Extensive ScrollDC investigation

[Kuba Ober]

On Monday 30 April 2007, Aric Stewart wrote:
> I do a scanf() inside of DRAW_CHECK so that you can look at the scroll
> results and hit enter in the console to go on.
>
> If that is not good I can change or even remove the DRAW_CHECK but when
> i was comparing the results it was handy to be able to have the test pause.

Do the check programmatically - grab the bitmaps and do proper bit-by-bit 
comparisons.

The tests are meant to be automatic and run without supervision.

Cheers, Kuba