| 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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