From: Ullrich von Bassewitz (uz_at_musoftware.de)
Date: 2003-04-09 21:18:03
On Wed, Apr 09, 2003 at 07:47:27PM +0200, Debrune Jérôme wrote:
> Does it use Rom vector for cursor location for example ? or does conio use his
> own variable in ram ?
This depends. If there is a ROM routine that does exactly what is needed for
conio, it is used. If the ROM implementation differs, is slow or whatever, it
is not used.
One example where the ROM routines are rarely used is cputc(): Usually the ROM
implementations have some sort of escape code interpretation to switch colors
or similar. Conio cputc() should only honor \n and \r, so the ROM routines
cannot be used in many cases.
Regards
Uz
--
Ullrich von Bassewitz uz_at_musoftware.de
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