The r command pops the top return stack
address of the local subroutine from the stack, causing the next return
command to return to the address revealed by the pop.
Syntax
{flash.routine.name:} r
Note: flash.routine.name can only be
specified if the program has been optimized through the FlashBASIC
compiler. When flash.routine.name is specified,
the corresponding debugger command is executed
against the specified routine. The colon separating flash.routine.name and the debugger command is required.