diff --git a/src/main/viswapcontext.c b/src/main/viswapcontext.c
new file mode 100644
index 00000000..bec90bfc
--- /dev/null
+++ b/src/main/viswapcontext.c
@@ -0,0 +1,3 @@
+#include "common.h"
+
+#pragma GLOBAL_ASM("asm/us/nonmatchings/main/viswapcontext/func_80027C30.s")
diff --git a/yamls/us/main.yaml b/yamls/us/main.yaml
index 139b0fb9..e35b9b9c 100644
--- a/yamls/us/main.yaml
+++ b/yamls/us/main.yaml
@@ -104,7 +104,7 @@
       - [0x28330, asm]
       - [0x28800, c, getthreadpri]
       - [0x28820, asm]
-      - [0x28830, asm]
+      - [0x28830, c, viswapcontext]
       - [0x28B90, asm]
       - [0x28C90, asm]
       - [0x29060, asm, 29060]