The WHERE statement returns the current logical pen position in the x and y numeric variables and pen status information in the optional string variable. For example:
WHERE X,Y,Status$
The Status$ string contains three bytes with the following information:
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Byte
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Meaning
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1
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Pen Status - Up/Down status of the Pen. If the character is a "1" then pen is down; if it is a "0" then the pen is up.
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2
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Comma delimiter character.
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3
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Clip Indicator - If the character is a "0", then the point is outside the P1, P2 limits. If a "1", the point is inside the P1, P2 limits, but outside the viewport. If a "2" then it’s inside the viewport.
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