TI-99/4A Development

2,751 topics in this forum

1. Idea: new Mini Memory cartridge

   By FarmerPotato, January 29
   • 7 replies
   • 378 views
   • 
   • retrodroid
   • January 30

2. Mini Memory "Ground Force Zero" game 1 2

   By Retrospect, January 28
   • 26 replies
   • 546 views
   • 
   • RXB
   • January 29

3. T40XB forgets previous GOSUB when calling PRINT of multiple lines

   By AlexJ, January 28
   • 5 replies
   • 150 views
   • 
   • AlexJ
   • January 28

4. Binary file read

   By Vorticon, January 20
   • 17 replies
   • 331 views
   • 
   • Tursi
   • January 22

5. AMD discontinues Xilinx XC9500XL, CoolRunner II, Spartan 3

   By FarmerPotato, January 18
   • 3 replies
   • 191 views
   • 
   • matthew180
   • January 19

6. Sublime 99 Demo

   By Retrospect, January 17
   • 15 replies
   • 592 views
   • 
   • OLD CS1
   • January 20

7. Doing it the hard way.

   By Retrospect, January 12
   • 8 replies
   • 357 views
   • 
   • Retrospect
   • January 14

8. Small DC-DC Converters

   By Kchula-Rrit, January 12   

   • power
   • dc converter
   • 0 replies
   • 106 views
   • 
   • Kchula-Rrit
   • January 12

9. Quick Reference Card: Geneve 2020, Geneve 9640, everything 9900

   By FarmerPotato, January 10
   • 4 replies
   • 312 views
   • 
   • Ksarul
   • January 12

10. The TMS9900 Cheat-Sheet 1 2

    By SteveB, January 7
    • 27 replies
    • 1.1k views
    • 
    • TheBF
    • March 19

11. large files 1 2 3 4 5

    By mrvan, January 3
    • 109 replies
    • 2.3k views
    • 
    • mrvan
    • February 2

12. FinalGROM: Atmel 1284P as drop-in replacement for the Atmel 328P

    By retroclouds, December 29, 2023   

    • finalgrom
    • atmel 328p
    • (and 1 more)

      Tagged with:

      • finalgrom
      • atmel 328p
      • atmel 1284p
    • 1 reply
    • 163 views
    • 
    • brain
    • December 29, 2023

13. Favorite book 1 2

    By Appeelicious, December 25, 2023
    • 44 replies
    • 1.2k views
    • 
    • apersson850
    • January 10

14. Tesseract rendered on TI 1 2

    By Reciprocating Bill, December 24, 2023
    • 27 replies
    • 829 views
    • 
    • Reciprocating Bill
    • January 19

15. Multiple animated objects in console basic

    By tibasic, December 17, 2023
    • 4 replies
    • 313 views
    • 
    • RXB
    • January 18

16. Pi Pico[W] Peripheral Expansion Box Side Port Device 1 2 3 4 15

    By JasonACT, December 11, 2023
    • 354 replies
    • 8.7k views
    • 
    • JasonACT
    • Yesterday at 07:55 AM

17. Mathlab on your TI99 -> math graphics functions on TI99/4A using TML

    By fablug, December 9, 2023   

    • missing link
    • graph function
    • (and 3 more)

      Tagged with:

      • missing link
      • graph function
      • graphics
      • mathematics
      • math
    • 13 replies
    • 630 views
    • 
    • apersson850
    • December 18, 2023

18. reading a file in BASIC

    By AlexJ, December 9, 2023
    • 10 replies
    • 425 views
    • 
    • apersson850
    • December 20, 2023

19. Tang 20K and the Geneve

    By RickyDean, December 5, 2023
    • 21 replies
    • 646 views
    • 
    • RickyDean
    • January 22

20. Solder paste

    By RickyDean, November 28, 2023
    • 5 replies
    • 290 views
    • 
    • FarmerPotato
    • November 30, 2023

21. Where to have a PC board made in the US?

    By Kchula-Rrit, November 25, 2023
    • 23 replies
    • 695 views
    • 
    • Kchula-Rrit
    • December 30, 2023

22. While looking for an EPROM eraser I found this...

    By Kchula-Rrit, November 16, 2023
    • 11 replies
    • 434 views
    • 
    • Tursi
    • December 9, 2023

23. Joining the small rank of Ubergrom builders.

    By RickyDean, November 11, 2023
    • 1 reply
    • 160 views
    • 
    • Ksarul
    • November 11, 2023

24. Self Learning Kicad as I design a FDC/IO card 1 2

    By RickyDean, October 31, 2023
    • 38 replies
    • 1.2k views
    • 
    • matthew180
    • April 12

25. "Acceptable" level of power-supply noise for a console?

    By Kchula-Rrit, October 29, 2023
    • 22 replies
    • 586 views
    • 
    • Kchula-Rrit
    • January 7

26. Sprite sheets?

    By Boschloo, October 27, 2023
    • 9 replies
    • 608 views
    • 
    • unhuman
    • November 9, 2023

27. Audio to speech with ConvertWavToLpc

    By Eric Lafortune, October 24, 2023
    • 4 replies
    • 305 views
    • 
    • Tursi
    • October 25, 2023

28. Method for consistent timing

    By mrvan, October 23, 2023
    • 23 replies
    • 634 views
    • 
    • mrvan
    • October 31, 2023

29. Calculate DSK file offset from track, sector and side

    By khanivore, October 22, 2023
    • 16 replies
    • 516 views
    • 
    • chris36
    • October 27, 2023

30. Prototyping board for cartridges?

    By Kchula-Rrit, October 20, 2023   

    • prototype cartridge grom
    • 3 replies
    • 202 views
    • 
    • Kchula-Rrit
    • October 20, 2023

31. PROM programmer suggestions?

    By Kchula-Rrit, October 15, 2023   

    • prom eprom
    • 18 replies
    • 728 views
    • 
    • Kchula-Rrit
    • November 18, 2023

32. Munch Man source as text

    By dasch, October 10, 2023
    • 21 replies
    • 1.1k views
    • 
    • dasch
    • October 25, 2023

33. XB ROMs using a known symbol

    By RXB, October 9, 2023
    • 18 replies
    • 782 views
    • 
    • RXB
    • October 20, 2023

34. PEB USB card

    By Vorticon, October 5, 2023
    • 20 replies
    • 549 views
    • 
    • F.G. Kaal
    • October 8, 2023

35. Keyboard reading discrepancy between emulators

    By TheMole, October 4, 2023   

    • js99er
    • mess
    • (and 1 more)

      Tagged with:

      • js99er
      • mess
      • bulwip
    • 4 replies
    • 266 views
    • 
    • PeteE
    • October 4, 2023

36. New IDE Card 1 2

    By Shift838, October 3, 2023
    • 33 replies
    • 1.2k views
    • 
    • Shift838
    • October 23, 2023

37. Headphones for an F18A console

    By Asmusr, September 30, 2023
    • 14 replies
    • 492 views
    • 
    • Tursi
    • October 31, 2023

38. Creating chained cartridges in XB2.9 G.E.M.

    By jschultzpedersen, September 24, 2023
    • 3 replies
    • 327 views
    • 
    • jschultzpedersen
    • September 28, 2023

39. dsrlnk Toward a Better (and Better-Documented) DSRLNK 1 2 3 4

    By Lee Stewart, September 20, 2023   

    • assembly
    • assembler
    • 85 replies
    • 2.6k views
    • 
    • TheBF
    • March 22

40. New IDE card design interest check

    By Shift838, September 20, 2023
    • 20 replies
    • 754 views
    • 
    • Shift838
    • September 28, 2023

41. MG Explorer cartridge version question

    By jschultzpedersen, September 13, 2023
    • 5 replies
    • 342 views
    • 
    • jschultzpedersen
    • September 14, 2023

42. Hello, and yet another emulator

    By khanivore, September 10, 2023
    • 13 replies
    • 756 views
    • 
    • cbmeeks
    • September 30, 2023

43. some fade in from left to right & wip

    By hloberg, September 3, 2023
    • 16 replies
    • 580 views
    • 
    • hloberg
    • September 12, 2023

44. Mine Run ... a TI basic game

    By Retrospect, September 3, 2023
    • 7 replies
    • 422 views
    • 
    • Retrospect
    • September 3, 2023

45. GCC, libti99 and speech

    By mrvan, September 1, 2023
    • 8 replies
    • 518 views
    • 
    • mrvan
    • September 19, 2023

46. Basic Programming Question 1 2

    By 9640News, August 26, 2023
    • 26 replies
    • 957 views
    • 
    • apersson850
    • August 28, 2023

47. Shit House Blues!

    By Retrospect, August 24, 2023
    • 18 replies
    • 1.2k views
    • 
    • OLD CS1
    • August 28, 2023

48. Looking for someone to work with for a game 1 2 3

    By 99V, August 21, 2023
    • 72 replies
    • 2.7k views
    • 
    • Albert
    • August 27, 2023

49. Cargo Lander

    By tibasic, August 10, 2023   

    • console basic
    • 7 replies
    • 631 views
    • 
    • senior_falcon
    • August 18, 2023

50. Easing my way back in.... 1 2

    By Retrospect, August 9, 2023
    • 25 replies
    • 919 views
    • 
    • Retrospect
    • August 15, 2023