Path: utzoo!attcan!uunet!mcsun!ukc!axion!tharr!chris
From: chris@tharr.UUCP (Chris Allen)
Newsgroups: comp.sys.m68k
Subject: Re: Interpretation of 68000 Function Code Outputs
Message-ID: <1070@tharr.UUCP>
Date: 5 Oct 90 23:24:39 GMT
References: <1057@tharr.UUCP> <1990Oct3.160343.401@Neon.Stanford.EDU>
Reply-To: chris@tharr.UUCP (Chris Allen)
Organization: Power Microsystems Ltd
Lines: 30

In article <1990Oct3.160343.401@Neon.Stanford.EDU> kaufman@Neon.Stanford.EDU (Marc T. Kaufman) writes:
]In article <1057@tharr.UUCP> chris@tharr.UUCP (Chris Allen) writes:
]
]-Can anyone explain the interpretation of the function code
]-outputs on the 68000 (FC0-FC2). The manual says that they can
]-[....]
]-[.. some others which are not important]
]
]-What is the difference between program and data? 
]
]"Program" is instruction fetches.  Data is anything else.  

Many thanks both to you and to the many people who sent mail about this. I
have tried to reply but I expect that a lot of it will bounce :-(

]But I beg to differ
]with you about the unimportance of other codes.  In particular, FC7 is the
]interrupt acknowledge cycle.  You want to make sure all memory and IO
]addressing is turned off, especially if you have memory-mapped IO registers.

My apologies.. What I should have said was "some others which are not important
because I already know what they mean"! Thanks again for your help.

chris.

-- 
         chris@tharr.uucp  ..!ukc!axion!tharr!chris 
  Disclaimer: The views expressed above are those of my employer..   

  <-- tharr free public access to Usenet in the UK 0234 261804 -->