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Thread: Re: pdp 11 boot rom 23-E39A9




Re: pdp 11 boot rom 23-E39A9
user name
2007-09-29 16:54:38
> 
> On Sep 28, 2007, at 8:03 PM, Tony Duell wrote:
> >>> they did some really groady (cool) hacks
(depends on your point
> >>> of view) to use words as both instructions
and data.
> >> Maybe it was written by Mel, The Real
Programmer? 
> >
> > I'd love to see anyone write a self-modifying ROM

> 
>    Crank Vcc up a bit, to just below the smoke
threshold.. ;)

On an M9312 card? I worry about what's going to happen to
the rest of the 
machine... I also wonder if it's correct to call the device
a 'ROM' if 
it's used in that manner 

Anyway, I cna't beleive there's much use for a boot ROM that
boots the 
device once, and then has to be replaced (remember these are
fusible-link 
ROMs, they can't be erased). 

-tony

Re: pdp 11 boot rom 23-E39A9
country flaguser name
United States
2007-09-30 14:42:47
 > Anyway, I cna't beleive there's much use for a boot
ROM that boots the
 > device once, and then has to be replaced (remember
these are
 > fusible-link ROMs, they can't be erased).

The Decretary will disavow any knowledge...

De

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