Changeset 95 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Boot


Ignore:
Timestamp:
Jan 28, 2011, 11:55:34 AM (14 years ago)
Author:
Tomi Tilli
google:author:
aitotat
Message:

Changes to XTIDE Universal BIOS:

  • Smaller boot sector loading string.
  • Cleaned boot code a bit.
Location:
trunk/XTIDE_Universal_BIOS/Src/Boot
Files:
3 edited

Legend:

Unmodified
Added
Removed

  • trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenu.asm

    r93 r95  
    1212;       DS:     RAMVARS segment
    1313;   Returns:
    14 ;       DX:     Untranslated drive number to be used for booting (if CF cleared)
    15 ;               Function number (if CF set)
    16 ;       CF:     Cleared if drive selected
    17 ;               Set if function selected
     14;       DX:     Untranslated drive number to be used for booting
    1815;   Corrupts registers:
    1916;       All General Purpose Registers
    … …  
    2623    call    BootMenuPrint_ClearScreen
    2724    cmp     cx, BYTE NO_ITEM_SELECTED
    28     je      SHORT BootMenu_DisplayAndReturnSelection
     25    je      SHORT BootMenu_DisplayAndReturnSelection    ; Clear screen and display menu
    2926    jmp     SHORT BootMenu_ConvertMenuitemFromCXtoDriveInDX
    3027

  • trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuEvent.asm

    r93 r95  
    108108    cmp     ah, ROM_BOOT_HOTKEY_SCANCODE
    109109    jne     SHORT .CheckDriveHotkeys
    110     int     INTV_BOOT_FAILURE       ; ROM Boot, never returns
     110    jmp     Int19hMenu_RomBoot
    111111ALIGN JUMP_ALIGN
    112112.CheckDriveHotkeys:

  • trunk/XTIDE_Universal_BIOS/Src/Boot/BootPrint.asm

    r88 r95  
    2020    mov     bp, sp
    2121
    22     mov     ax, g_szHardDrv
     22    mov     ax, g_szHDD
    2323    test    dl, 80h
    24     eCMOVZ  ax, g_szFloppyDrv
    25     push    ax                  ; "Hard Drive" or "Floppy Drive"
     24    eCMOVZ  ax, g_szFDD
     25    push    ax
    2626
    2727    call    DriveXlate_ToOrBack
    … …  
    3535
    3636;--------------------------------------------------------------------
    37 ; BootPrint_BootSectorLoaded
     37; BootPrint_BootSectorResultStringFromBX
    3838;   Parameters:
    39 ;       Nothing
     39;       CS:BX:  Ptr to "found" or "not found"
    4040;   Returns:
    4141;       Nothing
    … …  
    4444;--------------------------------------------------------------------
    4545ALIGN JUMP_ALIGN
    46 BootPrint_BootSectorLoaded:
     46BootPrint_BootSectorResultStringFromBX:
    4747    push    bp
    4848    mov     bp, sp
    4949    ePUSH_T ax, g_szBootSector
    50     ePUSH_T ax, g_szFound
    51     jmp     SHORT PrintBootSectorResult
    52 
    53 ;--------------------------------------------------------------------
    54 ; BootPrint_FirstSectorNotBootable
    55 ;   Parameters:
    56 ;       Nothing
    57 ;   Returns:
    58 ;       Nothing
    59 ;   Corrupts registers:
    60 ;       AX, SI
    61 ;--------------------------------------------------------------------
    62 ALIGN JUMP_ALIGN
    63 BootPrint_FirstSectorNotBootable:
    64     push    bp
    65     mov     bp, sp
    66     ePUSH_T ax, g_szBootSector
    67     ePUSH_T ax, g_szNotFound
    68 PrintBootSectorResult:
     50    push    bx          ; "found" or "not found"
    6951    mov     si, g_szSectRead
    7052    jmp     BootMenuPrint_FormatCSSIfromParamsInSSBP
    … …  
    7860;       Nothing
    7961;   Corrupts registers:
    80 ;       AX, CX, SI
     62;       AX, BX, SI
    8163;--------------------------------------------------------------------
    8264ALIGN JUMP_ALIGN
    … …  
    8466    push    bp
    8567    mov     bp, sp
    86     eMOVZX  cx, ah              ; Error code to CX
    87     push    cx                  ; Push INT 13h error code
     68    eMOVZX  bx, ah
     69    push    bx                  ; Push INT 13h error code
    8870    mov     si, g_szReadError
    8971    jmp     BootMenuPrint_FormatCSSIfromParamsInSSBP
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