Commodore 1581 - Page 126

blocks left, you have too many separate files in your directory,
and will need to combine some, delete any that are no longer
needed, or copy some to another diskette.
74: DRIVE NOT READY
An attempt has been made to access the 1581 single disk without
a formatted diskette in place. Blank diskettes cannot be used until
they have been formatted.
75: FORMAT ERROR
76: CONTROLLER ERROR
The floppy disk controller IC (WD177x) is not functioning prop
erly.
77: SELECTED PARTITION ILLEGAL
An attempt has been made to select a partition that does not meet
the criteria of a directory partition.
117