Changeset 45 in xtideuniversalbios for trunk/Assembly_Library/Src/Display

Timestamp:

Sep 29, 2010, 5:59:07 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Changes to assembly library:
Changed SetCharOutputFunctionFromAXwithAttribFlagInDL to SetCharOutputFunctionFromAXwithAttribFlagInBL since DX register gets corrupted by Display_FunctionFromDI.
Implemented quicksort.

Location:

trunk/Assembly_Library/Src/Display

Files:

• Display.asm (modified) (2 diffs)
• DisplayContext.asm (modified) (2 diffs)

trunk/Assembly_Library/Src/Display/Display.asm

@@ -2 +2 @@
 ; Project name  :   Assembly Library
 ; Created date  :   2.7.2010
-; Last update   :   27.9.2010
+; Last update   :   28.9.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Display Library functions for CALL_DISPLAY_LIBRARY macro
@@ -68 +68 @@
 
     at  DISPLAY_LIB.SetCharacterPointerFromBXAX,                    dw  DisplayContext_SetCharacterPointerFromBXAX
-    at  DISPLAY_LIB.SetCharOutputFunctionFromAXwithAttribFlagInDL,  dw  DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInDL
+    at  DISPLAY_LIB.SetCharOutputFunctionFromAXwithAttribFlagInBL,  dw  DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInBL
     at  DISPLAY_LIB.SetCharacterOutputParameterFromAX,              dw  DisplayContext_SetCharacterOutputParameterFromAX
     at  DISPLAY_LIB.SetCharacterAttributeFromAL,                    dw  DisplayContext_SetCharacterAttributeFromAL

trunk/Assembly_Library/Src/Display/DisplayContext.asm

@@ -2 +2 @@
 ; Project name  :   Assembly Library
 ; Created date  :   25.6.2010
-; Last update   :   27.9.2010
+; Last update   :   28.9.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Functions for managing display context.
@@ -153 +153 @@
 
 ;--------------------------------------------------------------------
-; DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInDL
+; DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInBL
 ;   Parameters:
 ;       AX:     Offset to character output function
-;       DL:     Attribute Flag
-;       DS:     BDA segment (zero)
-;   Returns:
-;       Nothing
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInDL:
+;       BL:     Attribute Flag
+;       DS:     BDA segment (zero)
+;   Returns:
+;       Nothing
+;   Corrupts registers:
+;       Nothing
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInBL:
     mov     [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.fnCharOut], ax
-    and     BYTE [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.bFlags], ~FLG_CONTEXT_ATTRIBUTES
-    mov     al, dl
-    and     al, FLG_CONTEXT_ATTRIBUTES
-    or      [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.bFlags], al
+    mov     [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.bFlags], bl
     ret