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 - [Easy 6502](https://skilldrick.github.io/easy6502/)
 - [Annotated Snake6502](https://gist.github.com/wkjagt/9043907)
+
+## Colophon
+
+`firepower` can be abbreviated as `fp`, just like `functional programming`. And it is a reference to one of Mario's abilities in Super Mario Bros, an NES classic.