Re: upgrading CBM-3040?

From: Spiro Trikaliotis <*ml-cbmhackers_at_trikaliotis.net*> Date: Thu, 16 Nov 2017 22:09:54 +0100 Message-ID: <20171116210954.GE20297@hermes.local.trikaliotis.net> · ml-cbmhackers_at_trikaliotis.net

Hello Rhialto,

* On Thu, Nov 16, 2017 at 09:33:13PM +0100 Rhialto wrote:

> > I would think that noone thought about this difference when the 2031 was
> > built.
> 
> Indeed. On both versions they would simply write 8 bytes to the I/O
> port. But on the [234]040 there is a hardware GCR encoder between the
> port and the disk, if I remember correctly. So in software it would look
> unchanged...

You remember correctly. ;)

Both ROMs just write 8 byte to the output port.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/

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