***
![ti-99-logo](https://cloud.githubusercontent.com/assets/10035308/15901958/cd2fe5dc-2d62-11e6-9c22-7213d37ebc89.png)
***
_The TI-99/4A was a home computer originally released by the Texas Instruments in 1981._
***

| Emulator | Rom Folder | Extension | BIOS |  Controller Config |
| :---: | :---: | :---: | :---: | :---: |
| [ti99sim](http://www.mrousseau.org/programs/ti99sim/) | ti99  | .ctg | TI-994A.ctg | hardcoded |

## Emulator: [ti99sim](http://www.mrousseau.org/programs/ti99sim/)

## ROMS
Accepted File Extensions: **.ctg**

Place your TI-99 ROMs in
```
/home/pi/RetroPie/roms/ti99
```

## BIOS

The file needed is **TI-994A.ctg** (CASE SENSITIVE!)

Place your TI-994A.ctg BIOS file in
```
/home/pi/RetroPie/BIOS
```

## INSTALLATION INSTRUCTIONS (VERSION 2.0)
TI-99/Sim v0.14.0 and RetroPie V3.8.1

[Updated Installation Instruction V.20](http://www.globeron.com/freedownload/services/TI99/TI-99-Sim-Installation-on-RaspberryPI2ModelB-RetroPieV381-DocV2.pdf)

<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/3BT6eXlbO-Q" title="TI-99/4A on the RetroPie (using TI-99/Sim) - Setup and installation" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; allowfullscreen"></iframe>

[Installation Instructions v1.0 (AtariAge)](http://atariage.com/forums/topic/250767-how-to-install-ti-994a-ti-99sim-on-retropie-v36-raspberry-pi2-or-pi3/#entry3491795)