[decomp] get started on game info (#674)

* temp

* menu text

* wip

* recognize handle to process

* more

decompiler/IR2/Form.cpp

@@ -1548,6 +1548,8 @@ std::string fixed_operator_to_string(FixedOperatorKind kind) {
       return "vector+!";
     case FixedOperatorKind::VECTOR_FLOAT_PRODUCT:
       return "vector-float*!";
+    case FixedOperatorKind::L32_NOT_FALSE_CBOOL:
+      return "l32-false-check";
     default:
       assert(false);
       return "";