Re: Did Commodore cheat with the quad density floppies?

From: Mia Magnusson <mia_at_plea.se>
Date: Thu, 10 Jan 2019 22:56:02 +0100
Message-ID: <20190110225602.00003e85@plea.se>
Den Thu, 10 Jan 2019 15:13:45 -0500 skrev "Mike Stein"
<mhs.stein@gmail.com>:
> 
> ----- Original Message ----- 
> From: "Mia Magnusson" <mia@plea.se>
> To: <cbm-hackers@musoftware.de>
> Sent: Thursday, January 10, 2019 2:44 PM
> Subject: Re: Did Commodore cheat with the quad density floppies?
> 
> 
> > ...As a comparison, the first Commodore product fast enough to
> > display 80
> cols with an 8-bit bus (and no wait state / "snow" problem) were the
> CBM-II/B series and later the PET 8296, and those came out later than
> the initial IBM PC.
> 
> I thought the 8032 was the first, a year or so before the PC; no?

As André pointed out, the 8032 has a 16-bit bus between video ram and
the circuits that actually generate the video signal. (The char rom
though needs to be faster than the ram)


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Received on 2019-01-10 23:02:59

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