Jon Relay's Apple II Info Archives
ProDOS MLI Error Codes
$00 - No Error
$01 - Bad Call Number
$04 - Bad Parameter Count
$25 - Interrupt Table Full
$27 - I/O Error
$28 - No Device Connected
$2B - Write Protected
$2E - Disk Switched
$40 - Invalid Pathname
$42 - Maximum Number of Files Open
$43 - Invalid Reference Number
$44 - Directory Not Found
$45 - Volume Not Found
$46 - File Not Found
$47 - Duplicate File Name
$48 - Volume Full
$49 - Directory Full
$4A - Incompatible File Format
$4B - Unsupported Storage Type
$4C - End of File, No More Data
$4D - Position Out of Range (Beyond EOF)
$4E - File Access Error, File Locked
$50 - File Already Open
$51 - Directory Structure Damaged (Oops!)
$53 - Invalid Parameter
$55 - Volume Control Block Table Full (Too Many Volumes)
$56 - Bad Buffer Address
$57 - Duplicate Volume
$5A - File Structure Damaged
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