Zero and Add Packed
(ZAP) An IBM 360/370 assembly language instruction used when performing packed decimal arithmatic to initialise an accumulator or to set the byte at a given address to a given value.Use of the ZAP instruction is rumoured to be involved in the SuperZap utility program.
Last updated: 2021-03-21
ZERO ♦ zero ♦ Zero and Add Packed ♦ zero assignment ♦ zero-content ♦ Zero Insertion Force
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