source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH11h_HRecal.asm@ 3

Last change on this file since 3 was 3, checked in by Tomi Tilli, 15 years ago
File size: 1.5 KB
Line 
1; File name : AH11h_HRecal.asm
2; Project name : IDE BIOS
3; Created date : 28.9.2007
4; Last update : 12.4.2010
5; Author : Tomi Tilli
6; Description : Int 13h function AH=11h, Recalibrate.
7
8; Section containing code
9SECTION .text
10
11;--------------------------------------------------------------------
12; Int 13h function AH=11h, Recalibrate.
13;
14; AH11h_HandlerForRecalibrate
15; Parameters:
16; AH: Bios function 11h
17; DL: Drive number
18; Parameters loaded by Int13h_Jump:
19; DS: RAMVARS segment
20; Returns:
21; AH: BIOS Error code
22; CF: 0 if succesfull, 1 if error
23; IF: 1
24; Corrupts registers:
25; Flags
26;--------------------------------------------------------------------
27ALIGN JUMP_ALIGN
28AH11h_HandlerForRecalibrate:
29 push dx
30 push cx
31 push bx
32 push ax
33 call AH11h_RecalibrateDrive
34 jmp Int13h_PopXRegsAndReturn
35
36
37;--------------------------------------------------------------------
38; Int 13h function AH=11h, Recalibrate.
39;
40; AH11h_HRecalibrate
41; Parameters:
42; DL: Drive number
43; DS: RAMVARS segment
44; Returns:
45; DS:DI: Ptr to DPT
46; AH: BIOS Error code
47; CF: 0 if succesfull, 1 if error
48; Corrupts registers:
49; AL, BX, CX, DX
50;--------------------------------------------------------------------
51ALIGN JUMP_ALIGN
52AH11h_RecalibrateDrive:
53 ; Recalibrate command is optional, vendor specific and not even
54 ; supported on later ATA-standards. Let's do seek instead.
55 mov cx, 1 ; Seek to Cylinder 0, Sector 1
56 xor dh, dh ; Head 0
57 call AHCh_SeekToCylinder
58 ret
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