If you have a working copy of v9t9, instructions are included to help you create the required cartridge. Please don't e-mail me asking for a copy - I won't even bother to respond. Texas Instruments will not allow these to be distributed, so you'll need to find a way to get them yourself. Note: In order to run the emulator, you need to create a cartridge that contains the console ROM & GROMs from the TI.
In the spirit of Linux and Open Source, I'm releasing the code under the GPL license. Now I've decided to try my hand at a Linux/cross-platform version. When I got bored with that, I ported it to Windows and added sound support. Then I added graphical support for the OS/2 Presentation Manager. At first is was a simple text-based simulation of the TI. Instead of doing the smart thing (looking for an existing emulator), I sat down and wrote my own. A few years back, I thought it would be neat to be able to play my old TI games on my PC.
Well, here's my contribution to the TI-99/4A community.