First few functions in code_08049CD4.c OK

src/code_08049CD4.c

@@ -0,0 +1,25 @@
+#include "global.h"
+
+extern u32* gUnk_020354B0;
+extern u32 gUnk_02024050;
+
+extern void _DmaFill32(u32, void*, u32);
+
+void sub_08049CD4() {
+    _DmaFill32(0xFFFFFFFF, &gUnk_02024050, 0x40);
+    gUnk_020354B0 = &gUnk_02024050;
+}
+
+void sub_08049CF4(u8* arg0) {
+    u8 field_0x6c = *(arg0 + 0x6c);
+    if (field_0x6c & 0x80) {
+        *(gUnk_020354B0 + 1) |= 1 << (field_0x6c & 0x1f);
+    }
+}
+
+u32 sub_08049D1C(u32 arg0) {
+    u32 bitmask = *(gUnk_020354B0 + 1) >> arg0;
+    u32 output = 1;
+    output &= ~bitmask;
+    return output;
+}