Systems
Systems

Systems

This section contain miscellaneous systems interface functions. Here’s a quick list of these commands:
ISERROR
Returns a non-zero value if there is an internal error set in the printer.
ISWARNING
Returns a non-zero value if there is an internal warning set in the printer.
SLEEP
Specifies the time that the interpreter pauses.
SETERR
Sends a message to the printer to set the error flag.
CLRERR
Sends a message to the printer to clear the error flag.
ON ERROR
Prevents a program from halting in the event of an error.