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Message-ID: | <000c01be445b$c7537240$a2e9bcca@harveen.tm.net.my> |
From: | "Guan Foo Wah" <jgfw AT usa DOT net> |
To: | <djgpp AT delorie DOT com> |
Subject: | Re: Need help with VESA code please |
Date: | Wed, 20 Jan 1999 14:28:39 +0800 |
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Reply-To: | djgpp AT delorie DOT com |
>Is someone having some code for plotting pixels in 8+-bit VESA graphics >modes? It should work with Borland C 3.1 (may contain intel assembly) - >sorry, but I don't know any other place where to ask... I've already >written the main code but I have no clue how to do bank switching,... >(it's my first try on VESA programming - everything's okay except the >drawing functions ;). The tutorials that I've found are complete >VESA-howto's for DJGPP or WatcomC (and I'm really the wrong person for >porting 32-bit AT&T / intel assembly to 16-bit intel assembly ;-). So I >mean plotting a single pixel by using There are two methods for bank switching. One is to jump to the bank swiching code in memory which I don't know how to do it in DJGPP. The second is to use interrupt which is simple ah = 0x4F al = 5 bx =0 dx = bank_no call int = 0x10
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