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Gameport communication apparatus and method

  • US 5,714,981 A
  • Filed: 04/21/1995
  • Issued: 02/03/1998
  • Est. Priority Date: 04/21/1995
  • Status: Expired due to Fees
First Claim
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1. In a computer coupled to an external device using a gameport, said gameport having a gameport address, said external device having at least a first memory device, a method for communication between said computer and said external device comprising:

  • placing a first predetermined signal on a first line of said gameport in response to a signal sent by said computer to said gameport address;

    detecting said first signal in said external device;

    performing at least a first step in said external device in response to said detecting of said first signal, said first step being one of;

    storing at least a first data bit in said first memory; and

    transmitting data from said memory to said computer using said gameport.

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