Commodore 128D User Manual page 360

25 WRITE ERROR (write-verify error)
This message is generated if the controller detects a
mismatch between the written data and the data in the
DOS memory.
26 WRITE PROTECT ON
This message is generated when the controller has been
requested to write a data block while the write protect
switch is depressed. This is caused by using a diskette
with a write protect tab over the notch or a notchless
diskette.
27 READ ERROR
This message is generated when a checksum error has
been detected in the header of the requested data
block. The block has not been read into DOS memory.
28 WRITE ERROR LJ
This error message is generated when a data block is
too long and overwrites the sync mark of the next ^ /
header. v—1
29 DISK ID MISMATCH
This message is generated when the controller has been w
requested to access a diskette which has not been ini
tialized or improperly formatted. The message can also s ,
occur if a diskette has a bad header. ^—I
30 SYNTAX ERROR (general syntax) ,- ~j
The DOS cannot interpret the command sent to the J—>
command channel. Typically, this is caused by an illegal
number of file names, or patterns are illegally used. For ,~ -(
example, two file names appear on the left side of the 2—\
COPY command.
31 SYNTAX ERROR (invalid command) LJ
The DOS does not recognize the command. The com
mand must start in the first position. —i
32 SYNTAX ERROR (invalid command)
The command sent is longer than 58 characters. Use
abbreviated disk commands.
33 SYNTAX ERROR (invalid file name)
Pattern matching is invalidly used in the OPEN or SAVE
command. Spell out the file name.
352 APPENDIX B-DOS Error Messages