Omron CJ - PROGRAMMING MANUAL 12-2009 - Subroutine Instructions

133
Subroutine Instructions
Section 3-17
3-17 Subroutine Instructions
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
SUBROUTINE
CALL
SBS
@SBS
091
Output
Required
MACRO
MCRO
@MCRO
099
Output
Required
SUBROUTINE
ENTRY
SBN
092
Output
Not required
SUBROUTINE
RETURN
RET
093
Indicates the end of a subroutine program. Output
Not required
SBS(091)
N
N: Subroutine
number
Calls the subroutine with the specified subroutine number and
executes that program.
Execution condition ON
Main program
Subroutine
program
(SBN(092) to
RET(093))
Program end
MCRO(099)
N
S
D
N: Subroutine
number
S: 1st input
parameter word
D: 1st output
parameter word
MCRO(099)
MCRO(099)
Execution of sub-
routine between
SBN(092) and
RET(093).
The subroutine uses A600 to
A603 as inputs and A604 to
A607 as out
p
uts.
Calls the subroutine with the specified subroutine number and
executes that program using the input parameters in S to S+3 and the
output parameters in D to D+3.
SBN(092)
N
N: Subroutine
number
Subroutine region
or
Indicates the beginning of the subroutine program with the specified
subroutine number.
RET(093)