On Tue, 14 Sep 1999, Thomas Stewart wrote:
> Hi all
> I have now got the bones of a optimzed hline for a herc card done.
>
> 1. I have to get rid of those nasty bugs.
>
> 2. How do I write to bytes to memory correctly. The origanal drawpixel uses
> a pixel value c as well as the x and y cords. And therefor the hline uses
> this c as well.
>
> It does:-
> if(c)
> ORBYTE_FP(dst, mask);
> else ANDBYTE_FP(dst, ~mask);
>
> What is the pixelvaue "c" for? Who gave greg that code? Greg?
>
> 3.um...I am quite pleased I got this far, because I am new to all this.
I gave him some code.
Only laziness (commonly known as lack of time)
has stopped me from doing that optimized hline myself,
since I have some examples in asm in a book.
I will try to remember mailing you what info I have when I get
home later tonight. (GMT + 1)
> Get Your Private, Free Email at http://www.hotmail.com
(Not so private... :-)
Kind regards,
Jakob Eriksson
