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