[hbelusca] 59730: [NTVDM] Simplify the code

Author: hbelusca
Date: Tue Aug 13 20:15:24 2013
New Revision: 59730

URL: http://svn.reactos.org/svn/reactos?rev=59730&view=rev
Log:
[NTVDM]
Simplify the code

Modified:
    branches/ntvdm/subsystems/ntvdm/bios.c

Modified: branches/ntvdm/subsystems/ntvdm/bios.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios.c?re...
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios.c	[iso-8859-1] Tue Aug 13 20:15:24 2013
@@ -429,7 +429,11 @@

BOOLEAN BiosSetVideoPage(BYTE PageNumber)
 {
+    /* Check if the page exists */
     if (PageNumber >= BIOS_MAX_PAGES) return FALSE;
+
+    /* Check if this is the same page */
+    if (PageNumber == Bda->VideoPage) return TRUE;

/* Set the values in the BDA */
     Bda->VideoPage = PageNumber;
@@ -744,7 +748,6 @@
         {
             BiosSetVideoMode(LOBYTE(Eax));
             VgaClearMemory();
-
             break;
         }

@@ -800,15 +803,7 @@
         /* Select Active Display Page */
         case 0x05:
         {
-            /* Check if the page exists */
-            if (LOBYTE(Eax) >= BIOS_MAX_PAGES) break;
-
-            /* Check if this is the same page */
-            if (LOBYTE(Eax) == Bda->VideoPage) break;
-
-            /* Change the video page */
             BiosSetVideoPage(LOBYTE(Eax));
-
             break;
         }