Last change
on this file since 150 was
150,
checked in by aitotat, 13 years ago
|
Changes to XTIDE Universal BIOS:
- Redesigned Disk Parameter Tables.
- Code generalizations for supporting non-IDE devices in the future.
|
File size:
855 bytes
|
Rev | Line | |
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[116] | 1 | ; Project name : XTIDE Universal BIOS |
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[3] | 2 | ; Description : Int 13h function AH=1h, Read Disk Status. |
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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=1h, Read Disk Status. |
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| 9 | ; |
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| 10 | ; AH1h_HandlerForReadDiskStatus |
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| 11 | ; Parameters: |
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[148] | 12 | ; DL: Translated Drive number |
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| 13 | ; DS:DI: Ptr to DPT (in RAMVARS segment) |
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[150] | 14 | ; SS:BP: Ptr to IDEREGS_AND_INTPACK |
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| 15 | ; Returns with INTPACK: |
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[3] | 16 | ; AH: Int 13h floppy return status |
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| 17 | ; CF: 0 if AH = RET_HD_SUCCESS, 1 otherwise (error) |
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| 18 | ;-------------------------------------------------------------------- |
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| 19 | ALIGN JUMP_ALIGN |
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| 20 | AH1h_HandlerForReadDiskStatus: |
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[148] | 21 | LOAD_BDA_SEGMENT_TO ds, ax, ! |
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| 22 | xchg ah, [BDA.bHDLastSt] ; Load and clear last error |
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[150] | 23 | call Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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[148] | 24 | jmp Int13h_ReturnFromHandlerWithoutStoringErrorCode |
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