This seems to be right, per http://wiki.defence-force.org/doku.php?id=oric:hardware:floppy_disk_controller_wd1793
This seems to be right, per http://wiki.defence-force.org/doku.php?id=oric:hardware:floppy_disk_controller_wd1793

TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK