6F3B0253
Basic Hardware and Function 207
7. Instructions
FUN 137 SUBR Subroutine entry
Expression
−[ SUBR (n) ]−−
Function
This instruction indicates the begging of a subroutine.
Execution condition
Input Operation Output
-Execution -
Operand
Name Device Register Constant Index
X Y R S T. C. XWYWRWSW T C D I J K
nSubroutine
number (Note)
Example
The begging of the subroutine number 8 is indicated.
Main program Subroutin e
| | [ CALL N.008 ] [ SUBR (008)]
[ RET ]
Note
The possible subroutine number is 0 to 15 (T1) or 0 to 255 (T1S).
Refer to the CALL instruction (FUN 128) and the RET instruction (FUN 129).
The SUBR instruction can be programmed only in the program type ‘Subroutine’.
Nesting of subroutine is not allowed. That is, the CALL instruction cannot be used in a
subroutine.
No other instruction cannot be placed on the rung of the SUBR instruction.