Changeset 507 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Initialization/AdvancedAta/AdvAtaInit.asm

Timestamp:

Mar 1, 2013, 5:12:33 PM (11 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.

File:

• trunk/XTIDE_Universal_BIOS/Src/Initialization/AdvancedAta/AdvAtaInit.asm (modified) (2 diffs)

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