William P. Riley-Land wrote:
>... since this compiles in
>other peoples FBs, could this be a problem in FB1?

>  if I get rid of the `@1 it
>says the bad assembler value is in @3, does it think I am redifining
>labels, or something?

A difference between FB1 and FB2?
Perhaps the assembler in FB1 cannot recognise labels that begin with "@".
Try changing "@" to something like "Label"

>  `@1
>  ` tst.l D0
>  ` blt.s @3
...

becomes

>  `Label1
>  ` tst.l D0
>  ` blt.s Label3
...

Robert