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Ira Goldklang's TRS-80 Revived Site

May 25, 2025 – Tuc’s Workbench

May 25, 2025May 25, 2025 Ira

If you are looking for TRS-80 parts, such as matching (silver) paint, or replacement ROMs, or composite video cables, visit Tuc’s Workbench at https://shop.tucs-workbench.com/.

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April 14, 2025 – Model III’s for Free in the UK

June 1, 2025 – Model I RS-232 Reproduction

FIRST TIME VISITORS

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Do you have TRS-80 Disks? Send them in for Preservation and Conversion for use in an Emulator
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General

Site News
Intro to Emulation
Interviews
Shipping a TRS-80
Radio Shack Lore
Fun Stuff

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Missing Software
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Emulation and Virtual Media

Info and Downloads:

Emulators
Virtual Tape Utilities
Virtual Disk Utilities
Misc TRS-80 Utilities

How To Convert:

Tapes to Virtual
Disks to Virtual
Stringy Floppy to Virtual

Advanced

Internal Operations

ROM/Z-80 Info
RAM Addresses/Routines
Ports and I/O Devices
Device Control Blocks (DCB's)
Keyboard Map

TRSDOS Dissembled

TRSDOS 2.3 Disassembled
TRSDOS 1.3 Disassembled

Zaps/Patches/Fixes

Zaps and Patches
Tips and Tricks

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TRS-80 Models

Timeline
Model I
Model II
Model III
Model 4/4P/4D
Color (Coco 1-3, MC-10)
Laptops (100/200/600)
Pocket (PC-1 to PC-8)
Clones
Printers

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Reference

TRSDOS
DOSPlus
NEWDOS/80
MULTIDOS
CP/M
Level II BASIC Ref

Detailed Products

ORCH-80/85/90
Speed-Up Boards
Scott Adams Adventures

Tandy Publications

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Publications

Books
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Software Manuals
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Catalogs (Non-Tandy)
Product Flyers
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This Section for TRS-80 Hardware Owners

TRS-80 Repairs:

People who can repair
Opening a TRS-80
Using an EPROM in a TRS-80
Prior Troubleshooting Q&A

Repair Videos:

Model I
Model III/4
PC-1

Replacement Parts:

Model I
Model III
Model 4/4P
Pocket Computer
Cassette
Floppy Drive
Hard Drive
Modern Add-Ons
Modern Replacements
Schematics/3-D Printable Parts

Hardware Modifications:

Model I
Model III
Model 4

Other Items ...

Hardware Manuals
Service Manuals
Using a Computer / Tablet / Smartphone for Cassette I/O

Misc

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