Re: MMU prototyping

From: smf <smf_at_null.net>
Date: Thu, 24 May 2018 15:24:03 +0100
Message-ID: <6826e9aa-cd5d-c976-0a1a-5831a0ed5dca@null.net>
On 23/05/2018 17:46, Jim Brain wrote:
>  * PHI2 is HIGH AND
>  * Address[15:12] != 0 AND
>  * Address[15:12] != D AND
>  * the current PAGE!= 0
>
> PAGE is an 8 bit (soon to be 16 bit) value denoting which 4kB page is 
> mapped into the selected page of main system RAM.

What would happen if you always asserted GAME? Other than losing access 
to most of the onboard ram.
Received on 2018-05-24 17:00:23

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