Software for Windows and RISC OS

Software for Windows
   Cabriolet Dynamic Geometry
   Tsunami/Griddler Solver
Software for RISC OS
   Cabriolet Dynamic Geometry
Software for Linux
   Cabriolet Dynamic Geometry
Software for Newton
   Cabriolet Dynamic Geometry

Miscellaneous Utilities


This program reads in files from the current directory and turns them into a disc image (.SSD)

Download it here: MakeImage2


This program extracts files from disc images (.SSD)

Download it here: RipDFSDisc


This program runs on a Master 128 and allows you to sample in tapes which can then be loaded into 6502Em

Download it here: ReadTapes11


This program extracts files from TapeFiles (as created by ReadTapes, above).

Download it here: BBCDecode5


This program saves ROMs from a BBC B/Master 128/Compact in a form suitable for using in 6502Em

Download it here: SaveROMs

BeebTape (by Alex Macfarlane Smith)

This allows you to create 6502Em format Tapefiles from files on a RISC OS machine. So if you have a game that doesn't work from disc in 6502Em, it might be worth putting it together as a Tapefile.

Go to to download it.


This is for Computer Concepts ColourCard users. It intercepts mode changes to the appropriate ColourCard modes.

Download it here: CCModePatch


This module allows the Joystick SWI to access a BBC-style analogue joystick plugged into a User Port podule. If no podule is present the SWI reads from the mouse instead.

Download it here: JSEmulator


This module remaps some of the keys in !65Host to make some games (eg Snapper, Arcadians) playable.

Download it here: BBCKeys


This module swaps F12 and ctrl-F12 in the desktop. The original version of this swapped F10 and F12 for an A4 laptop.

Download it here: CtrlF12

Murklesoft: Software for Windows and RISC OS

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