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2-4
2.2  
How to Read Instruction Tables
The instruction tables found from Section 2.3 to 2.5 have been made according to the following 
format:
Table 2.2 How to Read Instruction Tables
Description
1) ..........Classifies instructions according to their application.
2) ..........Indicates the instruction symbol added to the instruction in a program. 
Instruction code is built around the 16-bit instruction. The following notations are used to 
mark 32-bit instructions, instructions executed only at the leading edge of OFF to ON, 
real number instructions, and character string instructions:
• 32-bit instruction ..... The letter "D" is added to the first line of the instruction.
• Instructions executed only at the leading edge of OFF to ON 
............................... The letter "P" is added to the end of the instruction.
• Real number instructions
............................... The letter "E" is added to the first line of the instruction.
• Character string instructions
............................... A dollar sign $ is added to the first line of the instruction.
+
S D
+P
S D
+
S1 S2 D
+P
S1 S2 D
(D)+(S)
(D)
(S1)+(S2)
(D)
3
4
6-16
6-20
+
+P
+
+P
Category
In
structio
n
 Symbols
Symbol
Processing Details
C
Execution 
ondition
Number
 of Basic S
tep
s
Subset
See for D
escriptio
n
1)
2)
3)
4)
5)
7)
8)
6)
BIN
16-bit
addition  
and  
subtraction
operations
Example +
D+
16-bit instruction 32-bit instruction
Example +
+P
Instruction executed 
when ON
Instruction executed  
only at the leading  
edge of OFF to ON
Example +
E+
Real number instructions
Example +
$+
Character string instructions