Changeset 165 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH2h_HRead.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/AH2h_HRead.asm (modified) (3 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH2h_HRead.asm

@@ -15 +15 @@
 ;       SS:BP:  Ptr to IDEPACK
 ;   Parameters on INTPACK:
-;       AL:     Number of sectors to read (1...255)
+;       AL:     Number of sectors to read (1...127)
 ;       CH:     Cylinder number, bits 7...0
 ;       CL:     Bits 7...6: Cylinder number bits 9 and 8
@@ -29 +29 @@
 AH2h_HandlerForReadDiskSectors:
     cmp     BYTE [bp+IDEPACK.intpack+INTPACK.al], 0
-    je      SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
+    jle     SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
 
-    mov     ah, COMMAND_READ_SECTORS    ; Load sector mode command
-    test    BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED
-    eCMOVNZ ah, COMMAND_READ_MULTIPLE   ; Load block mode command
+    xor     bx, bx
+    call    CommandLookup_OrOldInt13hIndexToBL
+    mov     ah, [cs:bx+g_rgbReadCommandLookup]
     mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
     mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
@@ -55 +55 @@
     mov     ah, RET_HD_INVALID
     jmp     Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+