Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!POSTGRES.BERKELEY.EDU!dillon
From: dillon@POSTGRES.BERKELEY.EDU (Matt Dillon)
Newsgroups: comp.sys.amiga.tech
Subject: Re: State of PD system enhancement (was: Two Amigas)
Message-ID: <8909190909.AA22683@postgres.Berkeley.EDU>
Date: 19 Sep 89 09:09:06 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Lines: 13

:What happens if you Forbid() as the block starts, can you get away with
:cycle counting?  If the blocks are short enough this should not affect
:the rest of the system.  (e.g. suppose this gets it down to 15uS/byte;

	You can't.  Too much effects the 68K and, in fact, there may not
    even be a 68K in there... could be a 68020 or 030 or, well, you get
    the point.
     
	Also things like video (say the guy doesn't have any FAST mem!)
    and, of course, hardware interrupts would cause major problems.
    (You simply don't disable interrupts for that long a period of time!)

				-Matt