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How to use USB mouse on the BBC Micro

If you do not already have a mouse rom enabled on your BBC, follows these instructions
Download the mouse driver from – https://mdfs.net/Software/CommandSrc/Mouse.zip – these files will need to be transferred to your BBC
  • Load the Mouse ROM into a spare ROM slot number, depending on your configuration, use a free slot number on your computer

    *SRLOAD "MouseRom" 8000
  • Initialise the ROM by pressing:

    CTRL + BREAK

  • Once the ROM has been initialised, enable the mouse by entering:

    *MOUSE ON
  • Finally, you can run the mouse test program using the command below

    CH. "MouseTest"
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AMX Mouse Adapter – Using Modern Mice on Vintage Computers

One of the first widespread computer mice aimed at the home computer market in the UK in 1985 was the AMX Mouse by Advanced Memory Systems

The mouse features 3 buttons and used mechanical rolling ball and optical sensors, available for Amstrad, Sinclair Spectrum and the Acorn BBC Micro these mice used an interface, the BBC Micro version used the 20 pin “user port” and also requires the AMX rom chip to be installed.