I'd never heard of it until I came across it mentioned/shown[2] in the [unofficial] C-64 Prince of Persia conversion[1] linked from some HN thread the other day.
I've done the Storage Oscilloscope + pin twiddling for profiling embedded stuff though, and for a few short minutes, was convinced I'd invented something brilliant. :)
I've done the Storage Oscilloscope + pin twiddling for profiling embedded stuff though, and for a few short minutes, was convinced I'd invented something brilliant. :)
[1] http://popc64.blogspot.co.uk/2011/10/part-one-why-hell-would...
[2] http://popc64.blogspot.co.uk/2012/01/part-nine-optimizations...