Mail Archives: djgpp/2003/09/28/08:47:56
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From: | "Giorgio Medeot" <gmedeot AT yahoo DOT it>
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Newsgroups: | comp.os.msdos.djgpp
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References: | <GrWcb.349526$lK4 DOT 11170457 AT twister1 DOT libero DOT it> <bl1cpt$f2e$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE>
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Subject: | Re: strange bright/blink behavior
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Lines: | 34
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Message-ID: | <lCAdb.353968$lK4.11362125@twister1.libero.it>
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Date: | Sun, 28 Sep 2003 12:37:37 GMT
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Organization: | [Infostrada]
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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> Giorgio Medeot <gmedeot AT yahoo DOT it> wrote:
>
> > When I launch foo.exe, if the DOS prompt is located at the bottom of
the
> > screen, so that executing foo.exe causes the screen to scroll, all new
> > lines that are printed also look as they had the blink bit set.
>
> I suspect that's because the effect of updating "ScreenAttrib" only
takes
> place if you actually output a character.
If I putch() a new character after restoring ScreenAttrib, it looks ok (so
"ScreenAttrib" should have been updated); but after foo has exited, new
lines on the screen still blink. Moreover, if I type at the DOS prompt:
cls
foo.exe
nothing strange happens, but if I press the enter key many times, reaching
the bottom of the screen, and then I type foo.exe, pressing now enter
gives me the blinking lines. This makes no sense to me.
> I think you should rather use one of the other <conio.h> functions
> instead of putch(), which take the attribute as one of their
> arguments, and leave ScreenAttrib alone. See, e.g., ScreenPutChar().
I'll give it a try, but it's a little tedious to me having to get the
current cursor position every time I need to print a character
Thank you for helping, Jo.
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