[aandrejevic] 59674: [NTVDM] Calculate the text height instead of using a hardcoded value.

Author: aandrejevic
Date: Fri Aug  9 09:24:40 2013
New Revision: 59674

URL: http://svn.reactos.org/svn/reactos?rev=59674&view=rev
Log:
[NTVDM]
Calculate the text height instead of using a hardcoded value.

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 09:24:40 2013
@@ -569,6 +569,7 @@
 COORD VgaGetDisplayResolution(VOID)
 {
     COORD Resolution;
+    BYTE TextSize = 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];
@@ -603,7 +604,7 @@
     else
     {
         /* Divide the number of scanlines by the font size */
-        Resolution.Y /= 16;
+        Resolution.Y /= TextSize;
     }

/* Return the resolution */