TI-99/4A Development

2,145 topics in this forum

1. RXB SAMS Game (In the Dark) 1 2 3

   By RXB, June 14, 2013   

   • RXB
   • SAMS Game
   • 50 replies
   • 3,606 views
   • 
   • Tursi
   • March 16, 2019

2. Wanted Replacement PAL Chip CorComp FDC 1985 rev A U12 1 2

   By TI998owner, February 27, 2019   

   • Pal Chip U12 PLS153AN
   • 41 replies
   • 1,135 views
   • 
   • helocast
   • March 13, 2019

3. internal 16 bit 32K upgrade 1 2

   By JamesD, December 15, 2012
   • 41 replies
   • 4,603 views
   • 
   • dhe
   • March 8, 2019

4. FlyGuy II 1 2 3 4 5

   By matthew180, March 8, 2010
   • 106 replies
   • 6,998 views
   • 
   • matthew180
   • March 1, 2019

5. Pyjamarama 1 2 3 4

   By Asmusr, November 30, 2018
   • 84 replies
   • 3,626 views
   • 
   • acadiel
   • February 27, 2019

6. Converting data on tape to digital data

   By Stuart, February 25, 2019
   • 3 replies
   • 199 views
   • 
   • HOME AUTOMATION
   • February 27, 2019

7. Using the full 32K for an XB program 1 2

   By senior_falcon, February 19, 2019
   • 27 replies
   • 894 views
   • 
   • OLD CS1
   • February 26, 2019

8. SuperSave - Save EA3 files as EA5 files

   By FarmerPotato, January 14, 2019
   • 8 replies
   • 378 views
   • 
   • FarmerPotato
   • February 24, 2019

9. Communicate without RS-232 1 2

   By cbmeeks, February 8, 2019
   • 29 replies
   • 657 views
   • 
   • HOME AUTOMATION
   • February 23, 2019

10. Interrupt Service Routine and the RS232 1 2 3

    By InsaneMultitasker, March 8, 2016   

    • RS232
    • interrupts
    • (and 2 more)

      Tagged with:

      • RS232
      • interrupts
      • ISR
      • TIMXT
    • 68 replies
    • 3,546 views
    • 
    • TheBF
    • February 22, 2019

11. memory mapped device without CRU? enablement or with < 0x1000 crubase

    By jedimatt42, February 17, 2019
    • 8 replies
    • 208 views
    • 
    • Lee Stewart
    • February 18, 2019

12. Example of how to use DSR functions from GCC - Reading GPL 3.0

    By tschak909, February 17, 2019   

    • programming example
    • gcc
    • (and 2 more)

      Tagged with:

      • programming example
      • gcc
      • dsrlnk
      • dsr
    • 1 reply
    • 474 views
    • 
    • tschak909
    • February 18, 2019

13. hacking on a scanline fill for libti99

    By tschak909, February 15, 2019
    • 6 replies
    • 193 views
    • 
    • Tursi
    • February 17, 2019

14. rectangle fill routine for graphics 2 mode?

    By tschak909, February 4, 2019
    • 19 replies
    • 578 views
    • 
    • Asmusr
    • February 15, 2019

15. Which BASIC?

    By cbmeeks, February 8, 2019
    • 21 replies
    • 525 views
    • 
    • Casey
    • February 15, 2019

16. Using the RS232 DSR

    By tschak909, January 17, 2019
    • 17 replies
    • 441 views
    • 
    • arcadeshopper
    • February 12, 2019

17. Diode for Myarc 512K for Geneve conversion

    By BeeryMiller, February 10, 2019
    • 3 replies
    • 131 views
    • 
    • BeeryMiller
    • February 10, 2019

18. 2 off V9938's up for grabs

    By Stuart, February 9, 2019
    • 3 replies
    • 85 views
    • 
    • Stuart
    • February 9, 2019

19. IEEE-488 card with TMS9914A controller

    By FarmerPotato, February 8, 2019
    • 6 replies
    • 181 views
    • 
    • Ksarul
    • February 9, 2019

20. New TI Basic game: Skier 99

    By tibasic, January 29, 2019
    • 15 replies
    • 673 views
    • 
    • tibasic
    • February 8, 2019

21. Better keyboard scanning?

    By tschak909, February 7, 2019
    • 1 reply
    • 102 views
    • 
    • jedimatt42
    • February 7, 2019

22. simple beeps with libti99?

    By tschak909, February 5, 2019
    • 8 replies
    • 167 views
    • 
    • Tursi
    • February 6, 2019

23. Dicecrash - new game in Extended BASIC 1 2

    By InfernalKeith, November 18, 2015
    • 37 replies
    • 2,061 views
    • 
    • Opry99er
    • February 6, 2019

24. V9938 Text Pages

    By BeeryMiller, February 5, 2019
    • 6 replies
    • 212 views
    • 
    • BeeryMiller
    • February 6, 2019

25. Detecting Extended BASICs 1 2 3

    By ralphb, January 30, 2019   

    • XB
    • 52 replies
    • 963 views
    • 
    • ralphb
    • February 4, 2019

26. 6 Button Gamepad for the TI-99/4a 1 2

    By Sinphaltimus, June 4, 2017   

    • gamepad
    • 6 button
    • (and 2 more)

      Tagged with:

      • gamepad
      • 6 button
      • joystick
      • adaptor
    • 25 replies
    • 2,540 views
    • 
    • Ksarul
    • February 3, 2019

27. Debugger cartridge? Suggestions please

    By FarmerPotato, January 25, 2019
    • 11 replies
    • 382 views
    • 
    • BeeryMiller
    • February 2, 2019

28. CRU Availability of bits in console CRU?

    By hhos, January 1, 2019   

    • CRU
    • console upgrades
    • (and 1 more)

      Tagged with:

      • CRU
      • console upgrades
      • console mods
    • 7 replies
    • 338 views
    • 
    • apersson850
    • January 30, 2019

29. Upgrade Fully populated Scratch Pad for Ballmann-Clulow 32K mem expansion

    By hhos, January 21, 2019   

    • Upgrade
    • Memory expansion
    • (and 1 more)

      Tagged with:

      • Upgrade
      • Memory expansion
      • console
    • 11 replies
    • 502 views
    • 
    • apersson850
    • January 29, 2019

30. Learning assembly - porting Thrust to the TI-99/4a 1 2 3

    By palmheads, March 10, 2015
    • 73 replies
    • 5,396 views
    • 
    • GDMike
    • January 27, 2019

31. Magellan and Java

    By cbmeeks, January 22, 2019   

    • magellan
    • java
    • 11 replies
    • 308 views
    • 
    • Asmusr
    • January 25, 2019

32. EA3 and EA5?

    By cbmeeks, January 24, 2019
    • 4 replies
    • 164 views
    • 
    • adamantyr
    • January 24, 2019

33. Turmoil clone 1 2

    By PeteE, December 25, 2018
    • 28 replies
    • 1,435 views
    • 
    • BuckoBrand
    • January 24, 2019

34. V9938 Programmer's Reference

    By BeeryMiller, January 22, 2019
    • 4 replies
    • 149 views
    • 
    • hhos
    • January 23, 2019

35. Night Stalker - (XB256 compiled) FINAL VERSION 1 2 3 4 6

    By LASooner, March 6, 2018
    • 146 replies
    • 7,059 views
    • 
    • ti99iuc
    • January 23, 2019

36. 99tro demo in EA5 format?

    By jrhodes, July 28, 2018
    • 4 replies
    • 517 views
    • 
    • FarmerPotato
    • January 22, 2019

37. Convert EA3 to EA5 / run EA3 from cassette in XB? 1 2

    By jrhodes, January 13, 2019
    • 27 replies
    • 626 views
    • 
    • Tursi
    • January 20, 2019

38. Simple 8k supercart process

    By GDMike, January 17, 2019
    • 2 replies
    • 63 views
    • 
    • GDMike
    • January 17, 2019

39. multiply by .0375

    By tschak909, January 16, 2019
    • 20 replies
    • 418 views
    • 
    • adamantyr
    • January 17, 2019

40. A better CALL COINC (For XB compiler?)

    By Bones-69, January 11, 2019
    • 13 replies
    • 487 views
    • 
    • Bones-69
    • January 16, 2019

41. DSR error 0094 when I try to use COPY directive in E/A II 1 2 3 4

    By hhos, December 7, 2018
    • 77 replies
    • 1,959 views
    • 
    • hhos
    • January 15, 2019

42. Are the schematics of TI99/4A accurate? Schematics for beige console

    By hhos, January 9, 2019   

    • Schematics
    • 10 replies
    • 536 views
    • 
    • fabrice montupet
    • January 13, 2019

43. TMS9900 data bus during instruction execution

    By FarmerPotato, January 7, 2019   

    • tms9900
    • cpu
    • 6 replies
    • 346 views
    • 
    • mizapf
    • January 9, 2019

44. 9938 Programming

    By BeeryMiller, February 21, 2018
    • 6 replies
    • 510 views
    • 
    • InsaneMultitasker
    • January 3, 2019

45. Linux-like OS for the TI 1 2

    By insomnia, September 1, 2018
    • 45 replies
    • 2,182 views
    • 
    • hhos
    • January 2, 2019

46. TI Invaders (hacked) 1 2 3 4

    By sometimes99er, July 3, 2012   

    • game
    • cartridge
    • (and 1 more)

      Tagged with:

      • game
      • cartridge
      • hack
    • 84 replies
    • 10,121 views
    • 
    • twoodland
    • January 1, 2019

47. TI-99/4A Theremin

    By Stuart, December 29, 2018
    • 10 replies
    • 279 views
    • 
    • Stuart
    • December 30, 2018

48. F18A 30 rows/80 columns mode?

    By retroclouds, December 2, 2018   

    • F18A
    • 30 rows/80 columns
    • (and 2 more)

      Tagged with:

      • F18A
      • 30 rows/80 columns
      • 9900
      • asm
    • 14 replies
    • 543 views
    • 
    • matthew180
    • December 29, 2018

49. F18A high-resolution timer

    By retroclouds, December 24, 2018   

    • f18a
    • high-resolution timer
    • 3 replies
    • 247 views
    • 
    • matthew180
    • December 29, 2018

50. 80 columns with XB

    By senior_falcon, December 24, 2018
    • 2 replies
    • 149 views
    • 
    • arcadeshopper
    • December 26, 2018