First proper commit.

src/code/code_80069420.c

@@ -0,0 +1,30 @@
+#include <ultra64.h>
+#include <global.h>
+
+void* MemCopy(void* dest, void* src, s32 size)
+{
+    u8* destu = (u8*)dest;
+    u8* srcu = (u8*)src;
+
+    while (size > 0)
+    {
+        *destu++ = *srcu++;
+        size--;
+    }
+
+    return dest;
+}
+
+void* MemSet(void* dest, s32 val, s32 size)
+{
+    u8* destu = (u8*)dest;
+    s32 s = size;
+
+    while (s > 0)
+    {
+        *destu++ = val;
+        s--;
+    }
+
+    return dest;
+}