Commodore 64 Game Programming: Keeping Score With Binary Coded Decimal

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.

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The previous two C64 assembly language programming videos, using Turbo Macro Pro:
1. https://youtu.be/EUCSZw7piKE
2. https://youtu.be/05vlobA3JeU

Playlist of all my assembly-language tutorials: https://www.youtube.com/playlist?list=PLvW2ZMbxgP9z9Un4LXivII_D1Hh5gZ7r9

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

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Check out my podcast Growing Up '80s: https://thecouch.website/category/gu80s/

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