[hbelusca] 59681: [NTVDM] Simplify code.

Author: hbelusca
Date: Fri Aug  9 14:01:43 2013
New Revision: 59681

URL: http://svn.reactos.org/svn/reactos?rev=59681&view=rev
Log:
[NTVDM]
Simplify code.

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

Modified: branches/ntvdm/subsystems/ntvdm/vga.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/vga.c?rev...
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/vga.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/vga.c	[iso-8859-1] Fri Aug  9 14:01:43 2013
@@ -569,7 +569,7 @@
 COORD VgaGetDisplayResolution(VOID)
 {
     COORD Resolution;
-    BYTE TextSize = 1 + (VgaCrtcRegisters[VGA_CRTC_MAX_SCAN_LINE_REG] & 0x1F);
+    BYTE MaximumScanLine = 1 + (VgaCrtcRegisters[VGA_CRTC_MAX_SCAN_LINE_REG] & 0x1F);

/* The low 8 bits are in the display registers */
     Resolution.X = VgaCrtcRegisters[VGA_CRTC_END_HORZ_DISP_REG];
@@ -597,15 +597,10 @@

/* The horizontal resolution is halved in 8-bit mode */
         if (VgaAcRegisters[VGA_AC_CONTROL_REG] & VGA_AC_CONTROL_8BIT) Resolution.X /= 2;
-
-        /* Divide the vertical resolution by the maximum scan line */
-        Resolution.Y /= ((DWORD)VgaCrtcRegisters[VGA_CRTC_MAX_SCAN_LINE_REG] & 0x1F) + 1;
-    }
-    else
-    {
-        /* Divide the number of scanlines by the font size */
-        Resolution.Y /= TextSize;
-    }
+    }
+
+    /* Divide the vertical resolution by the maximum scan line (== font size in text mode) */
+    Resolution.Y /= MaximumScanLine;

/* Return the resolution */
     return Resolution;