Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!husc6!panda!genrad!decvax!mcnc!ecsvax!ranger From: ranger@ecsvax.UUCP (Rick N. Fincher) Newsgroups: comp.sys.apple Subject: Re: SOS-ProDOS compatability Message-ID: <2409@ecsvax.UUCP> Date: Mon, 1-Dec-86 09:40:12 EST Article-I.D.: ecsvax.2409 Posted: Mon Dec 1 09:40:12 1986 Date-Received: Tue, 2-Dec-86 03:28:40 EST References: <8611102040.AA04271@ucbvax.Berkeley.EDU> <1003@cxsea.UUCP> Organization: UNC Educational Computing Service Lines: 7 Summary: How did they do it? I've often wondered how Apple implemented the memory on the Apple III. I know it used a 6502 and could use 128 or 256K how did they do this? was addressing handled by SOS or hardware add-ons or both? Rick Fincher ranger@ecsvax