Changeset 99 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Initialization/DriveXlate.asm

Timestamp:

Jan 31, 2011, 11:27:17 AM (13 years ago)

Author:

aitotat

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS:

• Even more initialization code inlining.

File:

• trunk/XTIDE_Universal_BIOS/Src/Initialization/DriveXlate.asm (modified) (4 diffs)

trunk/XTIDE_Universal_BIOS/Src/Initialization/DriveXlate.asm

@@ -1 @@
-; File name     :   DriveXlate.asm
-; Project name  :   IDE BIOS
-; Created date  :   15.3.2010
-; Last update   :   24.8.2010
-; Author        :   Tomi Tilli
+; Project name  :   XTIDE Universal BIOS
 ; Description   :   Functions for swapping drive letters.
 
@@ -100 +96 @@
 DriveXlate_SwapFloppyDriveOrHardDisk:
     test    dl, 80h                         ; Hard disk?
-    jnz     SHORT DriveXlate_SwapHardDisk   ; If so, jump to swap
-    ; Fall to DriveXlate_SwapFloppyDrive
-
-;--------------------------------------------------------------------
-; Swaps Floppy Drive number.
-;
-; DriveXlate_SwapFloppyDrive
-;   Parameters:
-;       DL:     Drive number to be possibly swapped
-;       DS:     RAMVARS segment
-;   Returns:
-;       DL:     Translated drive number
-;   Corrupts registers:
-;       AX
-;--------------------------------------------------------------------
-;ALIGN JUMP_ALIGN
-DriveXlate_SwapFloppyDrive:
+    jnz     SHORT .SwapHardDisk ; If so, jump to swap
+    ; Fall to .SwapFloppyDrive
+
+;--------------------------------------------------------------------
+; .SwapFloppyDrive
+;   Parameters:
+;       DL:     Drive number to be possibly swapped
+;       DS:     RAMVARS segment
+;   Returns:
+;       DL:     Translated drive number
+;   Corrupts registers:
+;       AX
+;--------------------------------------------------------------------
+.SwapFloppyDrive:
     eMOVZX  ax, BYTE [RAMVARS.xlateVars+XLATEVARS.bFDSwap]
-    jmp     SHORT DriveXlate_SwapDrive
-
-;--------------------------------------------------------------------
-; Swaps Hard Disk number.
-;
-; DriveXlate_SwapHardDisk
-;   Parameters:
-;       DL:     Drive number to be possibly swapped
-;       DS:     RAMVARS segment
-;   Returns:
-;       DL:     Translated drive number
-;   Corrupts registers:
-;       AX
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-DriveXlate_SwapHardDisk:
+    jmp     SHORT SwapDrive
+
+;--------------------------------------------------------------------
+; .SwapHardDisk
+;   Parameters:
+;       DL:     Drive number to be possibly swapped
+;       DS:     RAMVARS segment
+;   Returns:
+;       DL:     Translated drive number
+;   Corrupts registers:
+;       AX
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+.SwapHardDisk:
     mov     ah, 80h
     mov     al, BYTE [RAMVARS.xlateVars+XLATEVARS.bHDSwap]
-    ; Fall to DriveXlate_SwapDrive
-
-;--------------------------------------------------------------------
-; Swaps Hard Disk or Floppy Drive number.
-;
-; DriveXlate_SwapDrive
+    ; Fall to SwapDrive
+
+;--------------------------------------------------------------------
+; SwapDrive
 ;   Parameters:
 ;       AL:     Drive number to swap to 00h/80h
@@ -151 +140 @@
 ;       Nothing
 ;--------------------------------------------------------------------
-;ALIGN JUMP_ALIGN
-DriveXlate_SwapDrive:
+SwapDrive:
     cmp     ah, dl              ; Swap DL from 00h/80h to xxh?
     je      SHORT .SwapToXXhInAL
@@ -201 +189 @@
 DriveXlate_SetDriveToSwap:
     test    dl, 80h             ; Floppy drive?
-    jnz     SHORT DriveXlate_SetHardDiskToSwap
-    ; Fall to DriveXlate_SetFloppyDriveToSwap
-
-;--------------------------------------------------------------------
-; Stores floppy drive to be swapped.
-;
-; DriveXlate_SetFloppyDriveToSwap
-;   Parameters:
-;       DL:     Drive to swap to 00h
-;       DS:     RAMVARS segment
-;   Returns:
-;       Nothing
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------   
-ALIGN JUMP_ALIGN
-DriveXlate_SetFloppyDriveToSwap:
+    jnz     SHORT .SetHardDiskToSwap
+.SetFloppyDriveToSwap:
     mov     [RAMVARS.xlateVars+XLATEVARS.bFDSwap], dl
     ret
-
-;--------------------------------------------------------------------
-; Stores hard disk to be swapped.
-;
-; DriveXlate_SetHardDiskToSwap
-;   Parameters:
-;       DL:     Drive to swap to 80h
-;       DS:     RAMVARS segment
-;   Returns:
-;       Nothing
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------   
-ALIGN JUMP_ALIGN
-DriveXlate_SetHardDiskToSwap:
+ALIGN JUMP_ALIGN
+.SetHardDiskToSwap:
     mov     [RAMVARS.xlateVars+XLATEVARS.bHDSwap], dl
     ret