how i manually find resolution if i know the mode i used

for example

i used text mode (03h) having 80x25 then how i calculated the resolution
(i.e 720*400)

any idea how (720*400) comes i.e any formula
Posted on 2006-05-21 03:26:29 by sihotaamarpal
You need to know the size of a single character... unfortunately, this is not a constant - it differs. So, no, there is no formula. A complete list of resolutions is here:

http://www.ctyme.com/intr/rb-0069.htm

Ossa
Posted on 2006-05-21 04:11:45 by Ossa