Changeset 221 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH2h_HRead.asm

Timestamp:

Jan 25, 2012, 2:36:47 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• AH=0Ch (Seek) should work properly again.
• More than 127 sectors are no longer allowed for EBIOS functions.
• Changed location for BOOTNFO structs.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH2h_HRead.asm (modified) (2 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, 0=256)
+;       AL:     Number of sectors to read (1...128)
 ;       CH:     Cylinder number, bits 7...0
 ;       CL:     Bits 7...6: Cylinder number bits 9 and 8
@@ -28 +28 @@
 ALIGN JUMP_ALIGN
 AH2h_HandlerForReadDiskSectors:
-    call    CommandLookup_GetOldInt13hIndexToBX
+    call    Prepare_BufferToESSIforOldInt13hTransfer
+    call    Prepare_GetOldInt13hCommandIndexToBX
     mov     ah, [cs:bx+g_rgbReadCommandLookup]
     mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)