There is no sure way for database conversion (SQL and Oracle, DB2 even worse).
The simple way and more accurate:
Create same name DB in SQL2000;
Script your Tables in SQL65, modify it to SQL2000 format and run in SQL 2000;
BCP data out to file in business logic order (!) from 65
-- If not sure with BCP, you can use Access, just slow.
BCP files into SQL 2000--- must in PK-FK order.
Script TR, VW, SP from SQL65 (no Fn in 65)
Modify the format to match SQL 2000
Run the Scripts in your new DB in SQL 2000.
This is a pain and risky job, just get more trials before do any thing on PRODUCTION server !!!
Good luck.