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Last change
on this file since 149 was 148, checked in by Tomi Tilli, 14 years ago |
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Changes to XTIDE Universal BIOS:
- INT 13h optimizations to save almost 100 bytes.
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File size:
747 bytes
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| 1 | ; Project name : XTIDE Universal BIOS
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| 2 | ; Description : Int 13h function AH=10h, Check Drive Ready.
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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=10h, Check Drive Ready.
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| 9 | ;
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| 10 | ; AH10h_HandlerForCheckDriveReady
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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: Int 13h return status
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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 | AH10h_HandlerForCheckDriveReady:
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| 21 | call HStatus_WaitRdyDefTime
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| 22 | xor ah, ah
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| 23 | jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
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