Vladimir Ivanov wrote: > > One more note - the set 'B' flag in the trace up-to $131E is wrong. > > http://nesdev.com/the%20%27B%27%20flag%20&%20BRK%20instruction.txt > > This page claims that PHP also pushes value with 'B' set. This is easy to > check. > Take a look at the Monitor's test for BRK. It does a PLA then rotates the bits to test for the break flag.