Re: Aw: Re: [stella] Player data loading...semi newbie

["Glenn Saunders" <cybpunks@xxxxxxxxxxx>]

> since the skipdraw branch
> is way faster than the drawing branch. In fact you'll
> probably even have to add NOPs or .Ws in there, to match the
> running times of both branches.

A problem I see is if you clear out GRPx within Skipdraw that you can't have 
the successful branch that stores graphics to GRP0 just naturally run 
through Skipdraw as it does in Thomas' example because the data that gets 
written to it will then get wiped out.  So you have to add a JMP right after 
the data gets written to GRPx that skips over SkipDraw.  This adds cycles to 
the LONG branch of the routine.

Depending on the timing of the kernel that may be make or break.





> > You can always define them as macros... though that won't handle 
> different
> > addressing modes. When I get home, if I have time, I'll look at the 
> source
> > for DASM to see how hard it looks like it would be, to add opcodes. This
> > would be a nice feature to have...
>
> Thomas already did that long ago...
>
> Oh... I wish people would start browsing the archive instead of
> reinventing the wheel every half a year :-)
>
> Greetings,
>      Manuel
>
>
>
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