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Description

  

 This is a Texas Instruments

MINI MEMORY CARTRIDGE  WITH ORIGINAL MANUAL
& 
LINE-BY-LINE ASSEMBLER CASSETTE TAPE WITH A COPIED MANUAL
for the TI-99/4 or TI 99/4A Home Computers.
 
 
 
 

 

It is an entertainment accessory module and with speech added to the computer it makes games better.
 
 
 An expansion module that increases the memory capacity and power of your computer with these features:
 
4K bytes of Random Access Memory (RAM) for program and data storage,
4K bytes of Read Only Memory (ROM), and
8K bytes of Graphic. Read Only Memory (GROM).
 
Contains additional TI BASIC subprograms and utility routines that allow you to load and link BASIC programs to assembly language subprograms, to access the machine resources of your computer, and to address the Memory Expansion unit (sold separately) from a Ti BASIC program.
 
Has a built-in battery to preserve data or programs stored in the module, even when you remove the module from the computer or turn the computer off.  
 
Allows you to troubleshoot your assembly language programs by means of the EASY BUG debugging program.
 
Comes with a cassette-based Line-by-Line Symbolic Assembler that makes it possible for you to create your own assembly language programs.

 

 

 Note: Battery has been replaced and a Battery Button Cell Holder socket has been installed.  This will eliminate the need to unsolder / solder a new battery installation.
No modifications will be necessary to put in a new battery.
 
 
STOCK PHOTOS.
 
Guaranteed not DOA.