2 ms·

Cool! I just wrote my first assembly program for the TI-99/4A, and am working on a TMS9900 assembler.

• classichasclass 3y ago
  (author) I thought AS worked pretty well. The syntax is a little idiosyncratic but it "just worked" once I learned its pet peeves, and it seems to have specific support for the added 9995 instructions.
  • bitwize 3y ago
    I used AS to write the program, and it is my "reference assembler" for the one I am writing. I just wanted to see if I could write a working retro assembler.
  • cpswan 3y ago
    Have you found your way to Stuart Conner's page? http://www.stuartconner.me.uk/ http://www.stuartconner.me.uk/ Lots of resources on the original TI dev boards and tools for TMS99Xx.
    • nickt 3y ago
      Thank you, that’s a great site. There goes my Sunday morning!