thejpster[m]: > <@thejpster:matrix.org> That looks like it’s using atomic types (which just lower to a volatile write and a fence). I have four addresses for every register. > > The read-write address > > An address where any 1 bit written sets to 1, and zeros bits have no effect. > > An address where any 1 bit written sets to 0, and zero bits have no effect. > > An address where any 1 bit written toggles the existing bit and zero bits have no effect. Sorry. Yeah. Forgot about this.