Changeset 43 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers


Ignore:
Timestamp:
Sep 24, 2010, 6:05:18 PM (14 years ago)
Author:
Tomi Tilli
google:author:
aitotat
Message:

Errors are now being checked when calling previous INT 13h handler on AH=08h Read Disk Drive Parameters. This fixes infinite drive checking loop on unofficial MS-DOS 7.10 installer.

Location:
trunk/XTIDE_Universal_BIOS/Src/Handlers
Files:
2 edited

Legend:

Unmodified
Added
Removed

  • trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm

    r35 r43  
    121121;       Depends on function to call
    122122;   Corrupts registers:
    123 ;       FLAGS
     123;       Nothing
    124124;--------------------------------------------------------------------
    125125ALIGN JUMP_ALIGN

  • trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH8h_HParams.asm

    r35 r43  
    22; Project name  :   IDE BIOS
    33; Created date  :   27.9.2007
    4 ; Last update   :   24.8.2010
     4; Last update   :   24.9.2010
    55; Author        :   Tomi Tilli
    66; Description   :   Int 13h function AH=8h, Read Disk Drive Parameters.
    … …  
    4343.GetDriveParametersForForeignHardDiskInDL:
    4444    call    Int13h_CallPreviousInt13hHandler
     45    jc      SHORT .ReturnErrorFromPreviousInt13hHandler
    4546    call    RamVars_GetCountOfKnownDrivesToDL
    4647    jmp     Int13h_ReturnWithValueInDL
     48.ReturnErrorFromPreviousInt13hHandler:
     49    jmp     Int13h_PopDiDsAndReturn
    4750
    4851
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