Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watmath!clyde!rutgers!sri-spam!mordor!styx!ptsfa!ihnp4!inuxc!pur-ee!uiucdcs!convex!bbimg!mikey From: mikey@bbimg.UUCP Newsgroups: comp.sys.ibm.pc Subject: Re: IBM ROM Format??? Message-ID: <-3977195@bbimg> Date: Mon, 27-Apr-87 11:30:00 EDT Article-I.D.: bbimg.-3977195 Posted: Mon Apr 27 11:30:00 1987 Date-Received: Fri, 1-May-87 04:48:32 EDT References: <4342@beta.UUCP> Lines: 11 Nf-ID: #R:beta.UUCP:4342:bbimg:-3977195:000:330 Nf-From: bbimg.UUCP!mikey Apr 27 10:30:00 1987 Just ADD all the bytes together and it should be modulo 100 to 00. I.e., what you said was correct. Remember that the POST enters the ROM via a FAR CALL and you must exit with a FAR RETURN. And don't forget about stack limitations and such. Mike Yetsko Boston's Beth Israel Hospital trsvax!techsup!bbimg!mikey