I think this may be your answer:
Assembly programs require a shell.
I found someone who put up details for this here:
http://www.retrevo.com/search?q=89+titanium++how+to+download+games&pi=b75a4fe2c5f7b51c
I hope this is helpful.
i just got a ti 89 titanium and was trying to get some games on it, i downloaded ti connect and tried downloading a game but after the download was complete it didnt show up on my calculator. anyone know how to fix this?

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