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How to Use a Scroll Wheel Mouse on Amiga 500: TruScroll Adapter Guide

How to Use a Scroll Wheel Mouse on a Commodore Amiga

If you are using a Commodore Amiga 500, 1200, or 600 in the modern era, you’ve likely reached for a scroll wheel that isn’t there. The original Amiga “tank mouse” was a classic, but for modern productivity in Workbench, a scroll wheel is a game-changer.

The good news? You can easily add scroll wheel support to your vintage hardware. This guide covers everything from the TruScroll USB adapter to the software drivers required to get you scrolling.

1. The Hardware: Why You Need a TruScroll Adapter

The Amiga uses a unique 9-pin (DB9) mouse port that is electrically different from modern PC mice. To use a modern optical mouse, you need an intelligent interface.

The TruScroll Amiga Mouse Adapter is the premier choice for enthusiasts because:

  • True USB HID Support: It works with almost any modern wired or wireless USB mouse.

  • Plug-and-Play: No complex hardware modifications required.

  • Low Profile: Fits perfectly in the cramped mouse ports of the Amiga 600 and 1200.

  • Optical Precision: Eliminates the need for cleaning old mouse balls and rollers.

2. Essential Software for Amiga Scroll Support

While the TruScroll adapter handles the hardware connection, AmigaOS (Workbench) needs a driver interpret the scroll wheel signals.

TankMouse Driver

Download the Tankmouse driver by Szymon Bieganski – TankMouse

Once you run it you can close the window – the drivers stays in memory and enables the scrollwheel on the TruScroll adapter

The driver also includes a driver installer, once installed it will automatically run at startup if your Amiga boots froom an internal drive

The FreeWheel Utility for Older Amiga Workbench versions

The most widely used software for this is FreeWheel by Alastair M. Robinson, use this down link Freewheel.

  • What it does: It intercepts the wheel data from your TruScroll adapter and tells Workbench windows to scroll up or down.

  • Compatibility: Works on virtually all versions of AmigaOS versions

AmigaOS 3.2+ Users

If you are running the latest AmigaOS 3.2 or higher, scroll wheel support is integrated so freewheel is not required, but you still need to have the Tankmouse driver running

3. Step-by-Step Setup Guide

  1. Safety First: Power off your Amiga before connecting any hardware.

  2. Connect the Adapter: Plug your TruScroll adapter into the amiga Mouse Port.

  3. Plug in Your Mouse: Insert your USB mouse (or wireless dongle) into the TruScroll USB port.

  4. Install the Driver:

    • Download TankMouse Driver or FreeWheel (if OS lower than 3.2) from Aminet.

    • WithFreewheel running you can scroll the contents of Workbench windows by hovering the mouse over the bottom or side scrollbars and using the mouse scrollwheel

4. Why Upgrade to a Scroll Wheel?

Once you experience a scroll wheel on an Amiga, you won’t want to go back. It significantly improves the experience in:

  • Directory Opus & Workbench: Quickly browse through hundreds of files.

  • Protracker & Octamed: Scroll through patterns with precision.

  • Coding & Text Editing: Effortlessly navigate long scripts in GoldED or CygnusEd.

Upgrade Your Amiga Experience Today

Don’t struggle with 1980’s mouse technology. Get the most reliable, compatible, and compact scroll solution on the market.

Also available as an Optical upgrade kit with a new white optical mouse and USB to 9 pin adapter

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Amiga Mouse Adapter

 

Mouse adapter’s for the commodore Amiga have been available for some time, the first adapters usually used a Microcontroller that did not contain a USB interface and relied on the mouse being PS/2 mode, many shapes and sizes of adapter were available some were very large and stuck out of the rear of the socket due to using through hole components requiring  a long circuit board.

The latest mouse adapters such as TruMouse were designed to be as small as possible and offer a high compatibility with most USB mice and even some wireless models from philips and Logitech

The TruMouse got its name as it’s a True USB adapter the dimension are just 30mm in Length and only 20mm Wide, its really tiny and fits ALL Amiga Models including the tightly spaced ports on the Amiga 600

              TruMouse Amiga USB Mouse Adapter

 

The TruMouse adapter is heat-shrinked to protect against static, various colour options are available, the image above shows the adapter with transparent shrink. The adapter is compatible with ALL Models of Commodore Amiga and the Amiga CD32 Console.

The TruMouse does not need any drivers or software and works when plugged in like any standard Amiga mouse, its supports 3 mouse button left click, right click and middle mouse button, this is the scroll wheel button on most PC mice

Wireless Mice on the Amiga ?

TruMouse supports most Logitech and the Philips M200 Series wireless usb mice from covering a range of budgets, starting at the Logitech M170 right up to the MX Master series

Checkout the Demonstration Video of the TruMouse Mouse Adapter from the Amiga Retro Cast on YouTube Channel

The TruMouse adapter is also available for ALL models of the Atari ST and Falcon 030