- * a specific code depends on the driver. The driver will set an error
- * for unknown codes or values.
- */
+** a specific code depends on the driver. The driver will set an error
+** for unknown codes or values.
+*/
+
+int __fastcall__ tgi_imulround (int rhs, int lhs);
+/* Helper function for functions using sine/cosine: Multiply two values, one
+** being an 8.8 fixed point one, and return the rounded and scaled result.
+*/