Oh, I should say, what it actually does is this:
subhi r0, r0, #65280 ; 0xff00 subhi r0, r0, #241 ; 0x00f1
Oh, I should say, what it actually does is this:
subhi r0, r0, #65280 ; 0xff00
subhi r0, r0, #241 ; 0x00f1