Denso RC5 Specifications download pdf (Page 65)

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Chapter 2 Program Flow

2-3

2.1.2 Calling a Program

If a program is created separately from the one that is mainly executed, the

program can be used by calling it like a subroutine.

When the program is called, designate the program name using a CALL

statement.

When a CALL statement calls a program, control moves to the program that is

called. If control executes an END statement on the last line of the called

program, control returns to the next line in the calling program.

The called program can also call another program. However, the called

program cannot call the calling program.

Since one program can call multiple programs, efficiency can be raised by

creating a universal program.

Only global variables can be commonly used in the calling program. Pass local

variables as arguments if required since they are not commonly used. Refer to

“8.16 Calling with a Value and with Reference”.

Program MOTION

Program TIMING

Program PRO2

Program PRO1

Fig. 2-3 Program Calling Diagram

One program can be called from multiple programs.

Other programs can be called in the called prograI.

(Calling nesting)

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 691 692

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Denso RC5 Specifications Page 65

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