Changeset 434 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH0h_HReset.asm

Timestamp:

Jun 19, 2012, 6:18:46 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Quick fix to AH=00h: Error code is again preserved if entry DL contains foreign drive number.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH0h_HReset.asm (modified) (3 diffs)

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

@@ -41 +41 @@
     xor     bx, bx                      ; Zero BH to assume no errors
     or      bl, dl                      ; Copy requested drive to BL
-    eCMOVS  dl, bh                      ; Reset Floppy Drive 00h since DL has Hard Drive number
+    eCMOVS  dl, bh                      ; Reset Floppy Drive(s) with 00h since DL has Hard Drive number
 
     xor     ah, ah                      ; Disk Controller Reset
@@ -90 +90 @@
 ; ResetForeignHardDisks
 ;   Parameters:
-;       BL:     Requested drive (DL when entering AH=00h)
+;       BL:     Requested Hard Drive (DL when entering AH=00h)
 ;       DS:     RAMVARS segment
 ;   Returns:
@@ -105 +105 @@
     cmp     [RAMVARS.bFirstDrv], dl
     je      SHORT NoForeignDrivesToReset
+
+    cmp     bl, [RAMVARS.bFirstDrv]
+    eCMOVB  dl, bl                  ; DL when entering AH=00h
 
     xor     ah, ah                  ; Disk Controller Reset