Summary: Sega QA tested games and rejected any game that crashed, so the developer 'try/catch'ed* all errors into the level select. Punching or wiggling the ca

Summary: Sega QA tested games and rejected any game that crashed, so the developer 'try/catch'ed* all errors into the level select. Punching or wiggling the cartridge triggers one such error state. * Pointed all error interrupts to the level select.