Patent ID: 6434634
Filing Date: 2002-08-13
Classification: H04M

Abstract:
An external Host Signal Processor (HSP) modem adapted to a game port of a personal computer, comprising:a modem module connecting to a telephone network for transferring a plurality of modulated/demodulated signals comprising data signals and command signals, said data signals comprising master clocks, a plurality of serial port clocks, a data input, a data output, and a frame synchronization signal; bridge means coupled to said modem module for bi-directionally transferring said data signals and said command signals to said game port via a plurality of read-only ports in response to a plurality of serial port clocks; encode/decode means coupled to said bridge means via said plurality of read-only ports for communicating with a Host Signal Processor modem interface in response to said plurality of serial port clocks; and a game switch sampling circuit coupled to a joystick for transferring binary output of said joystick to said bridge interface. 2.The external HSP modem as claimed in claim 1, wherein said bridge means further comprises:speed-up clock generating means for increasing the speed of said plurality of serial port clocks.