[bsder]

BVS/BVC -- same as the PDP11

Well, the concept of condition type "trap" didn't appear until deep pipelining. However, hardware very much supported condition codes. In fact, the reason why condition codes disappeared was because of deep pipelining--you had to wait for the full result in order to compute carry, overflow, etc.

However, I can tell you from painful personal experience that the 6809 ISA had an overflow condition code.