Try to change the Set Device To Printer command into Set Device to File somefile.txt, and then analyze the file.
And BTW, the command to create a rectangle, was @ x1,y2,x2,y2 Box
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LOL Yeah, I remember "drawing boxes that way. None of those in play here though.... just straight @ x, y SAY something
Good thought about doing SET DEVICE TO somefile.txt.... will do that for both the call that works and the call that doesn't and do a hex display of the results to see what difference exists in the "whitespace". Thanks for the idea.