Re: Commodore 64 Ultimate Cartridge project

From: Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de>
Date: Tue, 08 May 2012 17:23:10 +0200
Message-ID: <4FA93A5E.9080309@laosinh.s.bawue.de>
On 05/08/2012 12:12 AM, Gábor Lénárt wrote:
>
> The other complicated solution would be disabling 6510 and allow uC to place
> data into C64's memory, so basically do some kind of DMA (from the view
> point of the C64 - I mean).  Then I can have more tight timing, not needed
> to think about slower transfer by 6510 program, etc.

If you do this, you will either have to disable the display or take the 
bad lines into account. The latter meaning you have to watch AEC to see 
whether you can have the bus or not.

  Gerrit


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Received on 2012-05-08 16:00:14

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