Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!ut-sally!utah-cs!utah-gr!uplherc!nrc-ut!caeco!john From: john@caeco.UUCP (John Rigby) Newsgroups: comp.arch,comp.lang.forth,comp.lang.misc Subject: Re: The winner! Message-ID: <178@caeco.UUCP> Date: Mon, 27-Jul-87 17:34:54 EDT Article-I.D.: caeco.178 Posted: Mon Jul 27 17:34:54 1987 Date-Received: Sat, 1-Aug-87 00:42:30 EDT References: <798@usfvax2.UUCP> Organization: CAECO Inc., Salt Lake City, Utah Lines: 20 Xref: mnetor comp.arch:1724 comp.lang.forth:147 comp.lang.misc:588 in article <798@usfvax2.UUCP>, chips@usfvax2.UUCP (Chip Salzenberg) says: >> >> jmp *(IP)+ >> >> That is, jump to the location addressed by the contents of the >> word addressed by the contents of IP, and bump IP by one word. > > Yes, this is equivalent to the 6809's "JMP [,Y++]" instruction. I was > severely disappointed by the 68000 architecture's lack of memory indirection. How about this: rts Or in other words memory indirect through sp with post increment. Of course you can't do jsr's or handle interrupts on the same stack. John Rigby Caeco Inc. utah-cs!caeco!john