On index Gosub LINE { , LINE ... } |
If index is zero execution drops down to the next line without calling any subroutines. |
If index > 0 then the corresponding subroutine will be called from the list of labels following the Gosub. The first label is called if index equals one. |
The Gosub command can only be used to transfer control to a line label type subroutine. It can not be used to call the new Sub type subroutines. |
This type of subroutine is provided for compatibility with older Basic programs. All new programs should use the new Subroutine/Function syntax.