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Thanks very much for your help, John. Everything is compiling fine now.

I've enjoyed reading your book on "Power Programming", but haven't read it completely through, yet. As a retired software engineer, I'm looking forward to doing a little "recreational programming".

When compiling code containing lin = FormatNum("WriteResult = %d", lResult); I get a compile error Invalid opcode: fmtnum So the compiler is translating the FormatNum into a line of NBC (I guess...) using the fmtnum function, but then the assembler is not finding the symbol definition?? Ap...