diff options
Diffstat (limited to 'src/lib/formats/sdd_dsk.cpp')
-rw-r--r-- | src/lib/formats/sdd_dsk.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/lib/formats/sdd_dsk.cpp b/src/lib/formats/sdd_dsk.cpp new file mode 100644 index 00000000000..5159cd6e2bc --- /dev/null +++ b/src/lib/formats/sdd_dsk.cpp @@ -0,0 +1,59 @@ +// license:BSD-3-Clause +// copyright-holders:MetalliC +/********************************************************************* + + formats/sdd_dsk.c + + Speccy-DOS SDD disk images + +*********************************************************************/ + +#include <cassert> + +#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 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<sdd_format>; |