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Found 15 results

  1. Has anyone ever tried figuring out how old your beloved machines are going by the occasional date codes printed on the microchips used on the console CPUs and cartridge ROMs? For example, some Texas Instruments chips may have a date code in the format of year/week. One or more of these may have "8249" stamped on it, which means year 1982, week 49. I am sure there are other date code formats used on these besides. Have any of you discussed date codes of microchips yet? ~Ben
  2. Looking for a working NON-QI TI-99/4A computer console only. Can be Black & Silver or Beige. Just looking for console and power supply only but will consider extras. In cosmetically good condition, but doesn't have to be perfect PM with what you have and price, also a picture of the console. Thanks
  3. My recent purchase of several dozen manuals (and the acquisition of several more carts) has altered my list considerably, so it is far easier to start anew than to edit/bump the original post. Again, any assistance in completing these sets would be greatly appreciated (as only an addict can truly understand)... Apps: Disk Manager (original not II) Terminal Emulator (original not II) Weight Control and Nutrition Learning/Kids Computer Math Games II, III, VI Division Early Logo Learning Fun Equations Frog Jump Measurement Formulas Multiplication 2 Number Bowling Number Readiness Picture Parts Reading On Story Machine Games: Sneggit (the last game cart left without a manual!) Also looking for Scholastic Spelling Levels 3 through 6. but because of their binder size and the nature of the 'activity' sections of these, I'm sure there are not many out there in decent shape. Figured I'd ask anyway.
  4. I just scored a boxed TI-99 4/A from work! It is in excellent condition and appears to power up. Now, I have some questions about it. First of all, can I get an adapter to plug it into a coaxle? Also, it doesn't have the joystick. Does it need one to play games, or can I use the keypad? Thanks!
  5. I know there is already a thread about the new 3 in 1 Rasmus scrolling game cartridge for the TI-99/4 here: http://atariage.com/forums/topic/225936-3-in-1-rasmus-scrolling-games-solid-state-cartridges-available-now/ I still decided the open a new topic in the Classic Computing section as it might be that more TI-99 owners could be interested in getting that cartridge, but they might not following the Game Programming part of the forum. http://youtu.be/YxUy0gtk3v4
  6. This has been packed and shipped and on its way to a new home. Texas Instruments Omni 800 Model 840 printer for free! Formerly owned (and probably used at work) by a TI employee here in Houston. It even comes with TI work product! I have not tested the printer at all so I make no claims on its work ability. Local pickup is preferred but I'm willing to ship if there is no local interest and you want to pay the shipping. It's already packed well in the original box which is 29"x23"x14" and about 32# I can't keep this around any longer and need to get rid of it. If I can't find any takers then it will sadly have to go to the recycler.
  7. I completed the replacement of the crystal in this TI99/4A so the color stability should last years and years. I also re-did the thermal paste on the two IC chips. Cleaned every part. Sadly the machine was missing one of its metal case covers. So I asked a professional auto body painter to give it a new metal look. The paint looks great and won't rub off like spray paint cans. I added the BASIC manual, AC adapter and home made composite video cable. This is a machine that will work and work for many years at that. http://r.ebay.com/CIIJg9 Thanks for looking!
  8. June 9th Update: New items added. June 8th Update: Prices dropped. Working on adding more. I'm looking to sell all the duplicates from my collection. I'm currently going through my collection, removing items as I go. As I find duplicates, I will post them here for sale. All items are priced on the low side to help them move. Free shipping on purchases that contain three or more items. I am Paypal verified. PS3 Game(s): Grand Theft Auto IV (Complete) $8 + Shipping (ALL PS2 games $3.50 ea. + shipping unless otherwise noted) PS2 Game(s): Metal Gear Solid 2: Sons of Liberty (Complete) Ratchet & Clank: Up Your Arsenal (Complete) Naruto: Ultimate Ninja (Brand-New/Factory Sealed) $7.00 + Shipping EOE: Eve of Extinction (No Manual) Xbox: Unreal II: The Awakening (Complete) $5.00 + Shipping Texas Instruments: Parsec (Complete, but writing on box by previous owner.) $6.00 + Shipping Atari 5200: Blue Print (Cartridge Only) $7.50+ Shipping More to come! Thank you for looking. Edit: Added photos.
  9. HELP! I've been working on this project: http://github.com/calphool/TRS80GS I've built 4 revisions of this board for my friend's TRS-80. I've had a heck of a time keeping the VDP chip working in a stable configuration. I had everything working for a while, and then suddenly it decided that it wouldn't work any more. I screwed around with the caps on the crystal (soldering on heavier leads and stuff), and eventually it blinked back to life, but now I only have a luminance signal (or at least the TV can't interpret the color part of the NTSC signal, so I get black-and-white). What I need is a very stable clock, and unfortunately there seem to be about a half dozen different examples of how people have set up the clock on this chip. Here are a few: I need something that just always works, not something that's flaky and subject to weird transient noise. The VDP and its clock divider are basically the heart of my board now, and if I can't get the clock working right, nothing works (the sound chips and UART chip use the divided clock signal that comes out of the VDP for their own clocks). What's the best way to make sure this clock is super stable and reliable? The Texas Instruments hardware design? It's got a bunch of stuff inline (including something it calls an "SR Inductor" that has no uH rating, and I'm a little confused by). The ChromaTRS design? It's got some inverter gates attached to the crystal (though it doesn't specify the value for the resistor it's using). I've been using variations on each revision, with the most recent being the one from Byte magazine, which is flaky as all get out.
  10. In a package deal I received this TI 99/4A computer. I figured I would play with it a bit but once I opened the box, I came across a dilemma: it looks very new!! This stuff isn't common so I don't have the heart to break the seals and use it. The computer bag is open, but since the peripherals are sealed I can't imagine it was ever used. All the paperwork looks perfect too, so I'm not even sure if the computer was taken out of the box. I'm looking for $100 shipped for it. Also interested trading for (give or take credit): GBA Everdrive SD2SNES USB GD-ROM VGA/HDMI Box for Dreamcast Legos Album: https://imgur.com/a/TFq5d Thanks for looking. Please let me know if you have any questions.
  11. Looking for the following: BlackHole Breakthrough Burger Builder Escape Intercept Mancala Spy's Demise Some of these show up a few times a year (BlackHole/Burger Builder) while others are rarely seen (Escape/Mancala). I'm under no illusion that the carts I'm looking for will be bargain priced and am willing to pay a (sane) premium. I never haggle, so I'll either accept your price and fire you off the cash, or simply say no thank you. There will be no endless back and forths. So make a bit of extra room on your shelves for other collections (or to appease the little Mrs) , AND put a chunk of change in your pocket at the same time!
  12. For a while there, one of these puppies was making an appearance on ebay every couple of weeks, but there was always something I wanted/needed more, so I kept letting 'em pass... Now that I'm ready to consider one, none are being posted - which is cool coz I'd rather give my money to AtariAge peeps anyway. So if anyone has a working MBX console with headset/joystick/power supply in relatively good condition (manual and box would be nice, but not a deal breaker) fire me off a PM with price. No games/overlays req'd. (I will also happily accept it as a Xmas gift for the Kris Kringles among you)
  13. Does anyone know what the recommended saturation level should be regarding the TMS9928A VDP as used on the ColecoVision? I have played around with various values like 0.47 (same as the value used for the R-Y and B-Y values of the neutral colors and which makes the TMS9928A colors have similar values as the TMS9918A), 0.53 and 0.8 (the maximum luminance figure seen in the TMS9928A datasheet). Thank you, Benjamin "Ben" Edge
  14. Anyone have any favorites for TI-99 games? Was there ever a Berzerk-style game on that machine?
  15. January 2017 Update: Per most recent post, I've acquired most of the items I had been looking for, but still looking for first year/first six issues of 99'er Magazine Volume 1, Nos. 1-6. And also would add that I'm looking for a Prostick II Joystick (Blue). Thanks everyone! ---------- Hello, I'm looking to buy the following: TI Color Monitor (PHA4100A) Operating Guide Slymoids (PHM3197) User Manual TI Editor/Assembler Disks (PHM3055) - Original Part A and Part B Floppy Disks First year/First six issues of 99'er Magazine Volume 1, Nos. 1-6 I have PDF versions of the guide, manual, and 99'er magazines listed above, but would like the original printed versions. I also have copies of the TI Editor/Assembler Disks, but would like the original TI supplied disks. As for the 99'er magazines, I have the 99'er Best Of that has most of the content from the first year of print (Volume 1), but would like to have the original six magazines which are likely rare (even copies with mailing labels are fine). Just trying to round out and complete my collection. Happy to pay for the above items and/or offer in trade any of my extra equipment (TI-99/4a Silver/Black console with power supply and documentation, speech synthesizer, PEB with cable and floppy disk drive - but no disk controller just the drive, black program recorder, beige program recorder, dual recorder cable, TI joysticks, TI-Writer Software, Extended Basic, Neurosurgeon, Adventure (cart only), Star Trek, TI Printer Manual - PHP2500). Everything is tested and works. I have the documentation for most of the stuff including TI-Writer, but I don't have the original TI-Writer binder and don't have any of the original packaging/boxes). Any offers/help appreciated. Thanks!
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