diff options
Diffstat (limited to 'src/lib/formats/swd_dsk.cpp')
-rw-r--r-- | src/lib/formats/swd_dsk.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib/formats/swd_dsk.cpp b/src/lib/formats/swd_dsk.cpp new file mode 100644 index 00000000000..637c2bf816d --- /dev/null +++ b/src/lib/formats/swd_dsk.cpp @@ -0,0 +1,52 @@ +// 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>; |