Before Step
This will call a function before each step.
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This option allows you to calla function that you define, before each step
of the program is made. This function will be called when you RUN the
program, STEP the program and is called before the actual execution of the
code.

█▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ Before Step Definition ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█
█ Expression:
█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄█


You may wish to use this function when you have a graphics app that you are
debugging, this option could set be used to call a function that sets the
video mode back to the graphics mode that your program is expecting.

Whilst running in graphical mode you should have Force application into
80x25 window set to off.