Re: [cc65] C128 functions slow()/fast() for C64

From: Groepaz <>
Date: 2012-10-21 15:32:28
On Sunday 21 October 2012, you wrote:
> Hi *,
> Any thoughts about providing `slow()` and `fast()` functions for the C64
> target that switch the screen on/off and would set a C128 into 1 Mhz/2
> Mhz mode?
> It is common to do this in computing intensive programs like compression
> software.  C128 users get some extra speed out of the C64 application
> and on the C64 it doesn't do any harm AFAIK.  Even there you get a small
> speed gain because the VIC doesn't stall the CPU any more for memory
> access.

such function may even switch on/off the turbo of a few common accelerator 
cards (flash 8, scpu, chameleon) - all of which can probably be done without 
sideeffects too.


I don't understand how poor people think. 
<George W. Bush>

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Received on Sun Oct 21 15:30:38 2012

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