Motorola CPU32 Bedienungsanleitung Seite 254

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Integer Instructions
4-150 M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL MOTOROLA
OR Inclusive-OR Logical OR
(M68000 Family)
Operation: Source V Destination Destination
Assembler OR < ea > ,Dn
Syntax: OR Dn, < ea >
Attributes: Size = (Byte, Word, Long)
Description: Performs an inclusive-OR operation on the source operand and the
destination operand and stores the result in the destination location. The size of the
operation is specified as byte, word, or long. The contents of an address register may
not be used as an operand.
Condition Codes:
X Not affected.
N — Set if the most significant bit of the result is set; cleared otherwise.
Z Set if the result is zero; cleared otherwise.
V Always cleared.
C — Always cleared.
Instruction Format:
Instruction Fields:
Register field—Specifies any of the eight data registers.
Opmode field
XNZVC
∗∗00
1514131211109876543210
1000 REGISTER OPMODE
EFFECTIVE ADDRESS
MODE REGISTER
Byte Word Long Operation
000 001 010 < ea > V Dn Dn
100 101 110 Dn V < ea > < ea >
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