- Frogger (Arcade) (Internet Archive)
Your task in this arcade game is to guide a frog across a treacherous road and river, and to safety at the top of the screen. Both these sections are fraught with a variety of hazards, each of which will kill the frog and cost you a life if contact is made.
- Inside the ALU of the armv1 - the first ARM microprocessor (daveshacks.blogspot.com)
With that in mind I embarked on my own attempt to reverse-engineer parts of the armv1. Some background knowledge of the processor’s architecture is helpful, and googling for “ARM Architecture Reference Manual” will lead you to very detailed descriptions of the more modern versions of the processor. By just looking at the masks and knowing a little about the processor’s architecture it’s possible to make some good guesses at what some of the blocks are.