Changeset 528 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Menus/DriveXlate.asm

Timestamp:

Mar 22, 2013, 5:43:54 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Swapping Floppy and Hard Drives at the same time work again (broke in r492).
• Hotkeys again work in boot menu (broke in r492).

File:

• trunk/XTIDE_Universal_BIOS/Src/Menus/DriveXlate.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/Menus/DriveXlate.asm

@@ -143 +143 @@
 ;       Nothing
 ;   Corrupts registers:
-;       AX, DI, DL
+;       Nothing
 ;--------------------------------------------------------------------
 DriveXlate_Reset:
-    xor     dl, dl              ; no translation for a floppy
-    ;; fall through to DriveXlate_SetDriveToSwap
+    mov     WORD [RAMVARS.xlateVars+XLATEVARS.wFDandHDswap], 8000h
+    ret
+
 
 ;--------------------------------------------------------------------
@@ -154 +155 @@
 ; DriveXlate_SetDriveToSwap
 ;   Parameters:
-;       DL:     Drive to swap to 00h or 80h
+;       DL:     Hard Drive to swap to first Hard Drive
+;               Floppy Drive to swap to first Floppy Drive
 ;       DS:     RAMVARS segment
 ;   Returns:
 ;       Nothing
 ;   Corrupts registers:
-;       AX, DI
+;       Nothing
 ;--------------------------------------------------------------------
 DriveXlate_SetDriveToSwap:
-    mov     ax, 8000h           ; Default mapping (no translation)
     test    dl, dl              ; Floppy drive?
     js      SHORT .SetHardDriveToSwap
-    mov     al, dl              ; Store floppy translation
-    SKIP2B  di
+
+    ; Set Floppy Drive to swap
+    mov     [RAMVARS.xlateVars+XLATEVARS.bFDSwap], dl
+    ret
+
 .SetHardDriveToSwap:
-    mov     ah, dl              ; Store HD translation
-    mov     WORD [RAMVARS.xlateVars+XLATEVARS.wFDandHDswap], ax
+    mov     [RAMVARS.xlateVars+XLATEVARS.bHDSwap], dl
     ret