Thread View: net.micro.atari
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Started by reid
Wed, 14 Mar 1984 03:03
OBSCURE BUG--need help!
Author: reid
Date: Wed, 14 Mar 1984 03:03
Date: Wed, 14 Mar 1984 03:03
26 lines
2153 bytes
2153 bytes
I am tearing my hair out! When trying to run my modem at 1200 baud, I start to lose characters every so often, very predictably and non-noise-related. I have written a terminal emulator in action, which works fine, except for this bug. It always follows an EOL character being Put() to the screen. The first character after the EOL keeps getting lost somewhere, and gets chopped off on the screen. It is not in the buffer, since the buffer never gets more than two characters in it before I read them out. No overflow there, at least. It has nothing to do with the host, since even my modem echoing commands to me exhibits the same property. It starts out fine, then after about 20 lines it starts to act up. Almost like bits are being lost somewhere. The thing is, when I hit system reset, it goes back to normal again. That is, the cycle starts over one more time. This doesn't happen at all at 300 baud, and the crazy thing is, that if I put ANY CHARACTER besides EOL in the same spot (like a slash, for experimentation's sake), then no bytes get lost. Of course, all the output is on the same line, too, so it isn't ideal. I've even tried to simulate EOL by messing around with ROWCRS and COLCRS, but then I have to scroll, and for some reason after I scroll it up I can't use the ROWCRS any more, or it's out of range or something. ANY IDEAS? I can clarify specific details if you think you have some idea what is going on. JACK PALEVICH--I have been looking carefully at your Kermit program--you do things pretty much the same--have you encountered this strange behavior???? H E L P !!! Glenn Reid ...seismo!uwvax!reid
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