Changeset 27 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Initialization

Timestamp:

Jul 28, 2010, 6:53:32 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

• v1.1.1 broke booting from foreign drives, it is now fixed.
• 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.
• Timeout errors might now get translated for better error codes on certain situations.

Location:

trunk/XTIDE_Universal_BIOS/Src/Initialization

Files:

• FloppyDrive.asm (modified) (2 diffs)
• Initialize.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/Initialization/FloppyDrive.asm

@@ -2 +2 @@
 ; Project name  :   IDE BIOS
 ; Created date  :   25.3.2010
-; Last update   :   2.5.2010
+; Last update   :   28.7.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Various floppy drive related functions that
@@ -25 +25 @@
 FloppyDrive_IsInt40hInstalled:
     cmp     WORD [es:INTV_FLOPPY_FUNC*4+2], 0C000h  ; Any ROM segment?
-    jae     SHORT .Int40hIsAlreadyInstalled
-    clc
-    ret
-ALIGN JUMP_ALIGN
-.Int40hIsAlreadyInstalled:
-    stc
+    cmc
     ret
 

trunk/XTIDE_Universal_BIOS/Src/Initialization/Initialize.asm

@@ -2 +2 @@
 ; Project name  :   IDE BIOS
 ; Created date  :   23.3.2010
-; Last update   :   1.7.2010
+; Last update   :   28.7.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Functions for initializing the BIOS.
@@ -418 +418 @@
 ALIGN JUMP_ALIGN
 Initialize_ResetDetectedDrives:
-    xor     ah, ah              ; Disk Controller Reset
-    mov     dl, 80h             ; Reset all floppy drives and hard disks
-    int     INTV_DISK_FUNC
-    ret
+    xor     bx, bx
+    call    ResetFloppyDrivesWithInt40h
+    mov     bl, 80h
+    call    ResetForeignHardDisks
+    jmp     AH0h_ResetHardDisksHandledByOurBIOS