Hi,
Does anyone know where I can get a keyboard that either plugs into an RS232
/ RS422 or Parallel Port? Ditto for a joystick. I want to connect a
keyboard to a transputer array for stand-alone operation and I already have
RS232 / Parallel ports on the array.
Thanks,
Ram
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ISTR that the Traveling Software word processor (software on cassette tape)
I bought for a TRS Model 100 was packaged like that. I no longer have it,
but the date was early 90's.
Bob
-----Original Message-----
From: Dan Veeneman [mailto:dan@ekoan.com]
Sent: Tuesday, December 17, 2002 6:52 AM
To: cctalk(a)classiccmp.org
Subject: Re: Looking for certain software packaging ($$$)
At 06:26 AM 12/17/02 -0800, you wrote:
>Would any Commodore cassette software do?
>I think I have a c64 or vic 20 game that was packaged like that
Almost all of the Intellivision game cartridges were packaged
like that as well. I don't know if that counts as "software"
for Sellam's purposes or not.
Cheers,
Dan
Yes, pin 7 of the modem port is for +12V. The pinout of the DE-9P (except
for some early boards with a female DE-9) is:
1 Gnd
2 TXD
3 (not used)
4 MSB (Modem Status Bit)
5 CTS
6 RXD
7 +12V
8 MCB (Modem Control Bit)
9 RI
The Tech manual goes on to say all signals are TTL, and the interface is
"extremely vulnerable to damage through misuse." Also, some modems with
RS-232C connectors need an external adapter box so that the OI isn't
damaged.
modem port Bob
-----Original Message-----
From: Gary Hildebrand [mailto:ghldbrd@ccp.com]
Sent: Monday, December 16, 2002 11:33 PM
To: cctalk(a)classiccmp.org
Subject: Re: Computers with ports coming out the front?
Lawrence Walker wrote:
>
> Yup, the whole shebang. External Battery, keyboard, printer, video,
> serial RS232 and Modem. BTW what was the difference between the
> modem and RS232 ports ?
>
> Lawrence
Besides number of pins . . . .
I think the 9 pin Modem port was for the accessory modem and has DC
feeding the box that fits in the disk bay. The RS232 could be
configured to drive a serial printer which was the common interface back
then, especially on daisywheels.
Gary Hildebrand
St. Joseph, MO
Heh.. While looking at a Transactor Magazine tonite (fomr something
else), I had noticed this bit in the new Products Section (from January 1986)
Commodore 64 Remote Keyboard Conversion Kit
What it is - an extension ribbon cable for the 64 keyboard top with
shells for the PCboard bottom and Keyboard top. From the news item:
Remote Keyboard Conversion Kit
If you have a Remote Keyboard Conversion Kit - Here's that you have:
[picture of keyboard in front of bottom of 64 with ports facing the keyboard]
- a keyboard for your lap, lean back-relax.
- Keyboard to pass around when playing games
- Keyboard not restricted in movement by 5 cables
- A computer with cable plugs facing you (in the 64's design that would
be Parallel user port, TV, Video, Disk Drive/Printer, Cassette and Cartridge.)
- A Computer you can change cabling and accessories easily.
- Color keyed to match the original unit (the brownish breadbox style)
Friendly Systems, Inc.
1845 Range St.
Suite A
Boulder, CO 80301
(from page 77 of the Jan '86 Transactor Vol.6,Iss.4)
And didn't some rack mounted 8-bits (Apple, Atari, and 64) have the
ports out the front? I read about such units at major software places
like EA, they were custom mountings though. ... Thinking on that you
might find rack mounted PCs with forward ports too in late 80's
industrial component catalogs...
Larry
--
01000011 01001111 01001101 01001101 01001111 01000100 01001111 01010010 01000101
Larry Anderson - Sysop of Silicon Realms BBS (209) 754-1363
300-14.4k bps
Set your 8-bit C= rigs to sail for http://www.portcommodore.com/
01000011 01001111 01001101 01010000 01010101 01010100 01000101 01010010 01010011
"Chandra Bajpai" <cbajpai(a)attbi.com> wrote:
> Btw - Does anyone know who the guy at ebay user id
'abeclassic' is? I
> wish I had his deep pockets...he bids on a lot of
things and definitely
> outspends everyone. Some times I wonder if it's
worth bidding on if he
> his even thinking about the same item.
DEFINITELY continue to bid your price on items you
want. If you lose, so be it, but make him pay at
least that much, or he won't even have to use any
discretion when selecting auctions.
Dave
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At 08:07 PM 12/16/02 -0600, you wrote:
>I'm fairly sure Radio Shack at one time sold some of those
>particular sound generator chips too.
Yes, I have a SN94281 in a Radio Shack package.
>I have the data sheet for the SN94281, but I'm not sure about the other
>two. If it would be helpful, I can scan it.
I've started to scan some of my old data sheets. The panels for the
SN94281 can be found at http://www.decodesystems.com/old-ics.html
Cheers,
Dan
http://www.decodesystems.com/wanted.html
Sellam Ismail wrote:
> Are the TRSDOS 1.3 internals documented in any of the TRS-80 reference
> manuals?
As far as I know, Tandy never documented the on-disk data structures for
Model III TRSDOS. We were stuck figuring them out for ourselves even in
the old days. They did document the assembly language interface to the
OS. There's a scan of the part of the Model III manual that deals with
TRSDOS 1.3 user commands and assembly-language entry points on Wade
Fincher's site:
http://www2.asub.arknet.edu/wade/m3trsdos.pdf
--
Tim Mann tim(a)tim-mann.org http://www.tim-mann.org/
>> There is just no pleasing some people. 8^)=
>> http://zx.dyndns.org/trastero/cosas/droy/jupiter/
>> You want the .pdf near the end.
> Interesting how he got blue as a background when the real Ace used
> black.....
I would guess he's using an RGB monitor, but can't say for
sure as babelfish stops translating half way down the page.
Curses!
Lee.
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> Anyone have the datasheet for
> it online or willing to scan it in?
There is also http://rgvac.978.org/chips/SN76477.pdf
which is more an application note than data sheet.
Lee.
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> I'm looking for the documentation for the olde TI analog
> sound chip; this dates back to the late 70's early 80's if
> my memory serves me correctly. I don't even remember the
> part number. AFAIK, it had some kind of "I2L" (I squared
> el) technology or somesuch, and it was mostly analog, with
> some digital control (but nothing like a DSP or midi).
> Anyone recall this chip? Anyone have the datasheet for
> it online or willing to scan it in?
SN76477N, http://rgvac.978.org/chips/sn76477datasheet.pdf
> Background: I remember playing with it a *long* time ago,
> and wanted to model it in software :-)
I remember it well, it was the canine gonads until the AY3-8910
and it's ilk appeared.
Cheers,
Lee.
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