COMPUTER SOFTWARE, NAMELY, SOFTWARE CONTAINING COMPUTER SYSTEM SIMULATIONS USED TO ENABLE A SINGLE INTEGRATED CIRCUIT CHIPSET TO OPERATE IN ANY OF THREE ASYMMETRIC DIGITAL SUBSCRIBER LINES, I;E;, MODEST-ELITE, FULL RATE ASYMMETRIC DIGITAL SUBSCRIBER LINE, OR SINGLE-PORT VERY HIGH-SPEED DIGITAL SUBSCRIBER LINE; COMPUTER HARDWARE, NAMELY, INTEGRATED CIRCUIT CORES USED IN CONNECTION WITH SUCH COMPUTER SOFTWARE TO PROVIDE A BLUEPRINT OF HOW TO BUILD DIGITAL SUBSCRIBER LINE CHIPS; COMPUTER SOFTWAR...