Microprocessor configured to detect a DSP call instruction and t

Details Microprocessor configured to detect a DSP call instruction and t Microprocessor configured to detect a DSP call instruction and t

1996-05-06

1998-02-24

Kim, Kenneth S.

Boots, shoes, and leggings

364131, 395500, 395384, 395376, 395589, 395590, G06F 944

Patent

active

057219451

ABSTRACT:
A microprocessor including an instruction decode unit configured to detect a DSP call instruction is provided. The DSP call instruction is indicative of a call to a subroutine which performs a DSP function. Detected DSP call instructions are routed to a DSP which executes a routine performing the corresponding function. Subsequent to the DSP completing execution of the routine, the microprocessor continues execution at the instruction subsequent to the DSP call instruction. If a DSP is not included in the computer system, the DSP call instruction is executed in a manner similar to a subroutine call instruction. The microprocessor subsequently executes a corresponding routine which performs the DSP function.

REFERENCES:
patent: 4949241 (1990-08-01), Iwasaki et al.
patent: 4979102 (1990-12-01), Tokuume
patent: 5119499 (1992-06-01), Tonomura et al.
patent: 5193159 (1993-03-01), Hashimoto et al.
patent: 5577250 (1996-11-01), Anderson et al.
patent: 5588118 (1996-12-01), Mandava et al.
patent: 5603047 (1997-02-01), Caulk, Jr.

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