mkinitrd-magellan/isolinux/writehex.inc

;; $Id: writehex.inc,v 1.1 2007-09-01 22:44:06 niro 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

1	niro	532	;; $Id: writehex.inc,v 1.1 2007-09-01 22:44:06 niro Exp $
2			;; -----------------------------------------------------------------------
3			;;
4			;; Copyright 1994-2002 H. Peter Anvin - All Rights Reserved
5			;;
6			;; This program is free software; you can redistribute it and/or modify
7			;; it under the terms of the GNU General Public License as published by
8			;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
9			;; Boston MA 02111-1307, USA; either version 2 of the License, or
10			;; (at your option) any later version; incorporated herein by reference.
11			;;
12			;; -----------------------------------------------------------------------
13
14			;;
15			;; writehex.inc
16			;;
17			;; Write hexadecimal numbers to the console
18			;;
19
20			section .text
21			;
22			; writehex[248]: Write a hex number in (AL, AX, EAX) to the console
23			;
24			writehex2:
25			pushfd
26			pushad
27			rol eax,24
28			mov cx,2
29			jmp short writehex_common
30			writehex4:
31			pushfd
32			pushad
33			rol eax,16
34			mov cx,4
35			jmp short writehex_common
36			writehex8:
37			pushfd
38			pushad
39			mov cx,8
40			writehex_common:
41			.loop: rol eax,4
42			push eax
43			and al,0Fh
44			cmp al,10
45			jae .high
46			.low: add al,'0'
47			jmp short .ischar
48			.high: add al,'A'-10
49			.ischar: call writechr
50			pop eax
51			loop .loop
52			popad
53			popfd
54			ret
55