🚀 go-pugleaf

>I need to know what the format of the ST display memory is.  The Abacus
>Internals book gives a completely different discription than the Compute!'s
>VDI manual.  I tend to trust the Compute! publication more because it
>sounds a lot more reasonable and intelligent. (Let's talk low-res here)
>
>Compute!:  Each ADJACENT four BITS specify a number between 0 and 15
>           that represents the color register used to plot that pixel.
>Abacus:    Four contiguous memory WORDS specify the color of 16 pixels.
>           To set a pixel, one must set a bit in each of the four words.
>           "in order to set the point in the upper left-hand corner,
>           the topmost bits of words $78000 (assume screen memory starts
>           at 78000), $78002, $78004, and $78006 must be manipulated."
>
>Like I said, the Abacus method doesn't sound very logical.
>Which method is actually used?

The less reasonable and intelligent method has been used
(to keep the hardware simpler and/or faster, I believe). 

Natuerlich!
--------------------------------------------------------------
Loveletters & Hatemail to : wallman@yalecs     
                 Files to : WALLMANN@CTSTATEU  (Bitnet)
--------------------------------------------------------------