Re: Break point

[Dave McKenzie <davemck@xxxxxxxxxxxxx>]

To pick nits, the system doesn't exactly do *nothing*--it executes the 
instruction that was replaced by the trap, and *then* does nothing :-)

Also, note that if you save a pgm that has a breakpoint in it, the system 
cleverly replaces the trap with the original instruction in the save file or 
tape.

Those guys in Rochester who write SLIC had to have *something* to do during 
those long winter days :-)

--Dave

[Steve Richter]
>       What happens when the pgm is called by a non debug mode job?
>
[Leif Svalgaard]
>       ===> the trap that is taken detects that the program is not under
> debug in this job and does nothing. I didn't design this  :-)
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