diff options
Diffstat (limited to 'src/lib/formats/jvc_dsk.cpp')
-rw-r--r-- | src/lib/formats/jvc_dsk.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lib/formats/jvc_dsk.cpp b/src/lib/formats/jvc_dsk.cpp index 4d88e65cdce..f06fda850b2 100644 --- a/src/lib/formats/jvc_dsk.cpp +++ b/src/lib/formats/jvc_dsk.cpp @@ -135,7 +135,7 @@ bool jvc_format::parse_header(util::random_read &io, int &header_size, int &trac // The JVC format has a header whose size is the size of the image modulo 256. Currently, we only // handle up to five header bytes uint64_t size; - if (io.length(size)) + if (io.length(size) || !size) return false; header_size = size % 256; uint8_t header[5]; @@ -178,7 +178,7 @@ bool jvc_format::parse_header(util::random_read &io, int &header_size, int &trac int jvc_format::identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const { int header_size, tracks, heads, sectors, sector_size, sector_base_id; - return parse_header(io, header_size, tracks, heads, sectors, sector_size, sector_base_id) ? 50 : 0; + return parse_header(io, header_size, tracks, heads, sectors, sector_size, sector_base_id) ? FIFID_STRUCT|FIFID_SIZE : 0; } bool jvc_format::load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image) const |