IAI X-SEL PX, Operation Manual, Page: 168 / 560

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Part 4 Commands
Chapter 2 Explanation of Commands
1. Commands
1.1 Variable Assignment

LET (Assign)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1 Operand 2
Output
(Output, flag)
Optional Optional LET Variable
number
Data ZR
[Function] Assign the value specified in operand 2 to the variable specified in operand 1.
The output will turn ON when 0 is assigned to the variable specified in operand 1.
[Example 1] LET 1 10 Assign 10 to variable 1.
[Example 2] LET 1 2 Assign 2 to variable 1.
LET 3 10 Assign 10 to variable 3.
LET *1 *3 Assign the content of variable 3 (10) to the variable
of the content of variable 1 (variable 2).

TRAN (Copy)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1 Operand 2
Output
(Output, flag)
Optional Optional TRAN Variable
number
Variable
number
ZR
[Function] Assign the content of the variable specified in operand 2 to the variable specified in
operand 1.
The output will turn ON when 0 is assigned to the variable specified in operand 1.
[Example 1] TRAN 1 2 Assign the content of variable 2 to variable 1.
A LET command of the same effect as the above
operation
LET 1 *2
[Example 2] LET 1 2 Assign 2 to variable 1.
LET 2 3 Assign 3 to variable 2.
LET 3 4 Assign 4 to variable 3.
LET 4 10 Assign 10 to variable 4.
TRAN *1 *3 Assign the content of variable 3 (which is variable 4,
or 10) to the variable of the content of variable 1
(variable 2).
The variables change as follows:
1 2 3 4 1 2 3 4
2 3 4 10

2 10 4 10
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Part 4 Commands

CLR (Clear variable)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1 Operand 2
Output
(Output, flag)
Optional Optional CLR Variable
number
Variable
number
ZR
[Function] Clear the variables from the one specified in operand 1 through the other specified in
operand 2.
The contents of the variables that have been cleared become 0.
The output will turn ON when 0 is assigned to the variable specified in operand 1.
[Example 1] CLR 1 5 Clear variables 1 through 5.
[Example 2] LET 1 10 Assign 10 to variable 1.
LET 2 20 Assign 20 to variable 2.
CLR *1 *2 Clear the variables from the content of variable 1
(variable 10) through the content of variable 2
(variable 20).
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