Re: VGA Text characters (

 BBS: Inland Empire Archive
Date: 06-16-92 (10:35)             Number: 197
From: JERRY COFFIN                 Refer#: NONE
  To: SIMON KIRBY                   Recvd: NO  
Subj: Re: VGA Text characters (      Conf: (1) 80xxx

 SK> DOES ANYONE <I repeat> ANYONE KNOW (or think they think
 SK> that they know) where the VGA text characters are located?

Well people don't, but the BIOS does.  Luckily, it's happy to tell you.
However, you first have to realize that a VGA has more than
one set of characters, and you have to decide which one you
want - there are 8X8, 8X14, 9X14 and 9X16 pixel fonts.  Or,
you can simply deal with the current font, whichever that
happens to be.  The BIOS function is int 10h, AX = 1130h,
BL = font number from following table:

00      current text mode font
01      current graphics mode font
02      default 8 X 14 font
03      lower half of 8 X 8 font ( characters 00 - 7f )
04      upper half of 8 X 8 font ( characters 80 - ff )
05      9 X 14 font
06      8 X 16
07      9 X 16

The address of the font is returned in ES:BP, the number of
bytes per character in CL and number of character rows per
screen -1 in dl.
        Later,
        Jerry.

The universe is a figment of its own imagination

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