ON KEY

Function

ON KEY specifies a routine to be executed when a soft key or cursor control key is pressed during program execution.

Syntax

ON KEY (n) GOSUB line number

Examples

ON KEY(1) GOSUB 5000

If function key 1 is pressed the program will execute the subroutine located at line 5000.

Remarks

For a definition of n and details of using this function see the KEY(n) statement. Line number specifies the trap routine, which must be terminated with a RETURN.