Never mind. I found that once the debugger is openned, the value of SYS(2030) is reset to disabled. If I place in the watch window SYS(2030,1), I can step through the code.

>Hi All,
>
>I am writting some code for a intellisense routine. I know I need to issue a SYS(2030,1) command to allow me to enter into the debugger. This work fine. But when I attempt to step through code (F6 or F8), it ignores my request and completes the entire run of the code.
>
>Is there any way to step throught Intellisense code?