TI-99/4A Computers

6,307 topics in this forum

1. Trying some board debugging 1 2 3

   By InfiniteTape, September 10, 2022
   • 56 replies
   • 2.7k views
   • 
   • Duewester
   • November 21, 2022

2. Replacing 4116 ram with 4164 for reliability

   By arcadeshopper, October 11, 2016
   • 5 replies
   • 13.7k views
   • 
   • arcadeshopper
   • November 20, 2022

3. Multi-Tape-File-Spanning Files?

   By CLBrown, November 18, 2022
   • 10 replies
   • 422 views
   • 
   • CLBrown
   • November 20, 2022

4. Percom TX99 - External Floppy

   By 800_Rocks, November 15, 2022   

   • percom
   • tx99-s1
   • (and 1 more)

     Tagged with:

     • percom
     • tx99-s1
     • drive
   • 17 replies
   • 802 views
   • 
   • 800_Rocks
   • November 19, 2022

5. Best "Missile Command" clone.

   By dhe, November 16, 2022
   • 16 replies
   • 1.1k views
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   • JB
   • November 19, 2022

6. MIDI on a 4a / mt32-pi

   By dhe, November 14, 2022
   • 20 replies
   • 930 views
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   • 9640News
   • November 18, 2022

7. The Inside Story of Texas Instruments’ Biggest Blunder: The TMS9900 Micropr 1 2

   By Willsy, June 23, 2017
   • 34 replies
   • 5.9k views
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   • FarmerPotato
   • November 18, 2022

8. Forti sound card

   By hloberg, January 3, 2022
   • 18 replies
   • 1.3k views
   • 
   • FarmerPotato
   • November 17, 2022

9. Tape Games thread 1 2 3

   By Retrospect, February 13, 2018
   • 53 replies
   • 4.3k views
   • 
   • Torrax
   • November 16, 2022

10. Things that annoy me about the 99/4a 1 2 3 4 6

    By dhe, October 25, 2022
    • 147 replies
    • 6.6k views
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    • mizapf
    • November 14, 2022

11. Mario Brothers 1 2

    By dhe, October 30, 2022
    • 32 replies
    • 2k views
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    • jrhodes
    • November 13, 2022

12. TIPI Problem

    By curtludwig, May 1, 2020
    • 11 replies
    • 930 views
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    • dphirschler
    • November 13, 2022

13. TI 99/4a Video Ram Replacement

    By Sayonara!, April 17, 2022
    • 7 replies
    • 920 views
    • 
    • JJB
    • November 12, 2022

14. Question about the Speech Synthesizer Unit

    By xabin, October 22, 2022
    • 24 replies
    • 986 views
    • 
    • dphirschler
    • November 12, 2022

15. Another 3D printable case design for Jedimatt42's 32K memory expansion

    By hideehoo, November 11, 2022
    • 2 replies
    • 265 views
    • 
    • dphirschler
    • November 12, 2022

16. Unable to load/save with tape

    By prowler, October 28, 2022
    • 6 replies
    • 642 views
    • 
    • prowler
    • November 12, 2022

17. EXCELTEC EXTENDED BASIC ?

    By hloberg, October 25, 2019
    • 7 replies
    • 858 views
    • 
    • acadiel
    • November 11, 2022

18. Best Attract Mode?

    By Rick Thornquist, November 10, 2022
    • 14 replies
    • 960 views
    • 
    • arcadeshopper
    • November 11, 2022

19. ti99/4a CPM?

    By am1933, April 3, 2014
    • 8 replies
    • 2.7k views
    • 
    • arcadeshopper
    • November 10, 2022

20. SAMS and TI Extented Basic 1 2

    By fabrice montupet, January 7, 2022
    • 34 replies
    • 2k views
    • 
    • arcadeshopper
    • November 10, 2022

21. Geneve BUS mouse adapter

    By Shift838, November 9, 2022
    • 9 replies
    • 480 views
    • 
    • suberbanator
    • November 10, 2022

22. Rare Adventure Game

    By dhe, November 9, 2022
    • 3 replies
    • 423 views
    • 
    • ti99iuc
    • November 9, 2022

23. Sierra Creative Interpreter (SCI)

    By dhe, November 8, 2022
    • 1 reply
    • 192 views
    • 
    • ti99iuc
    • November 8, 2022

24. BIG 40, TI-99/4A Annual Chicago TI International World Faire 1 2

    By KB9ZQT, September 28, 2022
    • 27 replies
    • 1.7k views
    • 
    • arcadeshopper
    • November 8, 2022

25. Ti-99/4A possibly overheating?

    By Diesel419, October 26, 2022
    • 24 replies
    • 857 views
    • 
    • Duewester
    • November 5, 2022

26. 250 MB drives with a Myarc Geneve and a HFDC

    By Brufnus, October 24, 2022
    • 13 replies
    • 739 views
    • 
    • Brufnus
    • November 4, 2022

27. Interesting Article on the early days of computer games.

    By dhe, November 1, 2022
    • 2 replies
    • 338 views
    • 
    • sometimes99er
    • November 1, 2022

28. What's this look like to you?

    By unhuman, October 29, 2022
    • 1 reply
    • 349 views
    • 
    • jrhodes
    • October 29, 2022

29. Dreaming of TI99/4As ...

    By Nessus, October 28, 2022
    • 6 replies
    • 590 views
    • 
    • HOME AUTOMATION
    • October 29, 2022

30. Question about the PEB and disk controller

    By Tuxon86, October 25, 2022
    • 21 replies
    • 890 views
    • 
    • Tuxon86
    • October 28, 2022

31. Geneve Sync On Green option

    By Shift838, October 27, 2022
    • 7 replies
    • 552 views
    • 
    • Shift838
    • October 28, 2022

32. SID Master and all software packages by Marc Hull 1 2 3

    By Ksarul, November 6, 2019
    • 52 replies
    • 4.3k views
    • 
    • CosmicBoy
    • October 28, 2022

33. BackBit Pro Cartrdige for the TI-99/4A 1 2 3

    By Sid1968, July 3, 2022
    • 52 replies
    • 4.1k views
    • 
    • evietron
    • October 28, 2022

34. Latest acquisition

    By Shift838, October 27, 2022
    • 10 replies
    • 755 views
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    • Tuxon86
    • October 28, 2022

35. 32K Expansion Unit stopped working

    By mutantcamel1979, September 9, 2022
    • 14 replies
    • 900 views
    • 
    • mutantcamel1979
    • October 27, 2022

36. Integrating LoRa Devices with TI

    By SkyPilot, October 25, 2022
    • 6 replies
    • 441 views
    • 
    • arcadeshopper
    • October 26, 2022

37. Royal Alpha 2015 Printer Typewriter

    By Switch1995, September 1, 2022
    • 9 replies
    • 659 views
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    • Switch1995
    • October 26, 2022

38. Some noob questions

    By ray76it, October 23, 2022
    • 6 replies
    • 475 views
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    • ti99iuc
    • October 26, 2022

39. Can Someone please help me fix my ti-99/4a

    By h.conc, October 24, 2022
    • 2 replies
    • 586 views
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    • matthew180
    • October 25, 2022

40. Please Delete 1 2

    By cbmeeks, September 2, 2022
    • 28 replies
    • 1.9k views
    • 
    • TheMole
    • October 25, 2022

41. Is it time for another Wikipedia update? 1 2

    By Omega-TI, May 24, 2017   

    • TI-99/4A
    • Wikipedia
    • 27 replies
    • 1.9k views
    • 
    • palmheads
    • October 25, 2022

42. TI-99/4A ranked as #13 best home computer! 1 2

    By jrhodes, October 17, 2022
    • 28 replies
    • 1.5k views
    • 
    • Geoff Oltmans
    • October 24, 2022

43. MDOS+TIPI Step by step help needed!

    By Nick99, April 10, 2022
    • 19 replies
    • 724 views
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    • dhe
    • October 23, 2022

44. Memory full in metal TI-99 vs Classic 99 Emulator

    By charlietunaz, October 23, 2022
    • 4 replies
    • 359 views
    • 
    • pixelpedant
    • October 23, 2022

45. Geneve Floppy Formatting and File I/O devices

    By 9640News, October 12, 2022
    • 2 replies
    • 192 views
    • 
    • 9640News
    • October 22, 2022

46. What's the longest daisy chain you can achieve with a TI?

    By davidcalgary29, October 20, 2022
    • 14 replies
    • 733 views
    • 
    • Ksarul
    • October 22, 2022

47. New TI-99/4A owner here, with some questions.

    By Cheshire Noir, October 19, 2022
    • 21 replies
    • 758 views
    • 
    • mizapf
    • October 21, 2022

48. Is there any "Doom"-like games on the TI?

    By xabin, October 12, 2022
    • 18 replies
    • 935 views
    • 
    • OLD CS1
    • October 20, 2022

49. Texas Instruments TI-99/4 Promotional Materials - A Few Rather Interesting Documents

    By pixelpedant, October 14, 2022
    • 13 replies
    • 1.1k views
    • 
    • pixelpedant
    • October 20, 2022

50. Auctionzip.com

    By 9640News, August 4, 2022
    • 8 replies
    • 764 views
    • 
    • 9640News
    • October 19, 2022