From Greg Wildman:

From Greg Wildman:

Patch attached to detect Diversi DOS and fix the 2MG ProDOS block size.

$ file *
4live-v4.0.dsk:              Apple Diversi Dos Image, Volume 254, 35 Tracks, \
    16 Sectors, 256 bytes per sector
anti-m-v1.5-2019-06-11.dsk:  data
Passport.20190616.dsk:       Apple ProDOS Image, Volume /PASSPORT, 280 Blocks
Pitch-Dark-20180731.2mg:     Apple ][ 2IMG Disk Image, CiderPress, \
    ProDOS sector order, Volume /PITCH.DARK, 65535 Blocks
Total Replay revision 1.2mg: Apple ][ 2IMG Disk Image, Brutal Deluxe's \
    Cadius, ProDOS sector order, Volume /A.4AM.PACK, 65532 Blocks
Total Replay v2.0.2mg:       Apple ][ 2IMG Disk Image, CiderPress, \
    ProDOS sector order, Volume /A.4AM.PACK, 65535 Blocks