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PM94P01C90

Reference

Table 36: GOSUB

GOSUB Go To subroutine Statement

Purpose

GOSUB transfers control to subroutine.

Syntax

GOSUB <subname>

<subname> a valid subroutine name

Remarks

After return from subroutine program resumes from next statement after GOSUB

See Also

GOTO, JUMP, RETURN

Example:

DO

GOSUB CALCMOVE ;Go to CALCMOVE Subroutine

MOVED V1 ;Move distance calculated in Subroutine

UNTIL INA1

END

SUB CALCMOVE:

V1=(V2+V3)/2 ;Subroutine statement, Calculates value for V1

RETURN ;Return to main program execution

Table 37: GOTO

GOTO Go To Statement

Purpose

Transfer program execution to label following the GOTO instruction.

Syntax

GOTO <label>

Remarks

See Also

GOSUB, JUMP

Example:

GOTO Label2

{Statements…}

Label2:

{Statements…}

Table 38: HALT

HALT Halt the program execution Statement

Purpose

Used to halt main program execution. Events are not halted by the HALT statement. Execution will be

resumed by the RESET statement or by executing a JUMP to code from the EVENT handler.

Syntax

HALT

Remarks

This statement is convenient when writing event driven programs.

See Also

RESET

Example:

{Statements…}

HALT ;halt main program execution and wait for event

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