// license:BSD-3-Clause // copyright-holders:MetalliC /********************************************************************* formats/sdd_dsk.c Speccy-DOS SDD disk images *********************************************************************/ #include #include "formats/sdd_dsk.h" sdd_format::sdd_format() : wd177x_format(formats) { } const char *sdd_format::name() const { return "sdd"; } const char *sdd_format::description() const { return "SDD floppy disk image"; } const char *sdd_format::extensions() const { return "sdd"; } int sdd_format::get_image_offset(const format &f, int head, int track) { 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 floppy_format_type FLOPPY_SDD_FORMAT = &floppy_image_format_creator;