diff --git a/splat.yaml b/splat.yaml
index b8eaa24..dc7eb00 100644
--- a/splat.yaml
+++ b/splat.yaml
@@ -138,7 +138,7 @@ segments:
       - [0x1B070, c, "nu/nucontpakrepairid"]
       - [0x1B0A0, c, "nu/nucontpakfileopen"]
       - [0x1B160, c, "nu/nucontpakfilefread"]
-      - [0x1B240, asm]
+      - [0x1B240, c, "nu/nucontpakcodeset"]
       - [0x1B290, c, "nu/nucontpakfilereadwrite"]
       - [0x1B2E0, c, "nu/nucontpakfiledelete"]
       - [0x1B320, c, "nu/nucontpakfilestate"]
diff --git a/src/nu/nucontpakcodeset.c b/src/nu/nucontpakcodeset.c
new file mode 100644
index 0000000..d80a51e
--- /dev/null
+++ b/src/nu/nucontpakcodeset.c
@@ -0,0 +1,9 @@
+#include "common.h"
+
+#include "nu/nusys.h"
+
+/* 1B240 8008AE40 */
+void nuContPakCodeSet(u8* companyCode, u8* gameCode) {
+    bcopy(companyCode, &nuContPakCompanyCode, 2);
+    bcopy(gameCode, &nuContPakGameCode, 4);
+}