Refer to "./docs/index.md" for the index file of the main DOC documentation.
This documentation is best viewed using the github web-interface at:
https://github.com/MEGA65/mega65-core/blob/master/README.md
The MEGA65 includes the OpenROM free and open-source C64-compatible ROM by default.
However, you can also run ROMs from other sources that are intended for use on a C64 or C65,
e.g.:
http://www.zimmers.net/anonftp/pub/cbm/firmware/computers/c65/911001.bin
renamed to MEGA65.ROM, is 128k in size