X8 Instruction Set Reference Manual
Converion Instructions
11
-
3
ENCO - Encode 1-of-16 to 4
Instruction Type: Output
The ENCO instruction uses the lower four bits of the source word to set
mu
l
tiplex 16 bit of the destination word.
The following table shows math status bits.
The ENCO instruction converts the values as shown in the table below:
X
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
X
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
X
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
X
0
1
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
X
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
X
0
1
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
X
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
X
1
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
X
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
X
1
0
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
X
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
X
1
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
X
1
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
X
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X = not used
Decode 4 to 1-of-16
Source Bits
Destination Bits
SR Address
Flag
Description
SR2.0.0
Carry Flag
always resets
SR2.0.1
Overflow Flag
sets if more than one bit in the source is set;
otherwise resets.
SR2.0.2
Zero Flag
sets if result is zero, otherwise resets
SR2.0.3
Sign Flag
always resets
ENCO
EN
ENO
IN
N4.32 -
OUT - N4.33
> 0002h
0000000000000100 <
Summary of Contents for X8 Series
Page 1: ...Catalog Number s X8 M14DDT X8 M16DDR X8 M32DDT X8 Instruction Manual Reference Manual ...
Page 16: ......
Page 64: ...X8 Instruction Set Reference Manual 2 12 X8 Series PLC Memory and Data Table ...
Page 166: ...X8 Instruction Set Reference Manual 7 8 Relay Type Bit Instructions ...
Page 180: ...X8 Instruction Set Reference Manual 8 14 Timer and Counter Instructions ...
Page 205: ...X8 Instruction Set Reference Manual Math Instructions 10 17 ...
Page 206: ...X8 Instruction Set Reference Manual 10 18 Math Instructions ...
Page 212: ...X8 Instruction Set Reference Manual 11 6 Converion Instructions ...
Page 218: ...X8 Instruction Set Reference Manual 12 6 Logical Instructions ...
Page 236: ...X8 Instruction Set Reference Manual 15 8 Shift and FIFO LIFO Instructions ...
Page 242: ...X8 Instruction Set Reference Manual 16 6 Sequencing Instructions ...
Page 252: ...X8 Instruction Set Reference Manual 18 4 Input and Output Instructions ...
Page 280: ...X8 Instruction Set Reference Manual 20 12 PID Control ...
Page 296: ...X8 Instruction Set Reference Manual 21 16 ASCII Instructions ...
Page 308: ...X8 Instruction Set Reference Manual 22 12 Communications Instructions ...
Page 312: ...Appendix A 4 System Error Code ...
Page 313: ...Appendix B MSG Instruction Error Code MSG Instruction Error Code ...
Page 322: ...Appendix B 10 MSG Instruction Error Code ...
Page 325: ...ASCII Character Set Appendix C 3 ...
Page 326: ...Publication number X8 RM001A EN September 2012 ...
Page 327: ...Copyright 2012 RS Automation Co Ltd All rights reserved ...