diff options
Diffstat (limited to 'src/lib/formats/afs_dsk.cpp')
-rw-r--r-- | src/lib/formats/afs_dsk.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/lib/formats/afs_dsk.cpp b/src/lib/formats/afs_dsk.cpp new file mode 100644 index 00000000000..5e1ff5aa66c --- /dev/null +++ b/src/lib/formats/afs_dsk.cpp @@ -0,0 +1,60 @@ +// license:GPL-2.0+ +// copyright-holders:Nigel Barnes +/*************************************************************************** + + Acorn FileStore + + Disk image formats + +***************************************************************************/ + +#include "afs_dsk.h" + + +afs_format::afs_format() : wd177x_format(formats) +{ +} + +const char *afs_format::name() const +{ + return "afs"; +} + +const char *afs_format::description() const +{ + return "Acorn FileStore disk image"; +} + +const char *afs_format::extensions() const +{ + return "adl,img"; +} + +int afs_format::identify(io_generic *io, UINT32 form_factor) +{ + int type = find_size(io, form_factor); + + if (type != -1) + return 50; + return 0; +} + +int afs_format::get_image_offset(const format &f, int head, int track) +{ + if (f.sector_base_id == -1) + return (track * f.head_count + head) * compute_track_size(f); + else + return (f.track_count * head + track) * compute_track_size(f); +} + +const afs_format::format afs_format::formats[] = +{ + { // 640K 3 1/2 inch 80 track double sided double density (interleaved) - gaps unverified + floppy_image::FF_35, floppy_image::DSQD, floppy_image::MFM, + 2000, 16, 80, 2, 256, {}, -1, { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 }, 60, 22, 43 + }, + {} +}; + + +const floppy_format_type FLOPPY_AFS_FORMAT = &floppy_image_format_creator<afs_format>; |