Infineon Technologies C166S V2 User Manual page 242

CPL
Group
Syntax
Source Operand(s)
Destination Operand(s)
Operation
(op1) ← ¬(op1)
Description
Performs a 1s complement of the source operand specified by op1. The result is stored
back into op1.
CPU Flags
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.
Encoding
Mnemonic
CPL Rw
User Manual
Integer One's Complement
Arithmetic Instructions
CPL op1
op1 → WORD
op1 → WORD
E Z
* *
n
Detailed Instruction Description
V C
0 0
Format
91 n0
8-242
User Manual
C166S V2
CPL
N
*
Bytes
2
V 1.7, 2001-01