| 1 | ; Project name : XTIDE Universal BIOS
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| 2 | ; Description : Int 13h function AH=11h, Recalibrate.
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| 3 |
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| 4 | ; Section containing code
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| 5 | SECTION .text
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| 6 |
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| 7 | ;--------------------------------------------------------------------
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| 8 | ; Int 13h function AH=11h, Recalibrate.
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| 9 | ;
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| 10 | ; AH11h_HandlerForRecalibrate
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| 11 | ; Parameters:
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| 12 | ; DL: Translated Drive number
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| 13 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
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| 14 | ; SS:BP: Ptr to IDEREGS_AND_INTPACK
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| 15 | ; Returns with INTPACK:
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| 16 | ; AH: BIOS Error code
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| 17 | ; CF: 0 if successful, 1 if error
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| 18 | ;--------------------------------------------------------------------
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| 19 | ALIGN JUMP_ALIGN
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| 20 | AH11h_HandlerForRecalibrate:
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| 21 | %ifndef USE_186
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| 22 | call AH11h_RecalibrateDrive
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| 23 | jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
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| 24 | %else
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| 25 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
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| 26 | ; Fall to AH11h_RecalibrateDrive
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| 27 | %endif
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| 28 |
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| 29 |
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| 30 | ;--------------------------------------------------------------------
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| 31 | ; AH11h_HRecalibrate
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| 32 | ; Parameters:
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| 33 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
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| 34 | ; SS:BP: Ptr to IDEREGS_AND_INTPACK
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| 35 | ; Returns:
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| 36 | ; AH: BIOS Error code
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| 37 | ; CF: 0 if successful, 1 if error
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| 38 | ; Corrupts registers:
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| 39 | ; AL, BX, CX, DX
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| 40 | ;--------------------------------------------------------------------
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| 41 | AH11h_RecalibrateDrive:
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| 42 | ; Recalibrate command is optional, vendor specific and not even
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| 43 | ; supported on later ATA-standards. Let's do seek instead.
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| 44 | mov cx, 1 ; Seek to Cylinder 0, Sector 1
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| 45 | xor dh, dh ; Head 0
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| 46 | jmp AHCh_SeekToCylinder
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