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Date: | Thu, 10 Jul 1997 10:43:59 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
To: | 1 AT 1 DOT com, Jon Martin <jmartin AT obed DOT cs DOT ualberta DOT ca> |
cc: | djgpp AT delorie DOT com, 1s AT ge1ties DOT com |
Subject: | Re: Help! Confused by problems with VESA programming. |
In-Reply-To: | <33C35E74.79EA@ge1ties.com> |
Message-ID: | <Pine.SUN.3.91.970710104205.19359G-100000@is> |
MIME-Version: | 1.0 |
On Wed, 9 Jul 1997, _ wrote: > regs.x.ax = 0x4F00; > regs.x.di = __tb & 0x0F; > regs.x.es = (__tb >> 4) & 0xFFFF; > > This should be changed to > > regs.x.di = __tb & 0xfffF; > regs.x.es = (__tb & 0xFFFF0000)>>4; This change is redundant: both ways should work the same. Keep in mind that in real mode, there's more than one way to decompose a linear address into a SEGMENT:OFFSET pair.
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