C64 Core for MEGA65 - User Documentation

IMPORTANT NOTICE

Please update your C64 Core to version 5.2, released on April 28th, 2025. This version fixes a bug with the HDMI-connection, the direct loading of .prg files and the function of the Restore key in combination with virtual cartridges.

Search function and Table of Contents

This documentation can be searched with the Search Box on the upper border. It will show you all page subheadings that contain your search term. You then need to use the search function of your browser on these pages to further find the info you need. Most of the documentation has detailed table of contents for the current page on the right side.

Help! Something does not work!

There is an extensive troubleshooting guide included with this documentation which a lot of “behind the scenes” knowledge too.

And now, finally: Welcome!

Welcome to the user documentation for the C64 for MEGA65 Core. This website collects all info about the installation, usage and specific compatibilities. For some more technical deep dives into the internals of the Core, please consult the Github project at: https://github.com/MJoergen/C64MEGA65/ where you can find further information for developers and contributors.

To get a glimpse of what the C64 core can do for you, watch this trailer on YouTube.

Please find a list of all the pages of the documentation on the left side of the screen. Tables of contents for each page are on the right side of the screen.

If you are already using the core but have a specific problem, please check the Troubleshooting and FAQ page first.

This documentation is based on the inital documentation by MJoergen and sy2002 and has been enhanced, reformated and published by Boris Schneider-Johne. Please send any comments either directly to boris@dreisechzig.net or join us in the discussion of this Core on Discord at:

https://discord.com/channels/719326990221574164/794775503818588200

Future development and enhancements

Please read here about the plans for the future.