My TI89 just locked up too!
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My TI89 just locked up too!
After transferring programs to another 89, my 89 did the "busy-half-line
address error" thing. I left it on like that for about 5 minutes while I
tried to figure out how to control-alt-delete the thing. Finally I removed
3A batteries and held the [on] button for 5 seconds.... No luck.
I used the reset option indicated in the manual. As I inserted the last 3A
battery, I held the (-) key and the ) key and continued to hold them for 5
seconds.
My calculator seems to be fine and I still play Mario 92 using plusshell.
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