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Detailed explanation of command words
4MELFA-BASIC IV
Select Case (Select Case)
[Function]
Executes one of multiple statement blocks according to the condition expression value.
[Format]
[Terminology]
<Condition>
Describe a numeric operation expression.
<Expression>
Describe an expression using the following format. The type must be the same as the
condition expression.
*IS <Comparison operator> <Constant>
*<Constant>
*<Constant> TO <Constant>
<Process>
Writes any instruction (other than the GoTo instruction) provided by MELFA-BASIC V.
[Reference Program]
1 Select MCNT
2 M1=10
' This line is not executed
3 Case Is <= 10
' MCNT <= 10
4 Mov P1
5 Break
6 Case 11
'MCNT=11 OR MCNT=12
6 Case 12
7 Mov P2
8 Break
9 Case 13 TO 18
'13 <= MCNT <= 18
10 Mov P4
11 Break
12 Default
' Other than the above.
13 M_Out(10)=1
14 Break
15 End Select
Select[] <Condition>
Case[]<Expression>
[<Process>]
Bresk
Case[]<Expression>
[<Process>]
Break
:
Default
[<Process>]
Break
End[]Select
