[ros-diffs] [aandrejevic] 59739: [NTVDM] Fix VGA interleaved mode.

Author: aandrejevic
Date: Wed Aug 14 21:55:50 2013
New Revision: 59739

URL: http://svn.reactos.org/svn/reactos?rev=59739&view=rev
Log:
[NTVDM]
Fix VGA interleaved mode.


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?re…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/vga.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/vga.c	[iso-8859-1] Wed Aug 14 21:55:50 2013
@@ -575,13 +575,18 @@
                     /* Check if this is 16 or 256 color mode */
                     if (VgaAcRegisters[VGA_AC_CONTROL_REG] & VGA_AC_CONTROL_8BIT)
                     {
+                        // TODO: NOT IMPLEMENTED
+                        DPRINT1("8-bit interleaved mode is not
implemented!\n");
+                    }
+                    else
+                    {
                         /*
                          * 2 bits shifted from plane 0 and 2 for the first 4 pixels,
                          * then 2 bits shifted from plane 1 and 3 for the next 4
                          */
                         BYTE LowPlaneData = VgaMemory[((j / 4) % 2) * VGA_BANK_SIZE
                                                       + (Address + (j / 4)) *
AddressSize];
-                        BYTE HighPlaneData = VgaMemory[(((j / 4) % 2) + 1) *
VGA_BANK_SIZE
+                        BYTE HighPlaneData = VgaMemory[(((j / 4) % 2) + 2) *
VGA_BANK_SIZE
                                                        + (Address + (j / 4)) *
AddressSize];
 
                         /* Extract the two bits from each plane */
@@ -590,11 +595,6 @@
 
                         /* Combine them into the pixel */
                         PixelData = LowPlaneData | (HighPlaneData << 2);
-                    }
-                    else
-                    {
-                        // TODO: NOT IMPLEMENTED
-                        DPRINT1("8-bit interleaved mode is not
implemented!\n");
                     }
                 }
                 else