Burroughs Large Systems Instruction Sets - Other

Other

VARI — Escape to extended (variable instructions which were less frequent)
OCRX — Occurs index builds an occurs index word used in loops
LLLU — Linked list lookup – Follow a chain of linked words until a certain condition is met
SRCH — Masked search for equal – Similar to LLLU, but testing a mask in the examined words for an equal value
TEED — Table enter edit destructive
TEEU — Table enter edit, update
EXSD — Execute single micro destructive
EXSU — Execute single micro update
EXPU — Execute single micro, single pointer update
NOOP — No operation
NVLD — Invalid operator (hex code FF)
User operators — unassigned operators could cause interrupts into the operating system so that algorithms could be written to provide the required functionality