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1. Set the status of the main interpreter
   ENVSTAT Status
2. Get the status of the main interpreter
   ENVSTAT()
3. Get the status of the main interpreter
   ENVSTAT OUT Status,ExecutionSlot,EditSlot
4. Get the status of the main interpreter
   ENVSTAT OUT Status,ErrorNumber,ErrorArgumentNumber,ErrorSlot,ErrorCharacterPosition,ErrorLine

1. Set the status of the main interpreter

ENVSTAT Status

・This command has meaning only within subprograms. Nothing happens when used from the main program or direct mode.

Argument

Status

Main interpreter status to be set

・Only 0 can be specified.
・It is not set when the current status is 3 or 4.

2. Get the status of the main interpreter

ENVSTAT()

Return Value

3. Get the status of the main interpreter

ENVSTAT OUT Status,ExecutionSlot,EditSlot

Return Value

Status

ExecutionSlot

Current execution slot

EditSlot

Current edit slot

4. Get the status of the main interpreter

ENVSTAT OUT Status,ErrorNumber,ErrorArgumentNumber,ErrorSlot,ErrorCharacterPosition,ErrorLine

Return Value

Status

ErrorNumber

If an error has occurred, a value other than 0 is returned.

ErrorArgumentNumber

If the argument that occurred when the error occurred is known, a positive value is returned.

ErrorSlot

If an error has occurred, the program slot that occurred is returned.

ErrorCharacterPosition

If an error has occurred, the character position from the beginning of the generated source code is returned.

ErrorLine

If an error has occurred, the line number in the source code that occurred is returned.