single tone during 41cx program execution, error?

[Dieter]

(08-20-2016 11:22 PM)twdeckard Wrote:  I have a short program which is doing some elaborate parsing of an alpha extended memory file and I am getting a single tone repeatedly intermittently during one of the loops.

Is this the same tone as the one you get after entering 24 characters in Alpha?

(08-20-2016 11:22 PM)twdeckard Wrote:  Before I transcribe the FOCAL, can anyone deduce an explanation?

Obviously it's the other way round: post the program here and, important, mark the exact line where the tone occurs. This way an explanation may be possible.

Dieter