TI-99/4A FAQ: Supercart

The Supercart adds 8K of battery-backed RAM to the Editor/Assembler module. The utility of this device derives in large part from its capacity to provide E/A module menu access to assembly language software. In effect, this means you can write your own 8K battery-backed command module software.

Do it yourself projects:

  • http://www.mainbyte.com/ti99/supercart/supercart.html
  • http://www.mainbyte.com/ti99/supercart/supercart_4bank.html

Purchase a pcboard for this:

There were commercial products available on the market for a time in the 80’s as well.


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