Jump'n Crate (Commodore 64, C64)

This is my 3rd game fully written in assembler.  During my pursuit of honing my programming skills, I started with a character jumping and moving around the screen, and later I was inspired by the example screens in CharPad Pro, so I decided to make a fast-paced platformer type game out of it. The objective of the game is to collect all the crates before the time runs out.  The duration is decrea…