Split Screen
 This sets MrDebug to use Split Screen mode
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 This option will enable you to toggle split screen mode. Toggle this option
 to on, quit the application and re-run and MrDebug will use split screen
 mode i.e. 80x50 or 80x43

 Please Note: This option has no effect if the program starts in a better
 text mode i.e. 132x43, 50 or 60.

 Should you start in a better video mode than 80x50, and you have Force
 Application inot 80x25 window, then the application will have it's own
 window.