TRS-80

TRS-80
Designer	Tandy
Manufacturer	Tandy
Distributor	RadioShack
CPU	Zilog Z80 or Motorola 6800
Graphics	text or color
Memory	4K to 1MB
Media	Cassette, Floppy disk
Released	August 3, 1977 - 1985
Added to Museum	Not yet

The TRS-80 label was used for several computers designed by Tandy and sold at Radio Shack stores.

First release

The original computer, originally known as TRS-80 before becoming the TRS-80 Model I after the release of the TRS-80 Model II, was released in the United States and Canada on August 3, 1977.

TRS-80 label

As the TRS-80 was the best selling computer in the United States in 1977 and 1978, Tandy used the TRS-80 label for several hardware platforms beginning in 1979.

Hardware platforms

TRS-80 Model I-compatible computers

The TRS-80 Model I-compatible computers used the Zilog Z80 or Z80A CPUs.

Title	Manufacturer	Release	Notes
TRS-80 Model I	Tandy	1977	Known as the TRS-80 before the release of the incompatible business-oriented TRS-80 Model II in 1979.
TRS-80 Model I Level II	Tandy	1978
TRS-80 Model III	Tandy	1980
TRS-80 Model 4	Tandy	1983
TRS-80 Model 4P	Tandy	1983
TRS-80 Model 100	Tandy	1983
TRS-80 Model 4D	Tandy	1985

TRS-80 Model II-compatible computers

The TRS-80 Model II-compatible computers also used the Zilog Z80, but are not compatible with the TRS-80 Model I or Model I-compatible computers.

Title	Manufacturer	Release	Notes
TRS-80 Model II	Tandy	1979
TRS-80 Model 12	Tandy	1982
TRS-80 Model 16	Tandy	1982	Main CPU was a Motorola 6800. Included a Zilog Z80 CPU for TRS-80 Model II compatibility.
TRS-80 Model 16B	Tandy	1983	Main CPU was a Motorola 6800. Included a Zilog Z80 CPU for TRS-80 Model II compatibility.
Tandy 6000	Tandy	1985	Main CPU was a Motorola 6800. Included a Zilog Z80 CPU for TRS-80 Model II compatibility.

TRS-80 Color Computer-compatible computers

The TRS-80 Model 16-compatible computers used the Motorola MC6809E CPU.

Title	Manufacturer	Release	Notes
TRS-80 Color Computer	Tandy	1980
Tandy Data Products System 100	Tandy	1982
TRS-80 Color Computer 2	Tandy	1983	WEC Museum owns the system and box.
Tandy Color Computer 3	Tandy	1986

TRS-80 Model 16-compatible computers

The TRS-80 Model 16-compatible computers used the Motorola 68000 CPU.

Title	Manufacturer	Release	Notes
TRS-80 Model 16	Tandy	1982	Included a Zilog Z80 CPU for TRS-80 Model II compatibility.
TRS-80 Model 16B	Tandy	1983	Included a Zilog Z80 CPU for TRS-80 Model II compatibility.

TRS-80 Model 100-compatible computers

The TRS-80 Model 100-compatible computers used Oki and Intel 80C85 CPUs.

Title	Manufacturer	Release	Notes
TRS-80 Model 100	Tandy	1983	Designed by Kyocera with firmware by Microsoft. Sold in Japan as the Kyocera Kyotronic 85, and NEC PC-8201A. Sold in Italy as Olivetti M-10. The 1986 Tandy 600 and 1987 NEC PC-8300 used similar designs, but were not compatible.
Tandy 200	Tandy	1984
Tandy 102	Tandy	1986

TRS-80 MC-10-compatible computers

The TRS-80 Model 100-compatible computers used Motorola MC6803 CPUs.

Title	Manufacturer	Release	Notes
TRS-80 MC-10	Tandy	1983
Matra & Hachette Alice	Tandy	1982	Created with a collaboration between Matra and Hachette in France and Tandy in the United States. The Matra and Hachette Alice 32, Alice 90, and Alice 8000 shared the Alice brand name but were not compatible.

TRS-80 pocket computers

The TRS-80 pocket computers were not compatible with each other. Beginning in 1985, they used the Tandy brand name rather than TRS-80 as the TRS-80 brand name was phased out that year.

Title	Manufacturer	Release	Notes
TRS-80 Pocket Computer PC-1	Sharp	1980	Rebranded version of the Sharp PC-1211
TRS-80 Pocket Computer PC-2	Sharp	1982	Rebranded version of the Sharp PC-1500
TRS-80 Pocket Computer PC-3	Sharp	1983	Rebranded version of the Sharp PC-1250
TRS-80 Pocket Computer PC-4	Casio	1983	Rebranded version of the Casio PB-100
TRS-80 Pocket Computer PC-3A	Sharp	1984	Rebranded version of the Sharp PC-1251
Tandy Pocket Computer PC-5	Casio	1985	Rebranded version of the Casio FX-780P
Tandy Pocket Computer PC-6	Casio	1986	Rebranded version of the Casio FX-790P
Tandy Pocket Computer PC-7	Casio	1987	Rebranded version of the Casio FX-5200P
Tandy Pocket Computer PC-8	Sharp	1987	Rebranded version of the Sharp PC-1246