That thing reminds me of a Commodore 64 I bought at a yard sale a long time ago. No idea what happened to it.....

i think i;m gonna get some stainless cleaner from work and give it some spit shine.

When I was in 1st grade my school and a friend from school each had a TI-99/4A, so it was one of the earlier home computers I was interested in. My friend even had that Parsec game!

yeah, the red box is the parsec game. if i had a power adapter i might still be able to play it.

Search for documentation and look up the specs on the brick. It'll probably be something you can find at Radio Shack. One of my kids had one, but all of the add-ons were priced far too dearly, and he just wasn't that technically inclined.

it has 3,3 mhz cpu ram is pretty much the only upgrade other than the monitor and component upgrade box i think i'll probably sell it once i findthe shipping materials or locally.

This computer game is based on BrainTeaser by Wim Nijland (1993 year).
Choose digits from 1 to 9, split by reaction method into three groups (1-3-7-9, 2-4-6-8, and 5).
The goal is to display all digits except 5, without letting the field be cleared.

Source code —

Tokenized file —

Floppy disk image —

1OLD DSK0.BT

You might consider a tool called 'CS1er'.

http://pokeystuff.azurewebsites.net/cs1er/

It can produce .wav file output suitable for a 994A's cassette port.

I have confirmed that walmart Onn brand shoebox cassette recorders can work with a 4A.

Other people have had luck with portable MP3 players that can playback .wav files.