@PcodeUserop
		public void emu_exec_decoded() {
			/**
			 * TODO: This idea of "pushing" a frame could be formalized, and the full stack made
			 * accessible to the client. This would permit "stepping into", and provide continuation
			 * after an interrupt. The caveat however, is whatever Java code invoked the inner frame
			 * cannot be continued/resumed. Such code could provide nothing more than glue.
			 */
			PcodeFrame saved = thread.frame;
			thread.dropInstruction();
			thread.executeInstruction();
			thread.frame = saved;
		}
Execute the actual machine instruction at the current program counter

<p>
Because "injects" override the machine instruction, injects which need to defer to the
machine instruction must invoke this userop.

@see #emu_skip_decoded()
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/DefaultPcodeThread.java