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From: bazyar@ernie (Jawaid Bazyar)
Newsgroups: comp.sys.apple2
Subject: Re: MMu on the IIgs
Message-ID: <1991Jan14.231048.24827@ux1.cso.uiuc.edu>
Date: 14 Jan 91 23:10:48 GMT
References: <1991Jan11.065402.640@ux1.cso.uiuc.edu> <91011.085913AABENSON@MTUS5.BITNET> <14857@smoke.brl.mil>
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Organization: Mutation Testing Facility/UIUC
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In article <14857@smoke.brl.mil> gwyn@smoke.brl.mil (Doug Gwyn) writes:
>Actually COP is used just for debugger traps; that's how the desktop
>environment is able to move an arrow through the source code as it
>executes, for example.
  Too bad I've never seen this done without a system crash close behind...

>I don't know why COP rather than BRK.  COP does have subcodes, which
>makes it convenient for the debugger.

  But BRK has subcodes too.  It was probably an arbitrary choice.  Someone
should ask Mike if there's a reason in particular.
 

--
Jawaid Bazyar               | Being is Mathematics 
Senior/Computer Engineering | Love is Chemistry
bazyar@cs.uiuc.edu          | Sex is Physics
   Apple II Forever!        | Babies are engineering