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  1. This is a work in progress.. will be happy to add anything missing - Greg A few bits of information, rules and guidelines on posting. Short links to our sub-forums: TI-99/4A Computers http://ti99.atariage.com TI-99/4A Development http://dev99.atariage.com Please read the AtariAge site guidelines which apply to and are enforced in our subs. Our sub-forums are divided to help cater to the varied interests in our beloved platform. The parent sub-forum, TI-99/4A Computers, contains general information and conversation regarding the TI-99/4A and its siblings, such as the 99/2, 99/8, CC-40, and BASICALCS. The sub-forum TI-99/4A Development is for conversations, information, announcements, etc. pertaining to programming, tinkering, or the development of software or hardware for these computers. This division is not intended to be a separation of the community but rather a way for those who have little interest in development but moreso in general discussions to focus their time on the fun-zone, while those who take more interest in the deep-down nitty-gritty and not so much general shenanigans to focus their attention just the same. The rest of us can spend all the time we want and will peruse both subs with reckless abandon. Insofar as development is concerned, once hardware or software has been completed or is at least ready for general consumption, an announcement should be made in the general TI-99/4A Computers forum for all to partake. Further development and inquiries should still be continued within the TI-99/4A Development sub-forum. The forum leader will move threads to a more appropriate forum. This may also be done by request should a thread be started in the wrong forum by accident or the trajectory changes from general to development or vice-versa. The forum leader will also merge identical threads started in both forums into a single thread in the proper forum. Per AtariAge guidelines, please refrain from posting identical threads in both sub-forums as way to ensure the topic gets viewed. Many people already browse both subs, and if your topic pertains more to development rather than general, or vice-versa, the thread should exist in the appropriate forum. As well, multiple threads created on the same topic in the same forum will be merged. Regular members can edit a post for 60 minutes after submission. This allows you to fix any issues you may notice with the post right away. Subscribers can edit posts for 30 days. In the Marketplace and Programming forums you can edit your posts indefinitely, since the flexibility of allowing editing of posts outweighs the potential abuse of the edit functionality. If you make a duplicate post in a thread, which can happen by accident or some unforeseen technical glitch, report the post by clicking on the "report" link at the bottom of the post and indicate in the report that the post is a duplicate. If you are not a subscriber, please help support AtariAge by using the eBay BBCodes ebay, ebayseller, and ebaystore when posting links to eBay! Click here for more information. Anything you would like to share with your fellow 99ers but is seriously off-topic for the forum may be posted in the official off-topic thread, located here To find the most popular threads click on sort by and select most popular. All of us are ready and willing to provide answers to your TI-99 questions if we can, some will just chime in if they cannot, and others will just lurk. If you have any questions specifically pertaining to the operation of our forums, please feel free inquire of the forum leader via Private Message (PM,) or one of the global moderators. BEFORE POSTING QUESTIONS PLEASE READ THE UPDATED TI-99/4A FAQ HERE: https://www.arcadeshopper.com/wp/ti-99-4a-faq/
  2. Update: moved packages to emulation section from software. I have put a together MAME/MESS emulation package that emulates the MyArc Extended BASIC II & TI P-Card for the Ti99. MyarcXBII: MyArc was a company that made peripherals for the TI-99 line. There most famous peripheral (if you want to call it that) was the Geneve. The Geneve was a complete TMS 9995 computer that fit in the TI-99 PEB as a card. Another peripheral that was lesser known, but just as revolutionary, was the MyArc Extended BASIC II. The MyXBII consisted of the 128k or 512k Memory card, a set of disk and a cartridge. When running the MYXBII had 3 times the memory of TIXB, was up to twice as fast as TIXB and was able to access all the graphic capability of the TI graphics card including the hi-rez. If a MyArc HD disk card was added the software could even boot from the MyArc hard drive. It turned the TI99 into a real power house. Unfortunately because of it's expense and the fact that you needed a PEB to run it, the MyArcXBII never really caught on. Now, though, with emulation it cost nothing so through the power of MAME/MESS the power is being released. Start the MyArcXBII at the TI99 main menu by choosing 3-128k BASIC and this will boot the MyArcXBII from the hard drive. P-Card: The P-Card was a card for the PEB that was, more or less, a complete operating system apart from the TI99. It's a virtual machine processor on a card that ran P-Code. It was written totally in software and was based on Pascal and was able to run on other computers that also conformed to the P-Code specifications. It is nothing like a standard TI-99 and when booted takes over the TI-99 and even has a specially formatted disk it uses. There is a complete suite of software and if you can figure it out, kinda nice. To run the P-Card in MAME/MESS click under OPTIONS-DIP SWITCHES then turn on the P-CARD. Hard reboot the machine and the TI-99 will start in the P-Card mode (after a few seconds of beeping and blank pages). To go back to MyArcXBII just turn the P-CARd switch OFF then hard reset the machine. The MAME/MESS package works with any versions of MAME/MESS past version 222. Just merge your version of MAME/MESS into the MESSxxx directory and point the already created batch file in the root to that directory. Package includes manuals, software, batch files and everything you need except MAME/MESS itself. Enjoy. Download from my https://ti99resources.wordpress.com/emulation/ At the bottom of the page is MAME packages, click on MyArc Extended BASIC II to show download files. I have both a package with and without the P-Card. (a truly nice tripped out Ti-99 from mainbyte.com)
  3. Hi all. As I am waiting for some new keyboards to arrive for my 4a (mine died), I bought a second 4a with joysticks and manuals from a guy down the street from me. This 4a seems to be in a bit better shape, and the keyboard fully works, although I do get a bit of key-repeat happening here and there. Also came with TI Invaders. The first came with Moonpatrol. I'm up to two games! :-) Once I was happy with the operation of the 2nd I plugged the PEB in and tried to get some disk access as I haven't been able to try it out yet. I have no idea whats on the disk, but at least the drives (DSK1 and DSK2) do recognize and spin! So far so good! I should mention that I do not have the disk manager cart or the extended basic cart, so I have to putter around with just normal basic. Later tonight I hope to try out some simple commands to the serial ports to see if it works too. Well, so far so good. More updates to follow.
  4. I'm trying to add my Lotharek as DSK2 and DSK3 to my PEB with a single Tandon drive. For this I'm using a standard PC floppy cable with TWO floppy connectors, one of which is twisted. When I connect the Tandon drive only, I can catalog DSK1 just fine. When I connect the Lotharek only, I can catalog DSK2 and DSK3 just fine. (Note that jumpering the Lotharek appropriately will take care of the twisted cable, I think.) If I connect both, though, then cataloging either DSKx yields "DISK NOT INITIALIZED". I've also tried removing the resistor pack on the drive (I suppose this is "A" in the photo, not "B"?!), but it didn't affect the result at all. (Or are you supposed to plug in something else instead?) Is my approach misguided? What's the difference between attaching a single cable with two connectors to the main controller plug and attaching two cables with a single connector to both main and rear-facing controller plugs?
  5. I just got a PEB (see my avatar). It has a full high ss/sd drive, memory, rs-232,-code cards installed. I know there is many, many ways of getting files to the TI-99 from the internet using the PEC; HxC drives, IDE card, Mod RS-232 card, TIPi card and probably more. BUT, some are no longer get-able and others are still not available. So, what do you all think is the best and most cost effective way of getting files to the TI-99 from the internet. I'm leaning to replacing my full high ss/sd with 1 or 2 HxC floppy emulators. Any thoughts on the subject?
  6. Hi All, Looking for help - bought a HRD off eBay. It only reports 182K, gets errors on the memtest, however it loads the DSR OK and seems to function as it should. (have not tested for corrupt files) In any event - I suspect some of the jumper wiring might have come off over the years and need some assistance. Anyone have a build manual? Anyone have this card??? http://www.tyde.net/2.jpg If you have it - can you look at the expansion jack pad and tell me if yours looks like mine??? http://www.tyde.net/1.jpg In general, it's a clean looking card that appears to have suffered no electrical (visible) or physical damage. I'd love to put it back into service (I run a pretty big 35 year old database on my TI99). Is there anyone out there with the skills and time to take a shot at fixing it? (it's beyond my skills to do a component level debug - though I could probably fix anything if I knew what to do). Any assist would be very much appreciated... Cheers, Arthur...
  7. So, I just bought a flex cable off eBay. I already own the PEB box but it's empty other than a PSU. I have never put power to the PEB so I have no idea of the PSU is good. I couldn't wait for my flex cable to get here before I asked some questions. 1) Assuming the PSU is totally shot, can they be replaced with modern ATX PSU's? I don't remember the form factor of it (need to get it out of storage). I could always recap the board but I like modern PSU's whenever I can. 2) Does the speech synthesizer connect to the side of the TI and the flex cable into the side of it? Or can the two be used together? 3) What kind of floppy drives can I use with the PEB/TI? I want to get a TIPI but I like actual drives too. Thanks!
  8. About 15+ years ago, I obtained a FREE (yes free) PEB from someone. It appeared to be in good shape. It was (is) empty. No floppy drives or cards. So, I never even put power to it. Recently, I obtained a flex cable for it so I thought it was time to see if this thing works. I have read the fan is super loud. After opening up the case, removing some cobwebs and other small critters, it's alive! I have to admit, it's not as loud as I was thinking it would be. No louder than a typical PC of the time. And I've got the top off. I may upgrade the fan sometime in the future with something quieter. Anyway, I'm excited about it. I've wanted a PEB since I was a small kid and I finally got mine to power on. This is only phase one of many phases to come. Time to start looking for cards. :-) Video Feb 03, 6 24 09 PM.mov
  9. just got me a working PEB complete with 2 old TI full high drives of indeterminate functionality. I have been trying to initialize a disk on the drives and I get error 16 (not recognizing the drive or disk). the drive spins up on both when initializing and the light comes on but then I get that error after a minute or so in Disk Manager 2. Now the problem is all I have is double density/ double sided disk to test with. would i get an error like that with 2D/2S disk formatting? do I need to get some single sided disk to test it with (which are hard to find)?
  10. So, I'm going to be away for a few weeks (more than a few) and away from my home-base where I can record new videos. So, in this thread I wanted to post those videos that have been created in the past couple weeks. I will be creating more, I know in the last video it appears it's the last, but it isn't, I just knew I'd be away for several weeks (i.e. 5ish due to work assignment out of town ). I have more ideas after this series that I want to develop but I won't be able to for at least a month and I have new items on order that have not arrived to review. So, it's not the end of the TI 99/4a Wagner's TechTalk videos. If you haven't seen these, I hope you take the opportunity to look around and hopefully it will be fun/helpful for you. Please comment below with any recommendations and I'll do my best to add them when I return in late April (I will have internet access, just not the ability to create new TI content as my TI will be at home and I won't be). Best to all! -Jon Part I - TI 99/4a Home Computer Introduction and History - Part I https://youtu.be/mFZgnH32Kag Part II - AWESOME TI 99/4a Upgrades - the nanoPEB - Part II https://youtu.be/hsQD0i4pZFk Part III - Preparing and Managing the nanoPEB CF Card with TI99dir - Part III https://youtu.be/cJ5v9d3LeJg Part IV - TI-99/4A Part IV - Various Upgrades: Video converters, TI99Sim, FlashRom99 and more! https://youtu.be/-0bffE-61qo
  11. I finally went and bought myself a PEB, listed as untested, and complete with RS-232, Disk Controller, and 32K cards. And as seems to be usual with untested systems, it doesn't work. (at least not entirely) I typed in the following program listed in the Disk Memory System manual, in order to test the drive: 100 OPEN #1:"DSK1.X" 110 CLOSE #1 The LED on the controller lit up for a fraction of a second, but the drive itself was lifeless, with me getting an I/O ERROR 00. The manual, however, says that I should normally get an I/O ERROR 06, and that 00 means that the drive could not be found. For what it's worth, the drive spins up when the PEB is first powered on, and the LED on the drive lights up when shutting it off. Where should I start with troubleshooting this? (BTW, I thought that members here were exaggerating about how loud the PEB's fan is; turns out it really is that loud )
  12. Just purchased an empty PEB and want to find a disk drive and disk drive controller card for it. Also looking for a 32K Memory card.
  13. http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD I am considering one of these for my TI. I am using the WHT SCSI card. Anyone have any thoughts on whether it will work or not? What about size limitations?
  14. I bought a PEB about 15 years ago on EBay with the hopes of someday getting a TI994/A setup going, but never had a computer to run it with until recently. I haven't started it up yet and wanted to ask a couple questions before I do. It hasn't been powered in the time I've had it, and I'm guessing some time before that. Is there any pre-work I should do on it before I apply power to it? Test out caps or pre-replace components? I don't want to power it on and have it blow itself up. The PEB is pretty well loaded up with a Disk Controller, 32K Ram Card, RS232 Card, the Flex cable interface, and a CorComp TripleTech Card with a speech synth card installed on it. Is there any risk the cards may damage the unit or vice versa if they are out of order? It also has a clear problem with its floppy drive. The little door you latch down seems to have been knocked off the front and into it, wedged between the drive circuit board and the metal frame of the drive door. I can't figure out how to get the drive out for the life of me. I've removed the four screws (2 under the top cover on the top of the drive cage, and 2 on the bottom side of the unit). It moves around in the cage after that but won't fit out the front that I can see. How the heck do you get the drive out? Thanks in advance!
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