(Unrelated to anything... I had to update my user name/handle. When I created my account, I thought my user name would just be used for logging in, but you all have cool names, and it was time to ditch my initials and pick something better. So... yeah... there's that.)
Ok, right... so in answer to Bushwhacker's question...
Yes, Texas and Yo-Yo are both SRT techniques.
Rather than try to describe the difference between DRT and SRT,
is a link to TCI's description.