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	;; $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