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Droid 99

Texas Instruments TI-99/4A System Emulator
Check out the website:www.ericlorimer.com/droid99/

Original TI-99/4A emulator. Emulates the VDP (graphics), CPU, keyboard, joystick, sound and one 180K disk drive. Enough to bring you back to 1981. Working cartridges: Demonstration, Parsec, TI Invaders, many others. A few known bugs but should be functional. Developed and tested on a Toshiba Thrive and a 2012 Nexus 7. Other devices should work with varying levels of performance.

Source code is available on github:https://github.com/elorimer/droid99

The included ROMs are distributed *WITH
* permission from Texas Instruments for use with this emulator.

Enjoy!

Category : Entertainment

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Reviews (29)

Cha. C. Apr 22, 2016     

Text is so severely scrambled, that it almost looks like it's been designed by aliens 👽

Dat. S. Oct 21, 2015     

CanNOT move & fire at same time like you could with real TI-99

Ste. A. Mar 26, 2016     

This is pretty much unusable on a 2013 nexus 7 with latest os. Text is unreadable and graphics are a bit messed up.

A. G. u. Jul 27, 2015     

The screen is all garbled and you cant make out anything.

Ala. B. Mar 20, 2015     

I will echo the other comments about the joysticks and keyboard (Function Key especially), but this works well on my Note 4

Myt. May 22, 2016     

I dont see any cartidges and only basic and demo are there. if i could save with basic i could live with it. :(

Yor. 4. Jun 10, 2015     

Awesome job, glad to see interest in this system! Tunnels of Doom needs to be able to load quest and pennies files to be playable and better controller layout ftw! Samsung Galaxy S5

sco. m. Aug 25, 2015     

used to be pretty good. but on new devices the screen is reversed or backwards. not usable now. needs to be updated for newer devices or newer Android.

And. W. Mar 1, 2017     

Does not display properly, everything is garbled on every device I've tried it on.

And. W. Apr 19, 2015     

The small controls make it impossible to control. Should take a look at the zx spectrum emulator, that isn't to bad to control. Also loading the games from tape or diskette does not work. More work needed, in my opinion.

Mar. S. Dec 9, 2017     

Great idea but latest Android stops it working properly. Please sort it. Would be happy to pay for this app if it worked.

Rob. C. Jul 9, 2016     

Text not readable on Samsung Galaxy. Such a shame. Otherwise a wonderful product.

Chr. G. Jul 25, 2015     

Worked perfectly until I installed the update to Lollipop... 5.1 features scrambled graphics and an unusable emulator...

J. J. Dec 16, 2015     

lollipop broke it!! up until that point i was reliving my heyday of being a mouse running away from giant floating cat heads. i keep coming back every month or so to see if there's a fix, but nothing yet.

Sco. L. Sep 24, 2016     

Only works correctly with Jellybean or lower. Will not work correctly with Marshmallow devices. Developer please rectify issues please.

Dav. G. Nov 27, 2014     

Awesome! Takes me back. However, putting the Fire button in the middle of the joystick makes it hard to use.

K. C. Mar 19, 2016     

Galaxy S6 active running lollipop. Graphics jumbled.

Jer. S. Jul 10, 2015     

What a shame, I was looking forward to this!

A. G. u. Oct 23, 2017     

I cannot load up a game and I am stuck on a garbled startup screen.

S. Apr 6, 2016     

Please fix this on lollipop and galaxy s4 (sprint 720T). Graphics distorted and unreadable.

Ed. W. Apr 28, 2016     

The graphics are all scrambled. Text is unreadable. Galaxy Note 4 running Lollipop. Author appears to have abandoned. Update: running Marshmallow on a Galaxy S6 Edge and still doesn't work. Graphics got even worse. Still now support from dev.

Cap. E. Dec 1, 2017     

Emulates the garbled screen you would get when a cartridge wasn't read correctly. Other than that, it's unusable. Shame.

lor. v. Oct 15, 2014     

FCTN + arrows partially working to delete characters in Ti basic (i.e. you cannot hold FCTN and arrow to go back and forward thus having to press it each time you need to delete a single character), and the last line of characters is a bit truncated at the bottom of the screen when using Ti basic, plus the joystick buttons are to small for android phones, can be made bigger for better gameplay; great work, way to go !!!

Eri. S. Aug 12, 2015     

Doesn't seem to work on newer versions of Android. Is this project abandoned? The author never responds to reviews and his site is down.

Leo. R. Sep 12, 2016     

Graphics problems on KitKat and higher. Unusable.

Jop. O. Mar 11, 2015     

Needs better joystick option. Also support a Bluetooth controler for a joystick.

Ric. P. Aug 18, 2015     

I'm glad to finally have a TI99 emulator. Works great! *Although seems broken since I updated to lollipop. Hope it's fixed soon!

SIM. R. May 20, 2016     

Image is garbled and the text is unrecognizable. But it seems to be working.

Spi. H. Sep 17, 2016     

Just corrupted text. Shame