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From:	"Jacky Luk" <luckie AT netvigator DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Another GAS problem
Date:	Mon, 15 Apr 2002 22:28:35 +0800
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Hi,
   I have posted on this question in this arena before. In GAS, how do u
load the segment address into ES when dealing with BIOS interrupts like the
13h ? as u know, interrupt 13h requires me to load the es register with the
.text segment value and bx with the offset... for instance:

#include "asmdefs.inc"
.text

.globl start
start:
 movb $0x2, %ah
 movb $0x1, %al
 movb $0x1, %cl
 movb $0x0, %dl
 movw bootbuffer, %bx  <--- I knew this one already
                                             movw -4(%ebp), %ebx
 movw .data, %es  <-- but what about this?
 int $0x13
 movb $0x4c,%ah
 int $0x21

.data
.globl bootbuffer .byte 512 dup (0)




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Mr. Jacky Luk

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