[hbelusca] 63248: [NTVDM] Improve int32 callback stub (and sync int32.c too).

Author: hbelusca
Date: Mon May 12 00:26:48 2014
New Revision: 63248

URL: http://svn.reactos.org/svn/reactos?rev=63248&view=rev
Log:
[NTVDM]
Improve int32 callback stub (and sync int32.c too).

Modified:
    trunk/reactos/subsystems/ntvdm/callback.c
    trunk/reactos/subsystems/ntvdm/int32.c

Modified: trunk/reactos/subsystems/ntvdm/callback.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/callback.…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/callback.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/callback.c	[iso-8859-1] Mon May 12 00:26:48 2014
@@ -75,8 +75,7 @@
     0xEB, 0xF5,         // jmp BOP_SEQ (offset -11)
 
 // EXIT:
-    // 0x44, 0x44,         // inc sp, inc sp
-    0x83, 0xC4, 0x02,   // add sp, 2
+    0x44, 0x44,         // inc sp, inc sp
     0xCF,               // iret
 };
 
@@ -202,11 +201,13 @@
     BYTE IntCallback[sizeof(Int16To32)/sizeof(BYTE)];
 
     /* Check whether the 32-bit interrupt was already registered */
-    // if (Int32Proc[IntNumber] != NULL)
-    // {
-        // DPRINT1("RegisterInt32: Interrupt 0x%X already registered!\n",
IntNumber);
-        // return 0;
-    // }
+#if 0
+    if (Int32Proc[IntNumber] != NULL)
+    {
+        DPRINT1("RegisterInt32: Interrupt 0x%X already registered!\n",
IntNumber);
+        return 0;
+    }
+#endif
 
     /* Register the 32-bit interrupt handler */
     Int32Proc[IntNumber] = IntHandler;

Modified: trunk/reactos/subsystems/ntvdm/int32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/int32.c?r…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/int32.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/int32.c	[iso-8859-1] Mon May 12 00:26:48 2014
@@ -111,11 +111,8 @@
     BiosCode[Offset++] = 0xF5;
 
 // EXIT:
-    // BiosCode[Offset++] = 0x44; // inc sp
-    // BiosCode[Offset++] = 0x44; // inc sp
-    BiosCode[Offset++] = 0x83; // add sp, 2
-    BiosCode[Offset++] = 0xC4;
-    BiosCode[Offset++] = 0x02;
+    BiosCode[Offset++] = 0x44; // inc sp
+    BiosCode[Offset++] = 0x44; // inc sp
 
     BiosCode[Offset++] = 0xCF; // iret