From:	Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Blinking characters
Date:	7 Apr 2003 16:40:52 GMT
Organization:	Aachen University of Technology (RWTH)
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Eric Wajnberg <wajnberg AT antibes DOT inra DOT fr> wrote:

> With textcolor(), textbackgound() (and functions like cprintf()), I can play
> with different colors. This is ok.

> However, I just can't make the printed text to blink. The help on-line on
> textattr() (in conio.h) is not really explicit..

Whether or not the "blink" attribute actually causes characters to
blink or rather displays the background in brighter colour is
controlled by a configuration flag set in the CRT controller chip.
IIRC, windows won't let you set this bit to 'blinking' at all unless
you're running the DOS box in full-screen mode.  This is needed
because blinking would be enormously CPU-intensive in windowed mode.

Anyway, blinking is usually off in full-screen mode, too.  More
colours are generally considered more important than blinking.

-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.

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