NFS2: Fix jittery mouse

CookiePLMonster · Sep 14, 2023 · b53f764 · b53f764
1 parent 237b6bc
commit b53f764
Showing 1 changed file with 27 additions and 0 deletions.
diff --git a/source/SilentPatchNFS90s.cpp b/source/SilentPatchNFS90s.cpp
@@ -206,6 +206,19 @@ namespace NFS2SEMovieRaceFix
 }
 
 
+__declspec(naked) void NFS2SE_MouseZeroEax()
+{
+ _asm
+ {
+ mov ebx, ecx
+ shl ebx, 4
+ xor eax, eax
+ xor edx, edx
+ ret
+ }
+}
+
+
 void OnInitializeHook()
 {
  using namespace Memory;
@@ -282,6 +295,20 @@ void OnInitializeHook()
  TXN_CATCH();
 
 
+ // NFS2: Fix jittery mouse
+ try
+ {
+ auto get_device_data = get_pattern("8B 10 50 FF 52 28 89 C2 85 C0 0F 85", 10 + 1);
+ auto zero_eax = get_pattern("89 CB C1 E3 04");
+
+ // jne -> js
+ Patch<uint8_t>(get_device_data, 0x88);
+ // Add xor eax, eax
+ InjectHook(zero_eax, NFS2SE_MouseZeroEax, HookType::Call);
+ }
+ TXN_CATCH();
+
+
  // NFS4: Fix jittery mouse
  try
  {