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TRS-80
Tandy Corporation • 1977

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 In 1980 The original model was discontinued and superseded by the compatible-ish TRS-80 Model III (many programs required patches).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.

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Hoppy
1981

TRS-80 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

TRS-80 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

TRS-80 Resources