Changeset 169 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH3h_HWrite.asm

Timestamp:

Aug 21, 2011, 4:39:58 PM (14 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Old Int 13h functions can now transfer 256 sectors per call.
• eINT 13h functions can now transfer 65535 sectors per call.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH3h_HWrite.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH3h_HWrite.asm

@@ -15 +15 @@
 ;       SS:BP:  Ptr to IDEREGS_AND_INTPACK
 ;   Parameters on INTPACK:
-;       AL:     Number of sectors to write (1...127)
+;       AL:     Number of sectors to write (1...255, 0=256)
 ;       CH:     Cylinder number, bits 7...0
 ;       CL:     Bits 7...6: Cylinder number bits 9 and 8
@@ -27 +27 @@
 ALIGN JUMP_ALIGN
 AH3h_HandlerForWriteDiskSectors:
-    cmp     al, 0
-    jle     SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
-
     call    CommandLookup_GetOldInt13hIndexToBX
     mov     ah, [cs:bx+g_rgbWriteCommandLookup]