Burroughs Large Systems Instruction Sets - Arithmetic Operators

Arithmetic Operators

ADD — Add top two stack operands (B := B + A or BY := BY + AX if double precision)
SUBT — Subtract (B - A)
MULT — Multiply with single or double precision result
MULX — Extended multiply with forced double precision result
DIVD — Divide with real result
IDIV — Divide with integer result
RDIV — Return remainder after division
NTIA — Integerize truncated
NTGR — Integerize rounded
NTGD — Integerize rounded with double precision result
CHSN — Change sign
JOIN — Join two singles to form a double
SPLT — Split a double to form two singles
ICVD — Input convert destructive – convert BCD number to binary (for COBOL)
ICVU — Input convert update – convert BCD number to binary (for COBOL)
SNGL — Set to single precision rounded
SNGT — Set to single precision truncated
XTND — Set to double precision
PACD — Pack destructive
PACU — Pack update
USND — Unpack signed destructive
USNU — Unpack signed update
UABD — Unpack absolute destructive
UABU — Unpack, absolute update
SXSN — Set external sign
ROFF — Read and clear overflow flip flop
RTFF — Read true/false flip flop