Re: Switchless ROMs

From: smf <smf_at_null.net>
Date: Wed, 28 Dec 2016 18:20:39 +0000
Message-ID: <523673ac-2ad9-6fb0-5887-24187f172647@null.net> 
On 28/12/2016 17:34, Jim Brain wrote:
>
> access $fffd (jmp)
> <lots of time elapses for VIC badline>
> access $fffd (low byte of vector)

How do you tell between <lots of time elapses for VIC badline> and

access $fffd
<lots of time elapses when CPU only accesses RAM>
access $fffc

?


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Received on 2016-12-28 19:00:49

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