FLOS return messages


When a program returns to FLOS with a value in A other than zero (and the zero flag is not set) one of the following messages will be displayed:



$01 - Volume Full
$02 - File Not Found
$03 - Dir Full
$04 - Not A Dir
$05 - Dir Is Not Empty
$06 - Not A File
$07 - File Length Is Zero
$08 - Address out of Range
$09 - Filename Already Exists
$0a - Already at root
$0b - Unknown command
$0c - Invalid Hex
$0d - No filename
$0e - Invalid Volume
$0f - Checksum bad
$10 - Space Bytes Loaded
$11 - Comms error
$12 - Bad arguments
$13 - Not FAT16
$14 - Serial time out
$15 - Filename too long
$16 - No start address
$17 - No file length
$18 - Save aborted
$19 - Save error at destination
$1a - Bank ** selected
$1b - Data after EOF request
$1c - No end address
$1d - No destination address
$1e - Bad range
$1f - Missing arguments
$20 - OK
$21 - Invalid bank
$22 - Device not present
$23 - Dir not found
$24 - End of Dir
$25 - Filename mismatch
$26 - OS RAM protected)
$27 - "?"
$28 - No Volumes
$29 - None Found
$2a - Receive Aborted
$2b - Envar not found
$2c - Envar file full
$2d - Aborted
$2e - No MBR

$80-$f0 - Silent errors: No message is shown, but the error code sets the ERR envar.