Re: A83: an idea for greyscale


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Re: A83: an idea for greyscale




the problem is not the speed of the grayscale routine, it is the speed of 
the display controller.

-harper

At 05:24 PM 2/7/01 -0600, you wrote:

>Would it be possible to write a routine much like fastcopy but for
>greyscale if you made it write the first buffer to the LCD then when it was
>writing the second buffer it would compare the byte from the first buffer
>with the current one from the second buffer and if they were the same it
>wouldn't bother writing it?  This would cut down on the use of lcdbusy and
>maybe even checking the bytes could replace lcdbusy in some parts, making
>the entire routine faster.  Does anyone think this might work?
>
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