At 14:32 10/01/99 -0500, you wrote: >My son and I want to hook a 16C74A to a PC through the serial port. We >are looking for a hookup diagram, C code for the PC and assembly code >for the 16C74A. Can anyone kindly tell us where to look? There is a software driven uart in asm here. http://www.wirz.com It is part of the SLI-OEM documentation. You may need to define timer3 as it was missing when I downloaded it. Told Ben and he may have it fixed now. Jim -------------------------------------------------------- Jim Robertson Email: newfound@pipeline.com.au http://www.pipeline.com.au/users/newfound --------------------------------------------------------