HL_ENGINE_STALL
(engine_command == HL_ENGINE_STALL) ? 1 : 0);
(engine_command == HL_ENGINE_STALL) ? 1 : 0);
(engine_command == HL_ENGINE_STALL) ? 1 : 0);
if (engine_command == HL_ENGINE_STALL) {
case HL_ENGINE_STALL: