User guide

Chapter 21
Move and Logical Instructions
21–8
Not NOT Output Instruction
(NOT)
F1 F2 F3 F4 F5
ZOOM on NOT –(NOT)– 2.3.0.0.2
NAME: NOT
SOURCE: B3:0 1010 0110 1110 1100
DEST: B3:1 0101 1001 0001 0011
EDT_DAT
HHT Ladder Display:
HHT Zoom Display:
Ladder Diagrams and APS Displays:
NOT
NOT
Source B3:0
1010011011101100
Dest B3:1
0101100100010011
(online monitor mode)
The source value is NOTed (inverted) bit by bit and then stored in the
destination.
Truth Table:
R = NOT A
A R
0 1
1 0
A: Source bit
R: Destination bit
Using Arithmetic Status Bits
C always reset
V always reset
Z set if the result is zero; otherwise reset
S set if the result is negative (most significant bit is set); otherwise reset
Not (NOT)