Changeset 43 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src

Timestamp:

Sep 24, 2010, 6:05:18 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Errors are now being checked when calling previous INT 13h handler on AH=08h Read Disk Drive Parameters. This fixes infinite drive checking loop on unofficial MS-DOS 7.10 installer.

Location:

trunk/XTIDE_Universal_BIOS/Src

Files:

• Handlers/Int13h.asm (modified) (1 diff)
• Handlers/Int13h/AH8h_HParams.asm (modified) (2 diffs)
• Main.asm (modified) (3 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm

@@ -121 +121 @@
 ;       Depends on function to call
 ;   Corrupts registers:
-;       FLAGS
+;       Nothing
 ;--------------------------------------------------------------------
 ALIGN JUMP_ALIGN

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH8h_HParams.asm

@@ -2 +2 @@
 ; Project name  :   IDE BIOS
 ; Created date  :   27.9.2007
-; Last update   :   24.8.2010
+; Last update   :   24.9.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Int 13h function AH=8h, Read Disk Drive Parameters.
@@ -43 +43 @@
 .GetDriveParametersForForeignHardDiskInDL:
     call    Int13h_CallPreviousInt13hHandler
+    jc      SHORT .ReturnErrorFromPreviousInt13hHandler
     call    RamVars_GetCountOfKnownDrivesToDL
     jmp     Int13h_ReturnWithValueInDL
+.ReturnErrorFromPreviousInt13hHandler:
+    jmp     Int13h_PopDiDsAndReturn
 
 

trunk/XTIDE_Universal_BIOS/Src/Main.asm

@@ -2 +2 @@
 ; Project name  :   XTIDE Universal BIOS
 ; Created date  :   28.7.2007
-; Last update   :   26.7.2010
+; Last update   :   24.9.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Main file for BIOS. This is the only file that needs
@@ -38 +38 @@
     at  ROMVARS.bRomSize,   db  CNT_ROM_BLOCKS  ; ROM size in 512B blocks
     at  ROMVARS.rgbJump,    jmp Initialize_FromMainBiosRomSearch
-    at  ROMVARS.rgbDate,    db  "09/13/10"      ; Build data (mm/dd/yy)
+    at  ROMVARS.rgbDate,    db  "09/24/10"      ; Build data (mm/dd/yy)
     at  ROMVARS.rgbSign,    db  "XTIDE110"      ; Signature for flash program
     at  ROMVARS.szTitle
@@ -49 +49 @@
         db  " (XT)=-",STOP
 %endif
-    at  ROMVARS.szVersion,  db  "v1.1.4 (09/13/10)",STOP
+    at  ROMVARS.szVersion,  db  "v1.1.4+ (09/24/10)",STOP
 
 ;---------------------------;