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CPL
Syntax
Operation
Data Types
Description
Performs a 1's complement of the source operand specified by op1. The result is stored back into op1.
Flags
E
*
E
Set if the value of op1 represents the lowest possible negative number. Cleared otherwise.
Used to signal the end of a table.
Z
Set if result equals zero. Cleared otherwise.
V
Always cleared.
C
Always cleared.
N
Set if the most significant bit of the result is set. Cleared otherwise.
Addressing Modes
Mnemonic
CPL
Integer One's Complement
CPL
(op1)
WORD
Z
*
Rw
n
ST10 FAMILY PROGRAMMING MANUAL
op1
<-- ¬(op1)
V
0
Format
91 n0
C
N
0
*
Bytes
2
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