From: greenaum AT BOLLOCKSyahoo DOT co DOT uk
Newsgroups: comp.os.msdos.djgpp
Subject: Re: open console into binary mode ?
Organization: Rossum's Universal Robots
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Date: Mon, 27 Sep 1999 23:28:30 GMT
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Like Damien says, you can't send binary to the DOS console. If you do,
the console driver will interpret it however it's written to interpret
it.

The DOS console sort of stems from the Unix and CP/M consoles. If you
send it control characters, characters below 32, it will perform
actions just like a terminal would, eg printing character 7 will sound
a beep. 

Anyway, Control-Q and Control-S are XON and XOFF in the ASCII
standard, and these cause the terminal to stop recieving incoming
data, to freeze the screen. That's probably what's happening here.
You're sending an XOFF to the screen, so you need to send an XON
after. Perhaps you can press one of the keys (I forget which is which)
yourself, but the best thing, is just not to send binary to the
console. It's stupid.

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