At 12:55 PM 1/16/98 -0500, you wrote:
>Hello everyone,
>        I am thinking of builing and a eprom programmer. I was wondering if
>anyone knows how to write to and read from the serial and parallel
>ports. I know they are memory addressed. Any example could would also be
>nice.

I think you could learn a lot about this from reading our App Note: Device
Control via the PC.  It has code examples for writing to the serial port.
It is intended for use with our EDE300 PC Interface IC, but you can learn a
lot of general information from it also.  In the 'Integrated Circuits'
section under EDE300 at:  http://www.elabinc.com


-Todd Peterson
 E-Lab Digital Engineering, Inc.

http://www.elabinc.com