[hbelusca] 68099: [NTVDM] - Some INT --> UINT fixes. - Fix the third value of MemorySizes according to the specification, confirmed by Aleksander.

Author: hbelusca
Date: Wed Jun 10 01:30:30 2015
New Revision: 68099

URL: http://svn.reactos.org/svn/reactos?rev=68099&view=rev
Log:
[NTVDM]
- Some INT --> UINT fixes.
- Fix the third value of MemorySizes according to the specification, confirmed by
Aleksander.

Modified:
    trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
    trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/vga.c

Modified: trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/bios…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c	[iso-8859-1] Wed Jun 10 01:30:30
2015
@@ -2120,7 +2120,7 @@
 
 static BOOLEAN VgaSetRegisters(PVGA_REGISTERS Registers)
 {
-    INT i;
+    UINT i;
 
     if (Registers == NULL) return FALSE;
 
@@ -2389,21 +2389,21 @@
 
 static inline VOID VidBiosClearScreen(VOID)
 {
-    static const DWORD MemoryMaps[4] = { 0xA0000, 0xA0000, 0xB0000, 0xB8000 };
-    static const DWORD MemorySizes[4] = { 0x20000, 0x10000, 0x10000, 0x8000 };
+    static const DWORD MemoryMaps[4]  = { 0xA0000, 0xA0000, 0xB0000, 0xB8000 };
+    static const DWORD MemorySizes[4] = { 0x20000, 0x10000, 0x08000, 0x08000 };
 
     DWORD VideoAddress;
-    BYTE Buffer[0x20000];
     DWORD BufferSize;
     BYTE Misc;
+    BYTE Buffer[0x20000];
 
     /* Read the misc register */
     IOWriteB(VGA_GC_INDEX, VGA_GC_MISC_REG);
     Misc = IOReadB(VGA_GC_DATA);
 
-    /* Get the video address */
+    /* Get the video address and buffer size */
     VideoAddress = MemoryMaps[(Misc >> 2) & 3];
-    BufferSize = MemorySizes[(Misc >> 2) & 3];
+    BufferSize  = MemorySizes[(Misc >> 2) & 3];
 
     if (Misc & 1)
     {
@@ -2412,9 +2412,8 @@
     }
     else
     {
-        INT i;
-
         /* Text mode */
+        UINT i;
         for (i = 0; i < (BufferSize >> 1); i++)
         {
             ((PWORD)Buffer)[i] = MAKEWORD(' ', DEFAULT_ATTRIBUTE);
@@ -3174,7 +3173,7 @@
                 /* Set All Palette Registers */
                 case 0x02:
                 {
-                    INT i;
+                    UINT i;
                     LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
 
                     /* Set the palette registers */
@@ -3258,7 +3257,7 @@
                 /* Get All Palette Registers */
                 case 0x09:
                 {
-                    INT i;
+                    UINT i;
                     LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
 
                     /* Get the palette registers */
@@ -3300,7 +3299,7 @@
                 /* Set Block of DAC Registers */
                 case 0x12:
                 {
-                    INT i;
+                    UINT i;
                     LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
 
                     /* Write the index */
@@ -3335,7 +3334,7 @@
                 /* Get Block of DAC Registers */
                 case 0x17:
                 {
-                    INT i;
+                    UINT i;
                     LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
 
                     /* Write the index */

Modified: trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/vga.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/hard…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/vga.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/vga.c	[iso-8859-1] Wed Jun 10
01:30:30 2015
@@ -771,7 +771,7 @@
 
 static BOOLEAN VgaInitializePalette(VOID)
 {
-    INT i;
+    UINT i;
     BOOLEAN Result = FALSE;
     LPLOGPALETTE Palette, TextPalette;
 
@@ -1576,7 +1576,7 @@
 
 static inline VOID VgaWriteDac(BYTE Data)
 {
-    INT i, PaletteIndex;
+    UINT i, PaletteIndex;
     PALETTEENTRY Entry;
 
     /* Set the value */