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Chapter 3. Instructions
3-9
3.2.4
Increment / Decrement instructions
Mnemonic
symbol
Function
No.
Ladder symbol
Unit
Contents of processing
CPU
Page
INC
INCP
020
021
16 bits
Increment
[ ] +1 [ ]
○
5-24
DINC
DINCP
022
023
32 bits
Increment
[ +1, ] +1 [ +1, ]
○
5-24
DEC
DECP
024
025
16 bits
Decrement
[ ] -1 [ ]
○
5-26
DDEC
DDECP
026
027
32 bits
Decrement
[ +1, ] -1 [ +1, ]
○
5-26
3.2.5
Rotation instructions
Mnemonic
symbol
Function
No.
Ladder symbol
Unit
Contents of processing
CP
U
Page
ROL
ROLP
020
021
16 bits
○
5-28
ROR
RORP
034
035
16 bits
5-30
RCL
RCLP
040
041
16 bits
5-32
RCR
RCRP
044
045
16 bits
5-34
INC
INCP
D
D
DINC
DINCP
D
D
DEC
DECP
D
D
DDEC
DDECP
D
D
D
D
D
D
D
D
D
D
D
D
D
D
ROL
ROLP
D
D
D
15
0
D
15
0
1 bit rotate to left
Carry
ROR
RORP
D
D
RCL
RCLP
D
D
RCR
RCRP
D
D
D
15
0
D
15
0
1 bit rotate to left include carry
Carry
D
15
0
D
15
0
Car ry
1 bit rotate to right
D
15
0
D
15
0
Carry
1 bit rotate to right include carry