Eric Anderson writes "IBM has licensed the picoJava processor from Sun. It intends to make chips for other companies as well as its own use. The picoJava chip is significant in that it directly executes all java bytecodes without running a virtual machine. It is still compatible with other programming languages, of course. It is also an unusual processor in that it uses a "random access stack" with, and I quote, "dribble" instead of a set of registers.
To read more go to the IDG article"