[A83] Re: sprite routine


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[A83] Re: sprite routine




Also, that sprite routine looks pretty bad.  What is with those two huge
buffers for stuff?  You have to realize that there aren't enough registers
to do a 16 pixel sprite routine, so you have to do things twice.  It's
faster that way.  Sometimes simpler is better.

> > PutSprite16Masked). Do you think I can use this routine
> for my TI-83? The header says the x-value must be between 0
> and 127, but TI-83's screen is a little smaller.
>
> You'll need to modify it, because it assumes the length of
> a scanline to be 16 bytes, whereas in the case of the 83 it
> is 12 bytes only. That means a change in the initialisation
> part (where the proper screen address is calculated) as
> well as the inner loop (where the destination pointer is
> increased).





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