Atari XL - Page 234

222 The Afar; XL Handbook
167 FILE LOCKED
An attempt was made to access a locked file.
168 INV ALIDDEVICE COMMAND
An illegal device command was used.
169 DIRECTORY
No more than 64 files can exist on one disk.
170 FILENO'rFOUND
An attempt has been made to access a file which is
not on the disk.
171 POINT INVALID
Incorrect use of POINT command - an attempt has
been made to use the POINT command with an
incorrectly opened file.
172 ILLEGAL APPEND
The wrong DOS has been used to append a file.
173
BAD FORMAT
Bad sectors have been found on the disk while
formatting - discard the disk.