Denso RC5 Specifikace stáhnout pdf (Strana 255)

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Chapter 11 Flow Control Statements

11-5

2. Calling with reference

In calling with reference, a variable can be sent as an argument.

When you wish to designate a whole array as <Argument>, add

parentheses ( ) to the array name.

For a variable sent by calling with reference, if its contents are modified in

the called program, the modification is valid even if it returns to the calling

program.

Example 1: Calling the program of PROGRAM SUB1(AA#)

• If a local variable is sent 1 CALL SUB1(DD#)

• If a local variable is sent 2 CALL SUB1(DA)

(DA has been declared with DEFDBL.)

Note: A value must be assigned to a local variable beforehand.

Example 2: Calling the program of PROGRAM SUB2(BB%(10))

• If a whole array is sent CALL SUB2(AB%())

(AB%(10) has been declared with DIM.)

Note (1): If there is no value assigned to a variable, an error will

occur in execution.

Note (2): If the program name is PRO <Figure>, an argument cannot

be sent.

Note (3): The number of arguments on the calling side must match

that on the called side.

Related Terms

PROGRAM

Example

DEFDBL ld1, ld2

CALL SUB1((ld1)) 'When a variable is sent as a value.

CALL SUB1(10#) 'When a constant is sent.

CALL SUB1(ld1 + ld2) 'When an arithmetic expression is sent.

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