Computer peripheral function emulator

Details Computer peripheral function emulator Computer peripheral function emulator

1995-11-07

1998-06-09

Teska, Kevin J.

395527, G06F 9455

Patent

active

057649561

ABSTRACT:
An emulator that emulates the operation of a target machine on an execution machine is disclosed. The execution module prepared for each function of the target machine is called via a dispatcher from a kernel. A calling address is registered in a dispatcher table by the execution module when each execution module is loaded. Inputs from a keyboard causes a hardware interrupt resulting in the calling of a keyboard emulator. After a converted key code is stored in a buffer, an interrupt controller emulator is called by intermodule communication. The interrupt controller emulator requests a virtual interrupt for the kernel. The keyboard emulator is called again and the key code stored in the buffer is transmitted to the application program.

REFERENCES:
patent: 5077657 (1991-12-01), Cooper et al.
patent: 5261079 (1993-11-01), Celi, Jr.
patent: 5347647 (1994-09-01), Allt et al.
patent: 5551013 (1996-08-01), Beausoleil et al.
patent: 5574927 (1996-11-01), Scantlin

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