Changeset 26 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/Common/HPIO.asm

Timestamp:

Jul 26, 2010, 6:30:33 PM (14 years ago)

Author:

aitotat

google:author:

aitotat

Message:

Fixed a bug where Disk Parameter Table was accessed with wrong pointer register after writing last block
Cleaned AH=00h, Disk Controller Reset a bit

File:

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

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/Common/HPIO.asm

@@ -232 +232 @@
 HPIO_WriteToDrive:
     cld                                     ; OUTS to increment SI
-    call    HStatus_WaitDrqDefTime          ; Always poll DRQ for first block
+    call    HStatus_WaitDrqDefTime          ; Always poll DRQ for first block, get data port to DX
     jc      SHORT .RetError                 ; Return if error (code in AH)
     sub     dx, BYTE REGR_IDE_ST            ; DX to Data Port address
@@ -251 +251 @@
     jmp     HStatus_WaitIrqOrRdy            ; Check for errors
 
-    
+
 ;--------------------------------------------------------------------
 ; Bus specific transfer functions and lookup table.