Texas Instruments TM 990 / U89

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This may look like a calculator - the keyboard is from a TI-59 calculator - but it's a training system for the TMS 9980A processor. The board has 1K of RAM and 4K of ROM, plus the ability to save and load code from tape.

This board is co-branded Radio Spares.

Manufacturer: Texas Instruments
Date: 1978

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Texas Instruments TM 990 / U89 Manuals:

Item	Manufacturer	Date
Helios C40	Distributed Software Limited	Unknown
TI Programmable 57 Introduction to Programming		1977
TI-5120/TI-5130 Owners Manual	T I	1981

Texas Instruments TM 990 / U89 Articles:

Item	Manufacturer	Date
Memories - A Personal History of a Cambridge Concern		Unknown
Memories - Getting Started with the Texas Instruments TI-99/4A by Stephen Shaw		7 Oct 2013

Magazines RELATED to Texas Instruments TM 990 / U89 in our Library

Item	Manufacturer	Date
Practical Computing - July/August 1978	ECC	Jul 1978
Practical Computing - October 1978	ECC	Oct 1978
Practical Computing - November 1978	ECC	Nov 1978
Practical Computing - December 1978	ECC	Dec 1978
Practical Computing - January 1979	ECC	Jan 1979
Practical Computing - March 1979	ECC	Mar 1979
Practical Computing - April 1979	ECC	Apr 1979
Personal Computer World - March 1982		1 Mar 1982
Personal Computer World Special: Business Computing The 1986 Survival Guide		Apr 1986
Byte July 1985		16 Sep 2009

Other Systems Related To Texas Instruments TM 990 / U89:

Item	Manufacturer	Date
Texas Instruments TI-990 Computer System	Texas Instruments	1975
Texas Instruments - TI-99/4	Texas Instruments	1979
Texas Instruments - TI-99/4A	Texas Instruments	1st June 1981
Texas Instruments TM 990 / 189	Texas Instruments	March 1982