Sel language, Inb (bcd read i/o • flag) – IAI America DS-S-C1 User Manual
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[Function]
Reads the BCD value from the designated input port, then stores this value in variable register 99.
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Note 2: The I/O Port • Flag used is 4 x n (number of digits).
[Example 1]
INB
8
2
Read input port from 8 for 2 digits (up to 15) as a binary number
to variable 99.
[Example 2 ]
LET
1
8
Assign 8 to variable 1.
LET
2
2
Assign 2 to variable 2.
IN
*1
*2
Read from input port 8 (content of variable 1) for 2 digits
(content of variable 2)(up to 15) as a BCD value to variable 99.
12. SEL Language
●
INB (BCD Read I/O • Flag)
14
13
12
11
10
9
8
15
ON
OFF
OFF
OFF
OFF
ON
OFF
ON
Upper digits
Lower digits
Note 1: The maximum number of digits that can be input is 8 (32 bits).
⇓⇓⇓⇓⇓
•••
Input port No.
133
• • • • • • • • •
Variable 99