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