diff --git a/saco/chatwindow.cpp b/saco/chatwindow.cpp
index 796ead8..eab5603 100644
--- a/saco/chatwindow.cpp
+++ b/saco/chatwindow.cpp
@@ -1,4 +1,5 @@
 
+#include <time.h>
 #include "main.h"
 #include "game/util.h"
 
@@ -374,3 +375,34 @@ void CChatWindow::FUNC_10067E00()
 		}
 	}
 }
+
+//----------------------------------------------------
+
+void CChatWindow::WriteChatLog(int iType, char *szText, char *szName)
+{
+	time_t curTime = time(NULL);
+
+	if(field_D)
+	{
+		FILE *f = fopen(field_11,"a");
+		if(f)
+		{
+			// the frame reserves 68 bytes for this, strftime is still capped at 64
+			char szTimestamp[68];
+			strftime(szTimestamp,64,"[%H:%M:%S]",localtime(&curTime));
+
+			switch(iType)
+			{
+			case 2:
+				fprintf(f,"%s <%s> %s\r\n",szTimestamp,szName,szText);
+				break;
+			case 4:
+			case 8:
+				fprintf(f,"%s %s\r\n",szTimestamp,szText);
+				break;
+			}
+
+			fclose(f);
+		}
+	}
+}
diff --git a/saco/chatwindow.h b/saco/chatwindow.h
index 65ed3c2..c00340e 100644
--- a/saco/chatwindow.h
+++ b/saco/chatwindow.h
@@ -73,6 +73,8 @@ public:
 
 public:
 
+	void WriteChatLog(int iType, char *szText, char *szName); // .text:100677D0
+
 	int sub_10067BE0(int a1, char *a2, char *a3, DWORD a4, DWORD a5); // .text:10067BE0
 
 	void AddChatMessage(PCHAR szName, DWORD dwColor, PCHAR szText); // .text:10068020