Changeset 534 in xtideuniversalbios


Ignore:
Timestamp:
Apr 3, 2013, 7:50:11 PM (12 years ago)
Author:
aitotat@…
google:author:
aitotat@gmail.com
Message:

Changes to XTIDE Universal BIOS:

  • Vision controllers are no longer searched from alternative port (B0h) since Intel PIIX4 south bridge mirrors PIC registers there.
File:
1 edited

Legend:

Unmodified
Added
Removed

  • trunk/XTIDE_Universal_BIOS/Src/Initialization/AdvancedAta/Vision.asm

    r526 r534  
    4040    mov     dx, QD65XX_BASE_PORT
    4141    in      al, QD65XX_BASE_PORT + QD65XX_CONFIG_REGISTER_in
     42
     43%if 0
     44    ; Checking alternative base port is currently commented away
     45    ; since Intel PIIX4 south bridge mirrors Interrupt Controller registers
     46    ; from Axh to Bxh.
    4247    call    IsConfigRegisterWithIDinAL
    4348    je      SHORT VisionControllerDetected
    … …  
    4651    or      dl, QD65XX_ALTERNATIVE_BASE_PORT
    4752    in      al, QD65XX_ALTERNATIVE_BASE_PORT + QD65XX_CONFIG_REGISTER_in
     53%endif ; 0
    4854    ; Fall to IsConfigRegisterWithIDinAL
    4955
    … …  
    5965;       Nothing
    6066;--------------------------------------------------------------------
    61 IsConfigRegisterWithIDinAL:
     67;IsConfigRegisterWithIDinAL:
    6268    mov     ah, al
    6369    and     al, MASK_QDCONFIG_CONTROLLER_ID
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