Changeset 507 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Initialization

Timestamp:

Mar 1, 2013, 5:12:33 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Reduced minimum time to display hotkeys. Now it is 2 seconds.
• Brought back IDE controller reset.
• Space savings by merging AH=Dh to AH=0h. AH=Dh is now redirected to AH=9h.

Location:

trunk/XTIDE_Universal_BIOS/Src/Initialization

Files:

• AdvancedAta/AdvAtaInit.asm (modified) (2 diffs)
• Initialize.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Src/Initialization/AdvancedAta/AdvAtaInit.asm

@@ -69 +69 @@
 ;       DS:DI:  Ptr to DPT for Single or Slave Drive
 ;   Returns:
+;       AH:     Int 13h return status
 ;       CF:     Cleared if success or no controller to initialize
 ;               Set if error
 ;   Corrupts registers:
-;       AX, BX, CX, DX
+;       AL, BX, CX, DX
 ;--------------------------------------------------------------------
 AdvAtaInit_InitializeControllerForDPTinDSDI:
@@ -91 +92 @@
 
 .NoAdvancedController:
+    xor     ax, ax                      ; Success
     ret
 

trunk/XTIDE_Universal_BIOS/Src/Initialization/Initialize.asm

@@ -80 +80 @@
     call    DetectDrives_FromAllIDEControllers
     call    Interrupts_InitializeInterruptVectors
-    ; Fall to .StoreDptPointersToIntVectors
-
-;--------------------------------------------------------------------
-; .StoreDptPointersToIntVectors
-;   Parameters:
-;       DS:     RAMVARS segment
-;       ES:     BDA and interrupt vector segment (zero)
-;   Returns:
-;       Nothing
-;   Corrupts registers:
-;       DX, DI
-;--------------------------------------------------------------------
-.StoreDptPointersToIntVectors:
-    mov     dl, 80h
-    call    FindDPT_ForDriveNumberInDL   ; DPT to DS:DI
-    jc      SHORT .FindForDrive81h  ; Store nothing if not our drive
-    mov     [es:HD0_DPT_POINTER_41h*4], di
-    mov     [es:HD0_DPT_POINTER_41h*4+2], ds
-.FindForDrive81h:
-    inc     dx
-    call    FindDPT_ForDriveNumberInDL
-    jc      SHORT .ResetDetectedDrives
-    mov     [es:HD1_DPT_POINTER_46h*4], di
-    mov     [es:HD1_DPT_POINTER_46h*4+2], ds
     ; Fall to .ResetDetectedDrives