The ? command displays the current program name and line number.
?
run bp conv (d *E1 *? *? conv L 1 object verifies.
where conv is the name of the program being executed and L 1 indicates that line one of the program is about to be executed.
If the conv program had been flashed (compiled with the o option), the message produced by the ? command is:
*? conv L 1 FlashBASIC object verifies.