Changeset 93 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h

Timestamp:

Jan 27, 2011, 6:00:34 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS:

• Diagnostic cylinder can no longer be reserved.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH8h_HParams.asm (modified) (2 diffs)

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

@@ -1 @@
-; File name     :   AH8h_HParams.asm
-; Project name  :   IDE BIOS
-; Created date  :   27.9.2007
-; Last update   :   24.9.2010
-; Author        :   Tomi Tilli
+; Project name  :   XTIDE Universal BIOS
 ; Description   :   Int 13h function AH=8h, Read Disk Drive Parameters.
 
@@ -73 +69 @@
     call    FindDPT_ForDriveNumber
     call    AccessDPT_GetLCHSfromPCHS   ; AX=sectors, BX=cylinders, DX=heads
-    call    AH8h_ReserveCylinders
     call    AH8h_PackReturnValues
     xor     ax, ax                      ; Clear AH and CF
-    ret
-
-
-;--------------------------------------------------------------------
-; Reserves diagnostic cylinder if so configured.
-;
-; AH8h_ReserveCylinders
-;   Parameters:
-;       BX:     Total number of L-CHS cylinders available
-;       DS:DI:  Ptr to DPT
-;   Returns:
-;       BX:     Number of L-CHS cylinders available after reserving
-;   Corrupts registers:
-;       CX
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-AH8h_ReserveCylinders:
-    test    BYTE [cs:ROMVARS.wFlags], FLG_ROMVARS_MAXSIZE
-    jnz     SHORT .Return
-    dec     bx                          ; Reserve diagnostic cylinder
-ALIGN JUMP_ALIGN
-.Return:
     ret