I tried that image and it does not have a format.com file downloaded from
https://glasstty.com/wiki/index.php/...5.QDDS.img.zip
and used the config line
board 0xe0 gm849_floppy -geometry 80.2.10.0.512 ~/beaver/disks/CPM_BIOS_35.QDDS.img
but the directory does not contain a format program. Can you check I have
the correct address and also send me the config. Thanks.