You're writing a C64 game in assembly language, but you're not sure how to display the score in decimal? I explore two techniques (using the KERNAL routine $BDCD, and Binary Coded Decimal) and show a simple trick to benchmark them. Become a patron: https://patreon.com/8BitShowAndTell One-time donation: https://paypal.me/8BitShowAndTell The previous two C64 assembly language programming videos, using Turbo Macro Pro: 1. https://www.youtube.com/watch?v=EUCSZw7piKE 2. https://www.youtube.com/watch?v=05vlobA3JeU Playlist of all my assembly-language tutorials:    • Commodore 64 Assembly Language Progra...   Turbo Macro Pro download and documentation: http://turbo.style64.org/ DLH's awesome collection of Commodore books: http://www.bombjack.org/commodore/books.htm Commodore 64 Programmer's Reference Guide: https://archive.org/details/c64-programmer-ref https://www.commodore.ca/manuals/c64_programmers_reference/c64-programmers_reference.htm Follow me on Twitter: https://twitter.com/BedfordLvlExp Check out my podcast Growing Up '80s: https://thecouch.website/category/gu80s/