256, {}, 1, {}, 32, 2, 2 },
{ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
2000, 20, 40, 2, 256, {}, 1, {}, 32, 2, 2 },
// .wta format used by PPG Waveterm A transfer software. gaps unverified.
{ floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
2000, 16, 77, 2, 256, {}, 1, {}, 32, 22, 31 },
{}
};
void ppg_format::build_sector_description(const format &f, uint8_t *sectdata, desc_s *sectors, int track, int head) const
{
int cur_offset = 0;
for (int i=0; i<f.sector_count; i++) {
sectors[i].data = sectdata + cur_offset;
sectors[i].size = f.sector_base_size ? f.sector_base_size : f.per_sector_size[i];
cur_offset += sectors[i].size;
sectors[i].sector_id = i + f.sector_base_id + (head * f.sector_count);
}
}
const floppy_format_type FLOPPY_PPG_FORMAT = &floppy_image_format_creator<ppg_format>;
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