Re: A89: LCD change for $1 =)
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Re: A89: LCD change for $1 =)
Me and Miles were talking about this and what we
really want to do is move a huge maps worth of sprites
into a buffer and then display part of that buffer
onto the screen. I might be able to do this if I
understood buffers better....
--- Miles Raymond <m_rayman@bigfoot.com> wrote:
>
> This is the first time that I've actually asked for
> help from the A89 list
> in quite a long time. What I want to know is how to
> shift the address of
> the actual LCD.
>
> change:
> +---------------+-----+ starts at: (0,0)
> | | |
> | 89 | |
> | | |
> | | |
> +---------------+ |
> | actual screen mem |
> | |
> +---------------------+
> to:
>
> +---------------------+ starts at: (15,15)
> |+---------------+ | [grid (1,1)]
> || | |
> || 89 | |
> || | |
> || | |
> |+---------------+ |
> | actual screen mem |
> +---------------------+
>
> I think I remember Olle or Zoltan (or maybe both?)
> saying how to do this a
> while ago, but I can't recall exactly what to write
> the new LCD address to.
>
> Also, will this work w/ VTI, or is this the thing
> Olle complains about?
>
> -Miles Raymond EML: m_rayman@bigfoot.com
> ICQ: 13217756 IRC: Killer2 AIM: KilIer2
> (kilier2)
> http://www.bigfoot.com/~m_rayman/
>
>
>
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