We can send you a spreadsheet that has this information, please write to tech.support@digi.com
There’s an Excel spreadsheet that lists all of the op codes, but doesn’t contain information on which instructions are only available on the Rabbit 6000, nor is there a good summary of opcodes that were added for the 6000.
http://ftp1.digi.com/support/documentation/Rabbit%206000%20Instruction%20Spreadsheet.zip
The spreadsheet is addition to the Rabbit 5000 instruction set.
http://ftp1.digi.com/support/documentation/0190098_l.pdf