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echo: 80xxx
to: CHRISTIAN IVERSEN
from: SCOTT MCNAY
date: 1997-12-20 23:44:00
subject: Direct memory access (not dma)

 *** Christian Iversen wrote in a message to All:
CI> Is anyone here able tell me how to make direct access to the
CI> memory?? I'm very new to assembler so a hints would
CI> certainly be very appreciated. 
CI> Is it possible at all under Win95 (I am planning fast
CI> graphics for the Winslows)
You'll have to be more specific; ALL programs use memory, except for a few 
trivial COM files.
If you mean graphics memory, well, under DOS, the answer is yes.  Under 
Win95, I'm not sure, but the answer is probably yes, although a Win95 
programmer could answer that better.
CI> I also like to know which of the following is the quickest :
CI> IF thing1 > 0;
CI> IF Not thing1 = 0;
These two are not equivalent, you know.  But, to answer the question, in 
assembler these would be the same speed, other things being equal.
CI> or is there some other way??
CI> I am using it for a transparent filtering procedure. All
CI> black should be "invisible" (or any other color)
CI> What is this talk about some drivers (I think it was
CI> drivers) for Windows That helped you use the screen (fast,
CI> if not direct)
CI> Any ideas??
CI> Anyone (or anybody ;) .
CI> ___ Terminate 4.00
CI>  - Origin: The NEW Terminate will -=> FAX <=- almost
CI> anything! (2:238/52.112) 
--Scott.
--- timEd 1.01
---------------
* Origin: Wizard's, 254-554-2146, Abacus PLUS, 903-3097 (1:395/11)

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