Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!bloom-beacon!mintaka!ogicse!uwm.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!lll-winken!decwrl!nsc!pyramid!cbmvax!bbaker From: bbaker@cbmvax.commodore.com (Bob Baker - Product Assurance) Newsgroups: comp.sys.amiga.tech Subject: Re: 32-bit Ram & Instruction Lengths. Message-ID: <10136@cbmvax.commodore.com> Date: 13 Mar 90 14:54:52 GMT References: <223.25fd1cf8@waikato.ac.nz> Reply-To: bbaker@cbmvax (Bob Baker - Product Assurance) Organization: Commodore, West Chester, PA Lines: 14 In article <223.25fd1cf8@waikato.ac.nz> hamish@waikato.ac.nz writes: > I quote from the official motorola MC68010/MC68012 16-/32 bit Virtual > Memory Microprocessors Advance Information manulal, May 1985. > > "Instructions are from one to five words in length...." > pg 2.4 > > This means that an instruction is anywhere from 2-10 bytes in length, > irrespective of the processor being used, (68008-68030, 020&030 might have > longer ones, but I doubt it.) Actually, if you include the floating point instructions then the maximum instruction length can go up to 8 WORDS (16 bytes) when using immediate operands!