Tandy Corporation announced the TRS-80 Color Computer in July 1980 to compete with the inexpensive and popular VIC-20. Variants of the OS-9 multitasking operating system were available from third parties. The Color Computer 3 was discontinued in 1991.Īll Color Computer models shipped with Color BASIC, an implementation of Microsoft BASIC, in ROM. All three models maintain a high level of software and hardware compatibility, with few programs written for an older model being unable to run on the newer ones. It was followed by the Color Computer 2 in 1983, then the Color Computer 3 in 1986. The Tandy Color Computer line started in 1980 with what is now called the Color Computer 1.

Despite sharing a name with the earlier TRS-80, the Color Computer is a completely different, incompatible system and a radical departure in design and compatibility with its Motorola 6809E processor rather than the Zilog Z80 earlier models were built around. The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer and sometimes nicknamed the CoCo, is a line of home computers developed and sold by Tandy Corporation.

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