MDOS is the basic operating system (Geneve Operating System) allowing both MDOS programs, and via the GPL Intrepter, the emulation of the TI-99/4A with most existing TI-99/4A hardware.
A manual can be obtained under the Manuals tab above.
![](https://www.9640News.com/wp-content/uploads/2021/04/MDOS730-1024x764.jpg)
Supporting the Myarc Geneve 9640
MDOS is the basic operating system (Geneve Operating System) allowing both MDOS programs, and via the GPL Intrepter, the emulation of the TI-99/4A with most existing TI-99/4A hardware.
A manual can be obtained under the Manuals tab above.