Proposed Additions to the PDP-11 Instruction Set:

DC	Divide and Conquer
DMPK	Destroy Memory Protect Key
DO	Divide and Overflow
EMPC	Emulate Pocket Calculator
EPI	Execute Programmer Immediately
EROS	Erase Read Only Storage
EXCE	Execute Customer Engineer
HCF	Halt and Catch Fire
IBP	Insert Bug and Proceed
INSQSW	Insert into queue somewhere (for FINO queues [First in never out])
PBC	Print and Break Chain
PDSK	Punch Disk