HP 3000 Manuals

HP Business BASIC/XL Reference Manual

CURKEY 

The CURKEY function returns the integer value of the last
branch-during-input key pressed.  If the value returned is 0, then no
branch-during-input keys have been pressed during the execution of the
program.  The value returned representing a key is in the range [1, 8].

Syntax 

CURKEY

Example 

     100 PRINT CURKEY               !Prints the value of the last branch-during-input
     105                            !key pressed.
     110 IF CURKEY > 0 THEN ENABLE  !If a branch-during-input key was pressed,
     115                            !then the branch occurs.

MPE/iX 5.0 Documentation