diff options
Diffstat (limited to 'src/lib/formats/dsk_dsk.cpp')
-rw-r--r-- | src/lib/formats/dsk_dsk.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/lib/formats/dsk_dsk.cpp b/src/lib/formats/dsk_dsk.cpp index c90579b68d0..e21598eaf36 100644 --- a/src/lib/formats/dsk_dsk.cpp +++ b/src/lib/formats/dsk_dsk.cpp @@ -365,7 +365,22 @@ bool dsk_format::load(io_generic *io, uint32_t form_factor, floppy_image *image) int img_tracks, img_heads; image->get_maximal_geometry(img_tracks, img_heads); - if (tracks > img_tracks || heads > img_heads) + if (tracks > img_tracks) + { + if (tracks - img_tracks > DUMP_THRESHOLD) + { + osd_printf_error("dsk: Floppy disk has too many tracks for this drive (floppy tracks=%d, drive tracks=%d).\n", tracks, img_tracks); + return false; + } + else + { + // Some dumps has a few excess tracks to be safe, + // lets be nice and just skip those tracks + osd_printf_warning("dsk: Floppy disk has a slight excess of tracks for this drive that will be discarded (floppy tracks=%d, drive tracks=%d).\n", tracks, img_tracks); + tracks = img_tracks; + } + } + if (heads > img_heads) return false; uint64_t track_offsets[84*2]; |