The files here are for the Cromemco MCB-216 ROMs set, a monitor program with 3K Control BASIC for the Cromemco SCC, a Z80-based single board computer.

The two Intel HEX files are the contents of the two 2716 EPROMs in the set, and were reconstructed by Craig Landrum, who also provided README, and Hacksaw Programming to show how it was done :-)

Some of the manuals for the SCC and the software are available from Herb Johnson, who has a list of Cromemco S-100 Docs. Some are also available as downloadable PDF files from the Cromemco Manuals section of Howard Harte's website. The two most relevant manuals are: