Using Data Handling Instructions
9–21
Not (NOT)
The source value is NOTed bit by bit and then stored in the destination (one’s
complement).
Truth Table
Dest = NOT A
A
Dest
0
1
1
0
The source and destination must be word addresses.
Updates to Arithmetic Status Bits
With this Bit:
The Controller:
S:0/0
Carry (C)
always resets.
S:0/1
Overflow (V)
always resets.
S:0/2
Zero (Z)
sets if result is zero; otherwise resets.
S:0/3
Sign (S)
sets if result is negative (most significant bit is set); otherwise
resets.
Programming
Execution Times
(
µ
sec) when:
True
False
28.21
6.92
NOT
NOT
Source
Dest
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
