Before revision: Two notable series of tagged architectures were the Lisp machines, which had tagged pointer support at the hardware and opcode level, and the Burroughs large systems which had a data-driven tagged and descriptor-based architecture.
After revision: AmericanTwo notable series of tagged architectures were the Lisp machines, which had tagged pointer support at the hardware and opcode level, and the Burroughs large systems which had a data-driven tagged and descriptor-based architecture.