Re: Color RAM... Can be mapped "out"?

From: silverdr_at_wfmh.org.pl
Date: Thu, 27 Aug 2020 13:25:03 +0200
Message-Id: <9337B472-E8C8-48B9-9DBC-AC08D09F0F0E_at_wfmh.org.pl>
> On 2020-08-27, at 01:53, groepaz_at_gmx.net wrote:
> 
>> The color RAM seems to be "always" at $D800, isn't it?
>> 
>> But it has its own SRAM chip instead of being part of the main RAM.
>> 
>> Do that means that there is an accesible RAM section "under" the Color RAM,
>> where code or data can be put, just like when devs play with LORAM, HIRAM
>> and the rest?
> 
> sure, the color ram is in the "i/o area", so when you bank out the i/o chips, 
> you can also access the ram at $d800-$dbff

Which I recall using as part of an "undo buffer" in "multidrawer" for example.
-- 
SD! 
Received on 2020-08-27 14:02:33

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