Denso RC5 Specifications download pdf (Page 254)

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101

11-4

11.2 Call

CALL (Statement)

Function

Calls a program and executes it.

Format

CALL <Program name> [(<Argument>[,<Argument>…])]

Explanation

A CALL statement calls the program designated by <Program name> and

transfers control.

An END statement in a CALL program has the same meaning as a RETURN

statement in a subroutine and returns control to the calling program.

Designate an argument to send the program designated by <Program name>

for <Argument>.

<Argument> can be sent either by “calling with a value” which uses a constant

or expression, or by “calling with reference” which sends a variable. Refer to

Part 1 “2.16 Calling with a Value and with Reference.”

1. Calling with a value

A constant, an arithmetic expression and a character expression with a

value are sent. A variable even when enclosed in parentheses ( ) is

regarded as an expression and can be sent as a value.

For numbered variables, an integer type, single precision type, double

precision type or character string type can be enclosed in parentheses ( )

and sent with a value.

Example: Calling a program of PROGRAM SUB1(AA#)

• If a variable is sent as a value CALL SUB1((D1))

• If a constant is sent CALL SUB1(10#)

• If an arithmetic expression is sent CALL SUB1(D1 + D2)

Note: If an arithmetic expression is sent, note the result type of

expression. The type must be the same as the argument in the

called program.

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Denso RC5 Specifications Page 254

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