At 09:08 AM 12/17/96 +0100, you wrote:

<snip>
>>When entire frame is stored at high speed - then transmit it at low speed
>>during the parallel port.
>
>I'm not sure how fast it will be possible to transmit data over the parallell
>port, anybody knows?
>
>I've been using the parallell port for different things earlier, but that
was on
>an old PC, and the port was not bidirectional.
>To write a byte on the port I used the function outportb(port,data) in C.
>My current PC has a bidirectional port, but I don't know how to read it.
>Is there some kind of direction bit I can set from my C program so that I can
>use the inportb function?
>
>-Oyvind

Try Jan Axelson's Page.  She has written a few books on Embedded
Control using the 8052 Basic chip.  She also has written books
on Parallel printer ports.  Good FAQ's there as well.

www.lvr.com
LVR Stands for Lake View Research(Her company).

Brent