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Article #43235

Re: Help with an MM/1 Ext

#43235
From: knudsen%ihades.UUCP.UUCP
Date: Thu, 16 Dec 1993 19:34
32 lines
2155 bytes
To: coco@pucc.princeton.edu
Reply-To: m.j.knudsen@att.com

>was workin'.  It would have been a good thing.  Recally the TC9 was going to
><use the 6309 at 3mhz, but they couldn't get timing working.  If only we had
>known about the native mode back then!  Plus, with the REAL hardware on the
>TC9 it would have done I/O so much better.  Pity.  I'd still love to have

I'd forgotten (or never known) that the TC9 was going to use the
Hitachi CPU.  That wud've really been nice when the "hidden gold"
was discovered.  Also as you say it wuda been good to have the
floppy controller, PIA, SCIA, etc. built right into the board as
was planned.

I'm surprised they couldn't get it running at 3 MHz.  Originally
it was a nice clean OS9-L2 machine, but somewhere along the line
Frank decided it better support DECB too, and ROM Paks, with all their
funny peeks & pokes into hardware.  They worked out some sort of
emulator scheme, but it must've totally kludged the hardware and
firmware to do it.

>gotten one - but when the first batch was ready, I was broke.  Sigh.

What I heard was that the TC-9 was cancelled before any were made.
Maybe some Beta models were offered and that's when you were broke.

No doubt the TC9 wuda sold like free beer had it come out a year earlier,

but the same applies to the Coco3 and the MM/1.  Actually I heard
the Coco3 debuted almost 2 years later than Tandy had planned,
which is a cryin' shame.
--mike k
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From: knudsen%ihades.UUCP.UUCP@ATT.BITNET
Subject: Re: Help with an MM/1 Ext
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