Piconet request protocol
I expand on the different types of request in the Piconet protocol, which the Nimbus Museum describes as it appears…
rmnimbus (2)
Posts relating to the Nimbus range of computer equipment by Research Machines (now known as RM plc), particularly machines based on the 80186 processor that run MS-DOS but are not fully IBM-compatible.
Piconet registers 00-1Fh
This article may be updated if/when I fill in gaps from the ROM disassembly- it's not yet a complete description…