multi-core software

Ken T. nowhere at home.com
Mon Jun 8 06:28:20 CEST 2009


On Mon, 08 Jun 2009 02:39:40 +0100, Jon Harrop wrote:

> Ken T. wrote:
>> On Sun, 07 Jun 2009 11:16:46 -0400, Lew wrote:
>>> So the good old days are a matter of degree and self-deception - it
>>> was easier to fool ourselves then that we could at least guess timings
>>> proportionately if not absolutely, but things definitely get more
>>> unpredictable over evolution.
>> 
>> As I recall I could get exact timings on my 6502 based Commodore 64. 
>> The issues you speak of simply weren't issues.
> 
> Let's not forget Elite for the 6502 exploiting predictable performance
> in order to switch graphics modes partway down the vsync!

That actually didn't require predictable timing.  You could tell the 
video chip to send you an interrupt when it got to a given scan line.  I 
used this myself.  

Elite was cool though.  I wasted many hours playing that game. 

-- 
Ken T.
http://www.electricsenator.net

  Duct tape is like the force.  It has a light side, and a dark side,
  and it holds the universe together ...
        -- Carl Zwanzig



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