Toshiba PROSEC T1 User Manual page 223

FUN 128
Expression
Input -[ CALL N. n ]- Output
Function
When the input is ON, this instruction calls the subroutine number n .
Execution condition
Input
OFF No execution
ON Execution
Operand
Name
n Subroutine
number
Example
When X007 is ON, the subroutine number 8 is called. When the program execution is returned
from the subroutine, the output is turned ON.
Main program
| | [ CALL N.008 ]
Note
· The possible subroutine number is 0 to 15 (T1) or 0 to 255 (T1S).
· Refer to the SUBR instruction (FUN 137).
· In case of T1, nesting of subroutines is not allowed. That is, the CALL instruction cannot be used in
a subroutine.
· In case of T1S, nesting of subroutines is possible. (up to 3 levels)
· The CALL instruction can be used in an interrupt program. However, it is not allowed that the same
subroutine is called from an interrupt program and from main program.
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CALL Subroutine call
Operation
Device
X Y R S T. C. XW YW RW SW T
Output
OFF
ON
Register
C D
Subroutine
[ SUBR (008)]
[ RET ]
Basic Hardware and Function
6F3B0250
7. Instructions
Constant Index
I J K
Ö (Note)
221