Do I have to change anything in the code to make BB2 work as AB3?

[peceha]

Hi,
Finally thanks to Honitos and his unbelivable work I decided to try AB3.... And now I know i won't go back to blitz 2 and Ted anymore, hehe

I started reading docs and there is a remark about arrays... Now you declare them with the actual number of items inside - is that correct?
If so then it is the first thing to change in old BB2 code. Are there others?

Thanks

[peceha]

Looks like info about array in the ab3 quide document is not correct.
'Dimming' still works like in blitz2.

[Nightshft]

Im not at home now but AFAIR in BB2 you could have for example A$ and besides also an Array like A() and in AB3 that won't work anymore (variable already declared).

[peceha]

That one I will have to check definitely.
Thanks

[peceha]

I found a post from Daedalus.
It is the other Way around but anyway... Very useful

There are a few commands that have been modified, but almost all of them are the same, or are close enough that they can be used in the same way. Null() is the only one that comes to mind as being totally different, so avoid that.
The Syntax and Optimize directives are AB3 only so don't use them.
The system includes are AB3 only, so don't use them either.
Labels always need a colon after the name, it's optional in AB3 so use them, e.g. .MyLabel:
Dynamic linked lists are AB3 only, so don't try to Dim anything with size 0 (e.g. Dim LIST MyList.w(0) won't work).
Procedures are limited to 6 arguments only, and can't be declared with optional arguments (this only works with the New Syntax directive anyway so you'll get errors in AB3 if you try it without the New Syntax enabled).
Procedures don't support the FAST keyword under BB2.
64-bit double-floats are AB3 only.
Getd0 and Putd0 are AB3 only, use GetReg and PutReg instead.
String escape sequences are AB3 only, for example NPrint "\\22Hello\\22" will print the literal string instead of "Hello" with the quotes.