Re: A86: Re: Grayscale


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Re: A86: Re: Grayscale




$CA00 is not optional... the 0 port cannot point to memory below $C000.
I use $F600 for grayscale and/or double-buffering.

Matt Johnson wrote:
> 
>     Is there any other way to do 4-level grayscale than writing one picture
> to $fc00 and another one to $ca00 and using port 0?
>     Jbrett
> 
>     No. But there is a way to do grayscale pictures without using
> interrupts, but standard grayscale for games and stuff uses interrupts.. IM
> 1 or IM 2 does not matter. And.. $CA00 is also optional, there is some free
> ram on Page 1 you can use.
> 
>     Later,
>         Matt

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