Video subsystem:

* export GetDisplay and SetScreen for COFF drivers
* fix out-of-bound access to screen map in __sys_disable_mouse


git-svn-id: svn://kolibrios.org@1730 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/core/exports.inc

@@ -75,6 +75,9 @@ iglobal
   szSleep             db 'Sleep',0
   szGetTimerTicks     db 'GetTimerTicks',0
 
+  szGetDisplay        db 'GetDisplay',0
+  szSetScreen         db 'SetScreen',0
+
   szStrncat           db 'strncat',0
   szStrncpy           db 'strncpy',0
   szstrncmp           db 'strncmp',0
@@ -147,6 +150,9 @@ kernel_export:
   dd szSleep           , delay_ms
   dd szGetTimerTicks   , get_timer_ticks
 
+  dd szGetDisplay      , get_display
+  dd szSetScreen       , set_screen
+
   dd szStrncat         , strncat
   dd szStrncpy         , strncpy
   dd szstrncmp         , strncmp

kernel/trunk/drivers/imports.inc

@@ -90,4 +90,6 @@ kernel_export \
 	      strchr,\
 	      strrchr,\
 \
-	      LFBAddress
+	      LFBAddress,\
+	      GetDisplay,\
+	      SetScreen

kernel/trunk/hid/mousedrv.inc

@@ -292,21 +292,20 @@ __sys_disable_mouse:
       add  ecx,eax
       add  ecx, [_WinMapAddress]
       mov   eax, [CURRENT_TASK]
-      movzx ebx, byte [ecx]
-      cmp   eax,ebx
+      cmp   al, [ecx]
       je    yes_mouse_disable
-      movzx ebx, byte [ecx+16]
-      cmp   eax,ebx
+      cmp   al, [ecx+16]
       je    yes_mouse_disable
+      add   ebx, 10
+      cmp   ebx, [Screen_Max_Y]
+      jae   no_mouse_disable
       mov   ebx,[Screen_Max_X]
       inc   ebx
       imul  ebx,10
       add   ecx,ebx
-      movzx ebx, byte [ecx]
-      cmp   eax,ebx
+      cmp   al, [ecx]
       je    yes_mouse_disable
-      movzx ebx, byte [ecx+16]
-      cmp   eax,ebx
+      cmp   al, [ecx+16]
       je    yes_mouse_disable
       jmp   no_mouse_disable
 yes_mouse_disable: