* Sync up to trunk head (r65074).

[reactos.git] / subsystems / ntvdm / dos / dos32krnl / dos.c

diff --git a/subsystems/ntvdm/dos/dos32krnl/dos.c b/subsystems/ntvdm/dos/dos32krnl/dos.c
index f98ef75..582e43c 100644 (file)
--- a/subsystems/ntvdm/dos/dos32krnl/dos.c
+++ b/subsystems/ntvdm/dos/dos32krnl/dos.c
@@ -20,6 +20,9 @@
 
 #include "bios/bios.h"
 
+#include "io.h"
+#include "hardware/ps2.h"
+
 /* PRIVATE VARIABLES **********************************************************/
 
 CALLBACK16 DosContext;
@@ -1164,6 +1167,12 @@ DWORD DosStartProcess(IN LPCSTR ExecutablePath,
     /* Attach to the console */
     VidBiosAttachToConsole(); // FIXME: And in fact, attach the full NTVDM UI to the console
 
+    // HACK: Simulate a ENTER key release scancode on the PS/2 port because
+    // some apps expect to read a key release scancode (> 0x80) when they
+    // are started.
+    IOWriteB(PS2_CONTROL_PORT, 0xD2);     // Next write is for the first PS/2 port
+    IOWriteB(PS2_DATA_PORT, 0x80 | 0x1C); // ENTER key release
+
     /* Start simulation */
     SetEvent(VdmTaskEvent);
     CpuSimulate();