Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!umriscc!maverick.ksu.ksu.edu!uafhp!uafcseg!bbs00049 From: bbs00049@uafcseg.uucp (Red Roger) Newsgroups: comp.sys.amiga.tech Subject: cia-b Message-ID: <5172@uafhp.uark.edu> Date: 30 Aug 90 09:48:10 GMT Sender: netnews@uafhp.uark.edu Organization: College of Engineering, University of Arkansas, Fayetteville Lines: 10 Hi i've seen some code that uses the ciab serial port set register. what is the real address of this register ?? bfd000 or bfd0fe - the reason i ask is that in the RKM h/w manual it says bfd000 yet this code works with it at bfd0fe any idea's regards red.