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A-33
INSTRUCTION SET REFERENCE
OR LOGICAL OR WORDS. ORs the source word
operand with the destination word operand
and replaces the original destination operand
with the result. The result has a “1” in each bit
position in which either the source or
destination operand had a “1”.
(DEST)
← (DEST) OR (SRC)
DEST, SRC
OR wreg, waop
(100000aa) (waop) (wreg)
PSW Flag Settings
ZNCVVTST
✓✓00——
ORB LOGICAL OR BYTES. ORs the source byte
operand with the destination byte operand
and replaces the original destination operand
with the result. The result has a “1” in each bit
position in which either the source or
destination operand had a “1”.
(DEST)
← (DEST) OR (SRC)
DEST, SRC
ORB breg, baop
(100100aa) (baop) (breg)
PSW Flag Settings
ZNCVVTST
✓✓00——
POP POP WORD. Pops the word on top of the
stack and places it at the destination
operand.
(DEST)
← (SP)
SP
← SP + 2
POP waop
(110011aa) (waop)
PSW Flag Settings
ZNCVVTST
——————
Table A-6. Instruction Set (Continued)
Mnemonic Operation Instruction Format