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Personal computer/host emulation system for handling host data with personal computer application programs at personal computers

  • US 5,036,484 A
  • Filed: 11/23/1988
  • Issued: 07/30/1991
  • Est. Priority Date: 11/23/1988
  • Status: Expired due to Fees
First Claim
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1. In a computing system including a host computer, a personal computer having a display and a keyboard and containing a terminate and stray resident application program which processes data in a first format resident in said personal computer, and a PC/host terminal emulation program means resident in said personal computer and communicating with said host computer which processes data in a second format, said computing system further comprising:

  • a. screen data conversion means within said personal computer coupled to said PC/host terminal emulation program means for constructing a display screen for said data processed by said host computer in said second format;

    b. A keystroke interpretation routine resident within said personal computer for distinguishing between personal computer commands and host computer commands entered from said keyboard;

    c. means coupled to said keystroke interpretation routine and responsive to said identified personal computer commands to said terminate and stay resident application program for processing in said first format; and

    ,d. means coupled to said keystroke interpretation routine for passing host computer commands representing changes to said screen data to said host computer via said PC/host terminal emulation program means for processing in said second format.

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