Error Messages

The following are operating system error messages which can occur in DEMOS:

Syntax

Due to:-

  1. Missing '=' between 2 filenames in REN
  2. Missing nuntoer of 128 byte blocks in SAVE
  3. Missing space between byte block number and name in SAVE
  4. Missing number of 128 byte blocks in INP
  5. Missing space between byte block number and name in INP
  6. Missing number of 256 byte blocks in SEND
  7. Missing CR immediately after the filename in SEND

No File

Due to:-

  1. Missing file name in EDIT
  2. The file does not exist in ERA
  3. The old file name does not exist in REN
  4. The Basic file does not exist when trying to load and run the file from DEMOS
  5. No files in the HUNTER when enter STAT .
  6. .COM file does not exist when name is entered

Bad Name

Whenever an invalid file name format is specified.

Memory Overflow

Due to:-

  1. The text equivalent of a basic tokenised file exceeding the available space in Ram page 0.
  2. Excess number of 128 byte blocks in SAVE
  3. Excess number of 256 byte blocks in SEND

Aborted

Due to:-

Pressing the ESC key when the HUNTER is executing TYPE or INP

Disk Full

At any time when trying to write to a file when there is no space remaining in the file space.

Disk Error

Due to a file having been corrupted, e.g. an incorrect checksum for the file.