Check the listing for details. Better Working Power Assembler Software for Commodore 64/128 - NOS. Listed at 28.00 USD. The BetterWorking Power Assembler Software is a rare find for vintage computing enthusiasts, specifically designed for use with Commodore 64/128 computers. This software assembles and organizes programs and data efficiently, allowing users to enhance the power and performance of their machines. With the BetterWorking brand known for quality and reliability, this NOS (New Old Stock) product is a valuable addition to any collection or setup. Upgrade your vintage computing experience with this unique software solution.