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TRS-80
Tandy Corporation • 1977

This section of the site is work-in-progress and is under development.

Launched ByTandy Corporation
Type8-bit Microcomputer
Launch03rd August 1977
Discontinued1983


The TRS-80 Microcomputer System was launched in 1977 by Tandy, and sold throughout their Radio Shack stores. In 1980 The original model was discontinued and superseded by the compatible-ish TRS-80 Model III (many programs required patches).

The TRS-80 was part of BYTE Magazine's "1977 Trinity", which included the Apple II, and Commodore's PET.

Latest TRS-80 posts

Buy TRS-80 on eBay

Tandy Radio Shack TRS-80 26-301 Computer Cassette C-20 Leaderless Certified

United States of America • Buy it now: USD 9.99.


TRS-80 model III microcomputer - Powers on

United States of America • Buy it now: USD 225.00.


Radio Shack TRS-80 Model 4 or 4P part only - Power supply

United States of America • Buy it now: USD 35.00.


Vintage Radio Shack TRS-80 Model 100 Portable Computer

United States of America • Buy it now: USD 150.00.


RadioShack TRS-80 Model 1 Expansion Interface Line Filter External Percom

United States of America • Buy it now: USD 999.99.


TRS-80 Model III/4 System Expander (M3SE) - Ethernet/SSD/VGA/RTCC and more!

United States of America • Buy it now: USD 300.00.


RS-232C Interface TRS-80 PC Pocket Computer Cat. No. 26-3612 New Open box

United States of America • Buy it now: USD 99.00.


RADIO SHACK TRS-80 COLOR VINTAGE

United States of America • Buy it now: USD 95.00.


Radio Shack TRS-80 Disk System Tested Warranty

United States of America • Buy it now: USD 349.99.


Vtg.1979 RADIO SHACK TRS-80 III Microcomputer wBOX 16K RAM WORKS PERFECTLY

United States of America • Buy it now: USD 999.00.


Popular TRS-80 games

Emulation

System Emulator Notes
Windows / Mac OS / Linux MAME/MESS Good Support. Setname: trs80 or trs80_m3 for Model III
Windows TRS32 Shareware
Windows Sharp80 TRS-80 Model III emulator
Windows / Mac OS / Linux sdltrs Doesn't work on modern Macs. Last updated 2009
Web Browser trsjs Javascript Model III emulator
RetroPie via sdltrs Requires keyboard.

Emulator information last updated 1st April 2020

Tech Specs and further details

Name TRS-80 Microcomputer System
Origin United States
Processor Z80
Memory 4KB expandable to 48K
Display Size (characters) 64x16
Colours monochrome
Audio via cassette interface
Storage Cassette, Floppy Disk
Input Built-in Keyboard
Name TRS-80 Model III
Origin United States
Processor Z80
Memory 4 KB expandable to 48 KB
Display Size (characters) 16 x 64 (hi-res) or 16 x 32 (lo-res)
Colours monochrome
Audio via cassette interface
Storage Cassette, Floppy Disk
Input Built-keyboard

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