test-drb December 2002

test-drb@ccmp.vtda.org

250 participants
519 discussions

RS232 or Parallel port based keyboards and joysticks

by ram_suganthi＠hotmail.com

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 _________________________________________________________________ The new MSN 8: advanced junk mail protection and 2 months FREE* http://join.msn.com/?page=features/junkmail

23 years, 1 month

Looking for certain software packaging ($$$)

by Robert_Feldman＠jdedwards.com

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

23 years, 1 month

Computers with ports coming out the front?

by Robert_Feldman＠jdedwards.com

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

23 years, 1 month

Computers with ports coming out the front?

by foxnhare＠bigvalley.net

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

23 years, 1 month

1977 Apple II for sale. (ABECLASSIC)

by dfnr2＠yahoo.com

"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 __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com

23 years, 1 month

Old TI analog sound chip; info?

by dan＠ekoan.com

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

23 years, 1 month

Need information on TRSDOS 1.3 internals

by tim＠tim-mann.org

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/

23 years, 1 month

BIG problem with my Jupiter Ace

by Lee.Davison＠merlincommunications.com

>> 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. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

23 years, 1 month

Old TI analog sound chip; info?

by Lee.Davison＠merlincommunications.com

> 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. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

23 years, 1 month

Old TI analog sound chip; info?

by Lee.Davison＠merlincommunications.com

> 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. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

23 years, 1 month

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test-drb December 2002