Oh crap. The LDX (labs0),Y instruction doesn't actually exist! If you are cool with undocumented opcodes you can replace that with LAX (labs0),Y which does exis

Oh crap. The LDX (labs0),Y instruction doesn't actually exist! If you are cool with undocumented opcodes you can replace that with LAX (labs0),Y which does exist. Otherwise it would need another 2 cycles for TAX. Yes I wrote, based on mult65.a credited to Nick Jameson. That is one of the better ones; I took a look and thought about how it could be sped up a little.