Changeset 68 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/Main.asm

Timestamp:

Dec 9, 2010, 6:36:00 PM (13 years ago)

Author:

aitotat

google:author:

aitotat

Message:

Changes to Configurator v2:

• Finally ready for testing.

File:

• trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/Main.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/Main.asm

@@ -2 +2 @@
 ; Project name  :   XTIDE Univeral BIOS Configurator v2
 ; Created date  :   5.10.2010
-; Last update   :   3.12.2010
+; Last update   :   7.12.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Program start and exit.         
@@ -54 +54 @@
 ALIGN JUMP_ALIGN
 Main_Start:
-    CALL_DISPLAY_LIBRARY InitializeDisplayContext
-    CALL_DISPLAY_LIBRARY ClearScreen
+    mov     ax, SCREEN_BACKGROUND_CHARACTER_AND_ATTRIBUTE
+    call    InitializeScreenWithBackgroudCharAndAttrInAX
 
     call    Main_InitializeCfgVars
     call    MenuEvents_DisplayMenu
+    mov     ax, DOS_BACKGROUND_CHARACTER_AND_ATTRIBUTE
+    call    InitializeScreenWithBackgroudCharAndAttrInAX
 
     ; Exit to DOS
-    CALL_DISPLAY_LIBRARY SynchronizeDisplayContextToHardware
     mov     ax, 4C00h           ; Exit to DOS
     int     21h
+
+
+;--------------------------------------------------------------------
+; InitializeScreenWithBackgroudCharAndAttrInAX
+;   Parameters:
+;       AL:     Background character
+;       AH:     Background attribute
+;   Returns:
+;       Nothing
+;   Corrupts registers:
+;       AX, DX, DI
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+InitializeScreenWithBackgroudCharAndAttrInAX:
+    xchg    dx, ax
+    CALL_DISPLAY_LIBRARY InitializeDisplayContext   ; Reset cursor etc
+    xchg    ax, dx
+    CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH
+    ret