source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH11h_HRecal.asm@ 619

Last change on this file since 619 was 526, checked in by krille_n_@…, 12 years ago

Changes:

  • Update of the copyright notices to include the year 2013.
File size: 2.1 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Int 13h function AH=11h, Recalibrate.
3
4;
5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
7;
8; This program is free software; you can redistribute it and/or modify
9; it under the terms of the GNU General Public License as published by
10; the Free Software Foundation; either version 2 of the License, or
11; (at your option) any later version.
12;
13; This program is distributed in the hope that it will be useful,
14; but WITHOUT ANY WARRANTY; without even the implied warranty of
15; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16; GNU General Public License for more details.
17; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18;
19
20; Section containing code
21SECTION .text
22
23;--------------------------------------------------------------------
24; Int 13h function AH=11h, Recalibrate.
25;
26; AH11h_HandlerForRecalibrate
27; Parameters:
28; DL: Translated Drive number
29; DS:DI: Ptr to DPT (in RAMVARS segment)
30; SS:BP: Ptr to IDEREGS_AND_INTPACK
31; Returns with INTPACK:
32; AH: BIOS Error code
33; CF: 0 if successful, 1 if error
34;--------------------------------------------------------------------
35AH11h_HandlerForRecalibrate:
36%ifndef USE_186
37 call AH11h_RecalibrateDrive
38 jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
39%else
40 push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
41 ; Fall to AH11h_RecalibrateDrive
42%endif
43
44
45;--------------------------------------------------------------------
46; AH11h_HRecalibrate
47; Parameters:
48; DS:DI: Ptr to DPT (in RAMVARS segment)
49; SS:BP: Ptr to IDEREGS_AND_INTPACK
50; Returns:
51; AH: BIOS Error code
52; CF: 0 if successful, 1 if error
53; Corrupts registers:
54; AL, BX, CX, DX
55;--------------------------------------------------------------------
56AH11h_RecalibrateDrive:
57 ; Recalibrate command is optional, vendor specific and not even
58 ; supported on later ATA-standards. Let's do seek instead.
59 mov cx, 1 ; Seek to Cylinder 0, Sector 1
60 xor dh, dh ; Head 0
61 jmp AHCh_SeekToCylinder
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