its not like posts disappear over time, just post it and i would have seen it sooner or later
anyway, back to the colons, ill just come right out and say it, remove them all!
colons are only used to put 2 or more codes on 1 line, put a colon between two commands and they both will coexist perfectly on one line
you have none of these cases so just remove all the colons from your code and tell me what happens
edit:
whoops forgot to mention labels, bn2 is right about how you need one after your Start label, so leave that one and remove the rest, then do what bn2 suggested
There are only 10 kinds of people in the world, those who understand binary and those who dont