michael1@ihlpm.UUCP (pula) (06/13/85)
And now for something completely different ... Well maybe slightly different. I am working with some custom boards for the IBM PC/XT which require extensive I/O. I would like to implement some interrupt routines for the PC which will signal when data is waiting to be received or need to be transmitted. Actually, I just need to look at a few memory locations and determine what needs to be done via the contents at those locations. My question and PLEA FOR HELP is this: I could poll those addresses and check for certain conditions or I can (would like to) write interrupt service routines. How do I assign interrupt vectors on the PC (DOS 3.0) so that when certain conditions occur, my program will be interrupted? I would like to implement this as soon as possible so any help would be appreciated. Replies to myself or the net are OK. I will summarize the responses however and repost them. Thanks in advance! -mike- ihnp4!ihlpm!michael1