The speech chip used in the ti994a speech synthesizer was designed around 19761977. Classic99 is a open source texas instruments ti99 4a emulator for windows 2000 and up. The program supports a disk drive, sound, and you can even load your own roms, and disk. Jedimatt42 retrocomputing fun for ti994a, msx, tomy. Classic99 texas instruments ti994a downloads emulators.
A trimmed down version was used in ti s famous speak and spell toy. Boots and runs all console rom and grom based functions including console basic. Texas instruments, ti, and ti 99 4a are all trademarks or service marks of texas instruments inc. This is the latest incarnation of an emulator for the ti 99 4a that ive been working on, on and off, since 1993. I could not get the ti 99 4 to load, but the 4a and 4a v2. Well, heres my contribution to the ti 99 4a community.
I ran it on a an xp system, and it never locked up. Retrocomputing fun for ti994a, msx, tomy tutor, geneve 9640, and whatever else catches my interest. Open source but restrictive license emulator including roms licensed by texas instruments see documentation for license and restrictions. I would be remiss not to mention the driving motivation for continuing to work on the emulator at all in the 2000s, after my original ti994a became mostly unusable no access to a tv or monitor with rca connectors, for example thierry nouspikels excellent compendium of technical data, the ti994a tech pages. Further ti 99 4a manuals available in 1037109 style.
The sound worked great, though there appears to be no support for speech yet. System roms and many cartridges are included under license from texas instruments. It was written to simulate the ti 99 4a, not to emulate it perfectly. Phm 3024 indoor soccer different blackwhite 99 4a manual. Win994a is a ti994a simulator written by cory burr that installs and runs in the windows environment. At first is was a simple textbased simulation of the ti. Just ordered a speech synthesizer module and te2 from ebay. A few years back, i thought it would be neat to be able to play my old ti games on my pc. Texas instruments has granted written permission to email protected to post 99 4a documentation on this website.
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