Chapter 21
Move and Logical Instructions
21–5
And
AND
Output Instruction
(AND)
AND
BITWISE AND
Source A
B3:6
0001000111010111
Source B
B3:7
0000100100100100
Dest
B3:8
0000000100000100
F1
F2
F3
F4
F5
ZOOM on AND –(AND)– 2.3.0.0.2
NAME: BITWISE AND
SOURCE A: B3:6 0001 0001 1101 0111
SOURCE B: B3:7 0000 1001 0010 0100
DEST: B3:8 0000 0001 0000 0100
EDT_DAT
HHT Ladder Display:
HHT Zoom Display:
Ladder Diagrams and APS Displays:
(online monitor mode)
The value at source A is ANDed bit by bit with the value at source B and
then stored in the destination.
Truth Table:
R = A AND B
A B R
0 0 0
1 0 0
0 1 0
1 1 1
A: Source A bit
B: Source B 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 most significant bit is set; otherwise reset
And (AND)
