| 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 INTPACK |
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| 15 | ; Returns with INTPACK in SS:BP: |
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| 16 | ; AH: BIOS Error code |
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| 17 | ; CF: 0 if succesfull, 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 through 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 | ; Returns: |
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| 35 | ; AH: BIOS Error code |
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| 36 | ; CF: 0 if succesfull, 1 if error |
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| 37 | ; Corrupts registers: |
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| 38 | ; AL, BX, CX, DX |
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| 39 | ;-------------------------------------------------------------------- |
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| 40 | AH11h_RecalibrateDrive: |
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| 41 | ; Recalibrate command is optional, vendor specific and not even |
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| 42 | ; supported on later ATA-standards. Let's do seek instead. |
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| 43 | mov cx, 1 ; Seek to Cylinder 0, Sector 1 |
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| 44 | xor dh, dh ; Head 0 |
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| 45 | jmp AHCh_SeekToCylinder |
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