Changeset 32 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Boot

Timestamp:

Aug 6, 2010, 7:11:04 AM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Correct number of drives is now returned from AH=08h even when it is redirected to foreign BIOS.

Location:

trunk/XTIDE_Universal_BIOS/Src/Boot

Files:

• BootMenu.asm (modified) (4 diffs)
• BootMenuPrint.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenu.asm

@@ -2 +2 @@
 ; Project name  :   IDE BIOS
 ; Created date  :   25.3.2010
-; Last update   :   29.7.2010
+; Last update   :   3.8.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Displays Boot Menu.
@@ -57 +57 @@
 ALIGN JUMP_ALIGN
 BootMenu_GetMenuitemCount:
-    call    RamVars_GetDriveCounts
-    mov     ax, cx
+    call    RamVars_GetHardDiskCountFromBDAtoCX
+    xchg    ax, cx
     call    FloppyDrive_GetCount
     add     ax, cx
@@ -254 +254 @@
     jb      SHORT .ReturnFloppyDriveInDX
     sub     dx, cx                  ; Remove floppy drives from index
-    call    RamVars_GetDriveCounts
+    call    RamVars_GetHardDiskCountFromBDAtoCX
     cmp     dx, cx                  ; Hard disk?
     jb      SHORT .ReturnHardDiskInDX
@@ -330 +330 @@
 ALIGN JUMP_ALIGN
 BootMenu_IsDriveInSystem:
-    test    dl, 80h                 ; Floppy drive?
+    test    dl, 80h                             ; Floppy drive?
     jz      SHORT .IsFloppyDriveIsInSystem
-    call    RamVars_GetDriveCounts  ; Hard Disk count to CX
-    or      cl, 80h                 ; Set Hard Disk bit to CX
+    call    RamVars_GetHardDiskCountFromBDAtoCX ; Hard Disk count to CX
+    or      cl, 80h                             ; Set Hard Disk bit to CX
     jmp     SHORT .CompareDriveNumberToDriveCount
 .IsFloppyDriveIsInSystem:
-    call    FloppyDrive_GetCount    ; Floppy Drive count to CX
+    call    FloppyDrive_GetCount                ; Floppy Drive count to CX
 .CompareDriveNumberToDriveCount:
     cmp     dl, cl

trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm

@@ -2 +2 @@
 ; Project name  :   IDE BIOS
 ; Created date  :   26.3.2010
-; Last update   :   12.4.2010
+; Last update   :   3.8.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Functions for printing boot menu strings.
@@ -24 +24 @@
     call    FloppyDrive_GetCount
     mov     bl, cl                  ; Floppy Drive count to BL
-    call    RamVars_GetDriveCounts
+    call    RamVars_GetHardDiskCountFromBDAtoCX
     mov     bh, cl                  ; Hard Disk count to BH
     call    BootMenuPrint_GetCoordinatesForBottomStrings