Re: Turbo232 UART Cart HDL

From: Gordon Steemson <>
Date: Thu, 12 Dec 2013 07:47:07 -0800
Message-Id: <>
Hi all,

On Dec 12, 2013, at 5:37 AM, "J.G.Harston" <> wrote:

> Mike Naberezny wrote:
>> Novaterm and DesTerm 128 also support the HART cartridge from
>> Hatronics.  This was an 8250-based design.  It should be possible to
>> install a 16550 in a HART cartridge but I haven't tried it.
> The 16550 is pin-compatible with the 8250, and "looks like" an 8250 to
> the driving software if the driving software doesn't access the extra
> features.
> Pins:
> Ports:

This leads to an obvious (to me, at least) next step: if you’re doing an HDL implementation anyway, why not invent a “6552” that extends the 6551 in the same way the 16550 extends the 8250?

The world’s only gsteemso
The Seattle Retro-Computing Society’s agitator-in-chief

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Received on 2013-12-12 16:00:07

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