FPGA VAX update (CDC song)

[Paul Koning]

>>>>> "Chuck" == Chuck Guzis <cclist at sydex.com> writes:

 Chuck> On 11/3/2005 at 12:03 PM J.C. Wren wrote:
 >> Do you remember the CDC song?
 >> 
 >> "I/O, I/O, it's off to disk we go!  Put CIO in RA+1, I/O, I/O..."

 Chuck> Heck, I can probably remember most of the PPU overlay names
 Chuck> and what they did.  

Ok, let's test that.  1LT?

:-)

(I've been doing battle with that particular one recently...)

 Chuck> For a time, I worked on a transaction system on the Cybers,
 Chuck> where system calls were done exclusively with XJ instructions
 Chuck> and not RA+1 stores.  Made much more sense when your system
 Chuck> was CMTR based--and on this particular system (swaps were done
 Chuck> to ECS), exactly where RA was for any given job could change
 Chuck> very rapidly.  But then, 7000 SCOPE did much the same thing,
 Chuck> didn't it?

Before my time...  I worked on PLATO when it ran on 6000 series NOS.

       paul