ZX Spectrum and loaders - part three

This is a continuation of an earlier article about ZX Spectrum loaders. Hold on to your hats and get your calculators ready, we are going downhill! (Part 1, Part 2)

Last time I finished up stating that next time we'll need to count and weigh each and every processor tick. This time, our closest ally will be a waiting loop in a routine LD_EDGE_1. Let's re…