When I first started learning to set boundaries for myself, and learned to detach from my A's behaviors, it drove him crazy for awhile! I didn't announce my boundary, but decided if I came home from work and he was drunk I would leave. So I did. I would call a friend, or go window shop, go the the gym, get a bite to eat. Anything to stay away. I would go home and get ready for bed. I wasn't vocal, wasn't rude, didn't look for a confrontation. He ramped up the behaviors, tried really hard to push my buttons and get me to argue with him. Texting and calling to look for me. AlAnon and my counselor helped me stay on my path. My counselor had warned me once I changed the status quo there would be a reaction, and that was okay, it didn't need to change my plan.
Hang in there. Stick with the boundaries you set. Eventually he'll figure out that you are not tolerating the behavior anymore.