PSP-3001 freezes when trying to go up a row from mossy cobblestone.

What steps will reproduce the problem?
1. using psp-3001 after 5 mins of building
2.move selector in first slot down to row with mossy cobblestone then move 
selector over to m.c. block slot.
3. press up to go to the row above. psp should be frozen.

What is the expected output? What do you see instead?
to go up a row. it freezes.

What version of the product are you using? On what operating system?
Lamecraft signed. 6.60 ofw & 6.60 pro b-10

Please provide any additional information below.

loses work done

Original issue reported on code.google.com by kdki...@live.ca on 6 Apr 2012 at 10:03

DragonNeos / lamecraft

PSP-3001 freezes when trying to go up a row from mossy cobblestone. #83