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<h1>IF...THEN Examples</h1>
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<p style="text-align: right;">Syntax: <a href="../Commands/IF_THEN.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">IF…THEN</a></p>
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<p> </p><pre class="BScode" xml:space="preserve">' IF-THEN.BS1
' The program below generates a series of 16-bit random numbers and tests
' each to determine whether they're evenly divisible by 3. If a number is
' evenly divisible by 3, then it is printed, otherwise, the program generates
' another random number. The program counts how many numbers it prints, and
' quits when this number reaches 10.
' {$STAMP BS1}
' {$PBASIC 1.0}
SYMBOL sample = W0 ' Random number to be tested
SYMBOL samps = B2 ' Number of samples taken
SYMBOL temp = B3 ' Temporary workspace
Setup:
sample = 11500
Mult3:
RANDOM sample ' Put a random number into sample
temp = sample // 3
IF temp <> 0 THEN Mult3 ' Not multiple of 3? -- try again
DEBUG #sample, "divides by 3", CR ' show sample divisible by 3
samps = samps + 1 ' Count multiples of 3
IF samps = 10 THEN Done ' Quit with 10 samples
GOTO Mult3 ' keep checking
Done:
DEBUG CR, "All done."
END
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<p>NOTE: The example below is written for the BS2 and will run on any of the BS2-family modules. Modify the $STAMP directive (as required) before downloading to the BS2e, BS2sx, BS2p, BS2pe, or BS2px.</p><pre class="BScode" xml:space="preserve">' IF-THEN.BS2
' The program below generates a series of 16-bit random numbers and tests
' each to determine whether they're evenly divisible by 3. If a number is
' evenly divisible by 3, then it is printed, otherwise, the program generates
' another random number. The program counts how many numbers it prints, and
' quits when this number reaches 10.
' {$STAMP BS2}
' {$PBASIC 2.0}
sample VAR Word ' Random number to be tested
samps VAR Nib ' Number of samples taken
temp VAR Nib ' Temporary workspace
Setup:
sample = 11500
Mult3:
RANDOM sample ' Put a random number into sample
temp = sample // 3
IF (temp <> 0) THEN Mult3 ' Not multiple of 3? -- try again
DEBUG DEC5 sample, " divides by 3", CR
samps = samps + 1 ' Count multiples of 3
IF samps = 10 THEN Done ' Quit with 10 samples
GOTO Mult3 ' keep checking
Done:
DEBUG CR, "All done."
END
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