Development system of microprocessor for application program...

Details Development system of microprocessor for application program... Development system of microprocessor for application program...

2005-06-14

2005-06-14

Malzahn, D. H. (Department: 2124)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S491000

Reexamination Certificate

active

06907442

ABSTRACT:
A microprocessor (10) comprises a compiler (4), which, for a source program including an integer division q=int(a÷b)(int( ) is a function discarding figures below decimal point in parentheses) for dividing integer a, expressed in N bits, by integer constant b, causes a computer to execute a first process for calculating mb=int(m÷b) (where m=2N), and a second process for generating an object code, which stores the mb in a first register (24), calculates qx=int(a×mb÷m), calculates rx=a−qx×b, set a quotient q to q=qx when rx<b, or q=qx+1 when rx>=b;and a microprocessor having an arithmetic circuit (11), which comprises the first register, a multiplier (14), and an adder-subtractor (16), and which executes the object code generated by the compiler.

REFERENCES:
patent: 5696713 (1997-12-01), Kovacs
patent: 5754460 (1998-05-01), Tam
patent: 6470372 (2002-10-01), Monier
patent: 6836784 (2004-12-01), Perkins

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