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From: roland@dna.lth.se (Roland Mansson)
Newsgroups: comp.os.msdos.programmer
Subject: Editable characters in textmode?
Message-ID: <1991Jan21.144508.2272@lth.se>
Date: 21 Jan 91 14:45:08 GMT
Sender: newsuser@lth.se (LTH network news server)
Organization: Lund University Computing Center, Sweden
Lines: 33

We are working on a project where we need to display (>)500 
different characters on the screen. We are not sure on the 
way to go now, should we use graphics or textmode?

According to some documentation it's possible to change the 
fonts used in the textmode, and in some places it says that 
only the last 128 characters is placed in ROM (i.e. possible 
to change). Is it possible to change the .CPI files to get 
an alternative font? We can see advantages and drawbacks in 
both approaches and have a fairly good knowledge about 
graphic oriented displays, but we would like to have some 
tips and advises on a textmode solution, a topic seldom 
covered in PC-literature. On a "Hercules plus" card this is 
easily done, but how about the other cards? Its obviously 
done in some programs, for example Norton Utilities displays 
a mousecursor in textmode drawn by changing the textfont on 
the fly.

Is it possible, we probably must have 2 fonts and switch 
them in and out?

How is the .CPI files used?

Has someone done anything similar?

Thanks in advance
Joakim Bengtson & Lars Sigebo
Lund University Computing Center
-- 
Roland Mansson, Lund University Computing Center, Box 783, S220 07 Lund, Sweden
Phone: +46-46107436   Fax: +46-46138225   Bitnet: roland_m@seldc52
Internet: roland.mansson@ldc.lu.se   or   roland.mansson%ldc.lu.se@uunet.uu.net
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