Currently descendents of some of these are still available from Infineon (which recently aquired Cypress, which once merged with Spansion which long ago was a Fujitsu-AMD Joint-Venture).
instruction set, sections on memory and addressing, register set and interrupt handling.
"Note: Unlike the F2MC-8, the contents of the A and T registers are not saved to the stack during interrupt processing."
"Operands used by multiple-operand instructions are stored in mnemonic order (reverse of F2MC-8 order)."
Now I'm looking for documentation on the original F2MC-8, and also wonder where it was used.
Philipp