Proposed Additions to the PDP-11 Instruction Set: BBW Branch Both Ways BEW Branch Either Way BBBF Branch on Bit Bucket Full BH Branch and Hang BMR Branch Multiple Registers BOB Branch On Bug
BST Backspace and Stretch Tape
CDS Condense and Destroy System
CLBR Clobber Register
CLBRI Clobber Register Immediately
CM Circulate Memory
CMFRM Come From -- essential for truly structured programming
CPPR Crumple Printer Paper and Rip
CRN Convert to Roman Numerals