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MELSEC-Q/QnA
2 INSTRUCTION TABLES
2.4.2 Arithmetic operation instructions
Table 2.11 Arithmetic Operation Instructions
Category
Instruction
Symbols
Symbol Processing Details
Execution
Condition
Number of
Basic Steps
Subset
See for
Description
+
+ SD
+P
+P
SD
• (D)+(S) (D)
3 6-16
+
+ S1 S2 D
+P
+P S1 S2 D
• (S1)+(S2) (D)
4 6-18
-
SD
−
-P
P
SD
−
• (D) - (S)
(D)
3 6-16
-
S1
S2 D
−
BIN 16-bit
addition
and
subtraction
operations
-P
P S1 S2 D
−
• (S1) - (S2)
(D)
4 6-18
D+
D+ SD
D+P
D+P S
D
D+P S
D
• (D+1, D)+(S+1, S)
(D+1, D)
1 6-20
D+
D+
S1
S2 D
D+P
D+P
S1
S2 D
• (S1+1, S1)+(S2+1, S2) (D+1, D)
2 6-22
D-
D
DS
−
D-P
SDDP
−
• (D+1, D)-(S+1, S)
(D+1, D)
1 6-20
D-
D S1 S2 D
−
BIN 32-bit
addition
and
subtraction
operations
D-P
S1
S2 DDP
−
• (S1+1, S1)-(S2+1, S2) (D+1, D)
2 6-22
S1 S2 D
P
S1 S2 DP
• (S1) (S2) (D+1, D)
3 6-24
/
/
S1
S2 D
BIN 16-bit
multiplica-
tion and
division
operations
/P
/P S1 S2 D
• (S1)/(S2) Quotient(D), Remainder
(D+1)
4 6-24
D
D S1 S2 D
D P
S1 S2 DDP
• (S1+1, S1) (S2+1, S2) (D+3, D+2,
D+1, D)
4 6-26
D/
D/
S1
S2 D
BIN 32-bit
multiplica-
tion and
division
operations
D/P
D/P S1 S2 D
• (S1+1, S1)/(S2+1, S2)
Quotient (D+1,
D), Remainder (D+3, D+2)
4 6-26
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