Changeset 435 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src

Timestamp:

Jun 19, 2012, 6:30:04 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Even quicker optimization to previous fix.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH0h_HReset.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH0h_HReset.asm

@@ -102 +102 @@
     ; We only need to reset drives from the previous INT 13h handler.
     ; There could be more in chain but let the previous one handle them.
-    mov     dl, 80h
-    cmp     [RAMVARS.bFirstDrv], dl
-    je      SHORT NoForeignDrivesToReset
-
-    cmp     bl, [RAMVARS.bFirstDrv]
-    eCMOVB  dl, bl                  ; DL when entering AH=00h
+    mov     dl, [RAMVARS.bFirstDrv]
+    or      dl, 80h                 ; We may not have our drives at all!
+    MIN_U   dl, bl                  ; BL is always Hard Drive number
 
     xor     ah, ah                  ; Disk Controller Reset