Changeset 165 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH25h_HDrvID.asm

Timestamp:

Aug 20, 2011, 6:37:44 PM (14 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Hopefully this commit is successful. Sorry for the mess.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH25h_HDrvID.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH25h_HDrvID.asm

@@ -22 +22 @@
 ALIGN JUMP_ALIGN
 AH25h_HandlerForGetDriveInformation:
+    mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
+%ifdef USE_186
+    push    Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+    ; Fall to AH25h_GetDriveInformationToBufferInESSIfromDriveInDL
+%else
+    call    AH25h_GetDriveInformationToBufferInESSIfromDriveInDL
+    jmp     Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+%endif
+
+
+;--------------------------------------------------------------------
+; AH25h_GetDriveInformationToBufferInESSIfromDriveInDL
+;   Parameters:
+;       DL:     Translated Drive number
+;       DS:DI:  Ptr to DPT (in RAMVARS segment)
+;       ES:SI:  Ptr to buffer to receive 512-byte drive information
+;   Returns with INTPACK:
+;       AH:     Int 13h return status
+;       CF:     0 if succesfull, 1 if error
+;   Corrupts registers:
+;       AL, BX, CX, DX
+;--------------------------------------------------------------------
+AH25h_GetDriveInformationToBufferInESSIfromDriveInDL:
+    push    es
     push    bp
+    push    di
+    push    si
 
-    mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
     call    AccessDPT_GetDriveSelectByteToAL
     mov     bh, al
@@ -31 +56 @@
     call    Device_IdentifyToBufferInESSIwithDriveSelectByteInBH
 
+    pop     si
+    pop     di
     pop     bp
-    jmp     Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+    pop     es
+    ret