ROUGOL logo Welcome to
RISC OS User Group Of London



ROUGOL is a not-for-profit organisation consisting of Acorn/RISC OS computer users in London and the south-east. Our aim is to bring those users together. There is no membership fee and entry to all meetings is free. To find out more, email us.


Meetings are held on the third Monday of every month. Most meetings feature a guest speaker, demonstrating the latest hardware or software, giving tutorials of software both new and old, or simply to kick off discussions on the current hot topic. Entrance is free, so why not come along and say hello?

Next meeting - Monday 17th January 2022 
Recoding the Classics - Jeroen Vermeulen

Over the past 18 months Jeroen Vermeulen has ported the five games from the Raspberry Pi book Coding the Classics across to RISC OS. By using the original sound and graphics resources produced for the book he has been able to produce very highly polished games in a short space of time. Jeroen will be joining us via Zoom to tell us how and why these ports were produced.

For the first two games the Python/Pygame code used in the book was converted into BBC BASIC with the help of the AMCOG Development Kit. Jeroen will talk about how this was achieved and some of the issues/compromises that had to be made.

After Python3 and Pygame were ported to RISC OS by Chris Johns, the original code from the book could be used for the other games. However there was still some porting work to do due to the differences in OS environment, and Jeroen will go through the changes needed (this section should be helpful to anyone trying to run Python code from other platforms).

There will also be a look at how to setup all the components needed to get Python3/Pygame working on RISC OS and some comparisons of the performance between the BASIC/Python and RISC OS/Linux versions of the games.

All Jeroen's ports are available on PlingStore, and hopefully by the end of the talk you will be encouraged to not only give the games a play, but maybe also be inspired to try writing/porting some games of your own!

Click here for more details

Future Meetings
17 Jan: Recoding the Classics, Jeroen Vermeulen
21 Feb: TBC
21 Mar: GAG News birthday, Herbert zur Nedden
18 Apr: TBC
If there is a topic you would like to see covered at a future meeting, or (even better!) if there is a subject you would like to talk about, please contact us.

London Show
The next RISC OS London Show will take place on Saturday 29th October 2022.

Recent Meetings
November: RISC OS Pyromaniac update, Gerph
September: RISC OS Distro Comparison, Bernard Boase et al
August: The RISC OS Awards Ceremony, compered by Vince Hudd
July: Hybrid Meeting Trial, Open discussions
June: RISC OS in those StrongARM days, Mike Stephens, ex-Acorn and Pace programmer - Report...
May: Software Testing, Gerph - Slides... and Report...
April: The Future of Microprocessors, Sophie Wilson CBE - Report... and Video...
March: The DARIC Programming Language, Daryl Dudey - Report... and Video...
February: CD, DVD, and Blu-Ray Burning, Steffen Huber, hubersn Software - Report... and Video...
January: The AMCOG Development Process, Anthony Bartram, AMCOG Games - Report... and Video...

Click here for a full index of past meetings, reports etc...
If you see a topic that hasn't been covered for a while that you think needs revisiting, please let us know.