How do I arrange quality time with one parent after a divorce?

Long story short, my mom and dad split up 10 years ago because my mom found another man. My dad remarried about 5 years ago. I lived with my mom & stepdad for a few years until money issues forced them to move an hour away from my current school. They both had drug & alcohol issues and were sometimes abusive towards me. My mom kicked me out because she couldn't take me to school anymore so I moved in with my dad. My dad & stepmom were initially very nice to me and still are in a civil kind of way, but ever since their new baby has come along (she's now 2), I feel completely left out. I plead with my dad to spend time with him, but my stepmom doesn't like it - she wants him to spend all his time with the baby and her. When I spoke to him about it, he promised to play tennis with me every weekend. He promised this for SEVEN consecutive weeks but never got around to it (my stepmom didn't want him to and wanted to do stuff with her and the baby). So then I tried to meet him at his office during the week for dinner once a week, but after we did this once, I overheard him talking to my stepmom that night apologizing for 'having to do this' and would rather spend time with her and the baby and made me feel awful. My dad has resorted to buying me regular presents instead, thanking me for 'not being a hle'. I appreciate the presents, but I sometimes feel like they are being used because my dad hates spending time with me and just wants to placate me. I want your opinions! I want to see more of my dad, but maybe he just sees me as an obligation intruding in his life and is giving me presents to shut me up. What are your thoughts? How do I see more of my dad? Or maybe I shouldn't want to see more of my dad because he doesn't love me anymore?