TI-99/4A Development

2,808 topics in this forum

1. Some basic questions on cartridge pinouts

   By unebonnevie, March 15, 2015
   • 18 replies
   • 1.4k views
   • 
   • Opry99er
   • April 11, 2015

2. FORTRAN 4.4

   By atrax27407, April 8, 2015
   • 21 replies
   • 1.6k views
   • 
   • Opry99er
   • April 10, 2015

3. Orbit

   By Vorticon, March 22, 2015
   • 6 replies
   • 1.1k views
   • 
   • Vorticon
   • April 10, 2015

4. Release - Programs for Myarc XB (Advanced BASIC, ABASIC)

   By RobertLM78, July 11, 2014   

   • ABASIC
   • Myarc BASIC
   • (and 1 more)

     Tagged with:

     • ABASIC
     • Myarc BASIC
     • Advanced BASIC
   • 5 replies
   • 926 views
   • 
   • RobertLM78
   • April 10, 2015

5. What is retained? 1 2

   By Opry99er, April 4, 2015
   • 27 replies
   • 1.8k views
   • 
   • Opry99er
   • April 8, 2015

6. April BASIC demo

   By Asmusr, April 5, 2015
   • 13 replies
   • 1k views
   • 
   • Opry99er
   • April 6, 2015

7. Console power-up/reset code: set VDP RAM size code question

   By jbourke, April 5, 2015
   • 19 replies
   • 1.1k views
   • 
   • RXB
   • April 6, 2015

8. RTFM

   By Opry99er, April 5, 2015
   • 0 replies
   • 472 views
   • 
   • Opry99er
   • April 5, 2015

9. The Missing Link and Classic99 1 2 3 4

   By senior_falcon, June 29, 2014
   • 78 replies
   • 4.5k views
   • 
   • Opry99er
   • March 31, 2015

10. XB CALL LOADs

    By atrax27407, March 28, 2015
    • 6 replies
    • 1.2k views
    • 
    • sometimes99er
    • March 29, 2015

11. Magellan Editing (Baby Steps)

    By Opry99er, March 23, 2015
    • 19 replies
    • 1.5k views
    • 
    • OLD CS1
    • March 28, 2015

12. Syntax Error? 1 2

    By Opry99er, March 26, 2015
    • 40 replies
    • 1.9k views
    • 
    • senior_falcon
    • March 28, 2015

13. Feasibility study for a TMS9900 system ?

    By lezanderson, March 27, 2015
    • 4 replies
    • 796 views
    • 
    • lezanderson
    • March 27, 2015

14. ROM only cartridge headers

    By gregallenwarner, March 25, 2015
    • 4 replies
    • 869 views
    • 
    • senior_falcon
    • March 26, 2015

15. More than four sprites per line

    By hloberg, May 20, 2013   

    • sprites
    • programming
    • (and 1 more)

      Tagged with:

      • sprites
      • programming
      • assembler
    • 7 replies
    • 1.8k views
    • 
    • Tursi
    • March 26, 2015

16. Multi-Layer Sprites, where to go for info? 1 2

    By jdgabbard, March 11, 2015
    • 29 replies
    • 1.9k views
    • 
    • Tursi
    • March 22, 2015

17. My new project 1 2

    By Retrospect, March 18, 2015
    • 33 replies
    • 1.6k views
    • 
    • Retrospect
    • March 21, 2015

18. Bitmap mode. 1 2 3 4 11

    By bfollett, August 2, 2013
    • 267 replies
    • 21.9k views
    • 
    • sometimes99er
    • March 20, 2015

19. Mini Cortex project

    By lezanderson, March 20, 2015
    • 0 replies
    • 556 views
    • 
    • lezanderson
    • March 20, 2015

20. MESS discussion

    By Vorticon, March 19, 2015
    • 3 replies
    • 595 views
    • 
    • Vorticon
    • March 19, 2015

21. What is the pitch of the TI99/4A cartridge port?

    By unebonnevie, March 15, 2015
    • 1 reply
    • 512 views
    • 
    • Ksarul
    • March 16, 2015

22. What is the pitch of the TI99/4A expansion port?

    By unebonnevie, March 15, 2015
    • 4 replies
    • 649 views
    • 
    • unebonnevie
    • March 15, 2015

23. New Extended BASIC game: Kingdoms

    By adamantyr, November 8, 2014
    • 8 replies
    • 1.2k views
    • 
    • RXB
    • March 15, 2015

24. CRPG Saved Games

    By adamantyr, February 27, 2015   

    • TI-99/4a
    • CRPG
    • (and 1 more)

      Tagged with:

      • TI-99/4a
      • CRPG
      • Development
    • 9 replies
    • 1.6k views
    • 
    • Opry99er
    • March 14, 2015

25. Microcontroller programming

    By Vorticon, March 4, 2015
    • 18 replies
    • 1.5k views
    • 
    • Vorticon
    • March 13, 2015

26. Bacardi Breeze

    By sometimes99er, April 5, 2012
    • 19 replies
    • 2.3k views
    • 
    • OLD CS1
    • March 12, 2015

27. Unlock your SAMS with Forth!

    By Willsy, March 5, 2015   

    • forth sams
    • 22 replies
    • 1.4k views
    • 
    • RobertLM78
    • March 7, 2015

28. mini memory development?

    By palmheads, November 14, 2014
    • 10 replies
    • 1.3k views
    • 
    • Omega-TI
    • March 4, 2015

29. F18A 3D graphics

    By Asmusr, January 8, 2015
    • 24 replies
    • 3.1k views
    • 
    • mäsäxi
    • March 3, 2015

30. The Complete Noob & Idiots Guide to E/A programming... 1 2 3 4 5

    By Omega-TI, January 21, 2015
    • 103 replies
    • 7.4k views
    • 
    • palmheads
    • February 22, 2015

31. Finally a new Editor Assembler for the TI99/4A

    By RXB, February 3, 2015   

    • REA 2015 BETA
    • 17 replies
    • 3.4k views
    • 
    • hloberg
    • February 20, 2015

32. Using the Ti-99 expansion port 1 2

    By Videogamecollector123, October 8, 2013
    • 40 replies
    • 3.6k views
    • 
    • Omega-TI
    • February 18, 2015

33. How about a Debugger tutorial?

    By Gazoo, February 8, 2015
    • 13 replies
    • 1k views
    • 
    • mizapf
    • February 16, 2015

34. Using xdt99 & Programming Sprites in Mini Memory tutorial from 99ner mag

    By palmheads, January 31, 2015
    • 0 replies
    • 660 views
    • 
    • palmheads
    • January 31, 2015

35. GK Image to Supercart

    By acadiel, January 30, 2015
    • 5 replies
    • 856 views
    • 
    • Schmitzi
    • January 31, 2015

36. Creating memory image files that use entire lower 8K RAM

    By adamantyr, January 20, 2015
    • 18 replies
    • 1.2k views
    • 
    • Lee Stewart
    • January 23, 2015

37. First person shooter on the TI? :) 1 2 3 4 5

    By Bones-69, April 12, 2013
    • 112 replies
    • 9.6k views
    • 
    • OLD CS1
    • January 20, 2015

38. Using the TMS9901 as a timer

    By retroclouds, December 14, 2014   

    • TMS9901
    • game loop
    • (and 1 more)

      Tagged with:

      • TMS9901
      • game loop
      • event timer
    • 18 replies
    • 1.7k views
    • 
    • apersson850
    • January 12, 2015

39. WinAsm99 Assembler COPY directive limitations

    By OLD CS1, January 4, 2015
    • 10 replies
    • 1.1k views
    • 
    • Tursi
    • January 5, 2015

40. CALL LOAD question

    By acadiel, December 31, 2014
    • 3 replies
    • 1.1k views
    • 
    • Lee Stewart
    • January 1, 2015

41. EA Cart/GROM

    By acadiel, December 19, 2014   

    • wanted
    • 19 replies
    • 1.7k views
    • 
    • UKRetrogamer
    • December 31, 2014

42. Small assembly language demo

    By retroclouds, December 28, 2014   

    • speech
    • tms9900
    • (and 2 more)

      Tagged with:

      • speech
      • tms9900
      • spectra2
      • 8K ROM
    • 18 replies
    • 2k views
    • 
    • retroclouds
    • December 30, 2014

43. Dark Star

    By sometimes99er, May 17, 2012
    • 16 replies
    • 2.1k views
    • 
    • atrax27407
    • December 29, 2014

44. Keyboard double-tapping

    By xjas, December 28, 2014
    • 4 replies
    • 959 views
    • 
    • Willsy
    • December 28, 2014

45. Linking loader for PC

    By Asmusr, September 5, 2014
    • 10 replies
    • 1.3k views
    • 
    • retroclouds
    • December 26, 2014

46. Classic99 CPU bug? 1 2

    By Torrax, January 8, 2013
    • 41 replies
    • 2.5k views
    • 
    • Tursi
    • December 17, 2014

47. Thierry Nouspikel's TI-99-4A Tech Pages 1 2

    By Lee Stewart, December 9, 2014
    • 25 replies
    • 2.4k views
    • 
    • mizapf
    • December 16, 2014

48. Territory - new XB game in progress

    By InfernalKeith, September 1, 2014
    • 17 replies
    • 1.2k views
    • 
    • OLD CS1
    • December 16, 2014

49. Writing to the NanoPEB Serial Port in Assembler

    By Stuart, December 14, 2014
    • 6 replies
    • 731 views
    • 
    • mizapf
    • December 14, 2014

50. IV254

    By senior_falcon, December 7, 2014
    • 23 replies
    • 1.8k views
    • 
    • senior_falcon
    • December 14, 2014