(2006-08-06) rescue-bootcd

extra/syslinux-3.09/writehex.inc

@@ -0,0 +1,55 @@
+;; $Id: writehex.inc,v 1.3 2005/01/18 13:13:50 hpa Exp $
+;; -----------------------------------------------------------------------
+;;   
+;;   Copyright 1994-2002 H. Peter Anvin - All Rights Reserved
+;;
+;;   This program is free software; you can redistribute it and/or modify
+;;   it under the terms of the GNU General Public License as published by
+;;   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+;;   Boston MA 02111-1307, USA; either version 2 of the License, or
+;;   (at your option) any later version; incorporated herein by reference.
+;;
+;; -----------------------------------------------------------------------
+
+;;
+;; writehex.inc
+;;
+;; Write hexadecimal numbers to the console
+;;
+
+		section .text
+;
+; writehex[248]: Write a hex number in (AL, AX, EAX) to the console
+;
+writehex2:
+		pushfd
+		pushad
+		rol eax,24
+		mov cx,2
+		jmp short writehex_common
+writehex4:
+		pushfd
+		pushad
+		rol eax,16
+		mov cx,4
+		jmp short writehex_common
+writehex8:
+		pushfd
+		pushad
+		mov cx,8
+writehex_common:
+.loop:		rol eax,4
+		push eax
+		and al,0Fh
+		cmp al,10
+		jae .high
+.low:		add al,'0'
+		jmp short .ischar
+.high:		add al,'A'-10
+.ischar:	call writechr
+		pop eax
+		loop .loop
+		popad
+		popfd
+		ret
+