This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
L Break Into Program
breakintoprogram.co.uk
did:plc:ulsrokhbdwzathvrvahn76e2
I can't remember exactly how I wrote the code, though remember capping it at a handful of iterations if X didn't reach 0, and used the Y (in the example given) as a good estimate.
2025-08-28T12:46:15.008Z