Boots – shoes – and leggings
Patent
1993-01-13
1995-10-31
Harrell, Robert B.
Boots, shoes, and leggings
364DIG1, 364DIG2, 3642386, 3642388, 3649261, 3649264, 39542108, G06F 1200
Patent
active
054637490
ABSTRACT:
An improved cyclical buffer having an integer M number of memory locations in respect of which a number STEP of consecutive memory locations are required to be accessed in a single operation and having a predetermined START location defining an initial memory location to be accessed. M is constrained to be an integer multiple of STEP and the k least significant bits of START are zero where k is the minimal integer satisfying the relation 2.sup.k >M-.vertline.STEP.vertline.. The result is the same as the general MODULO algorithm employed in conventional cyclical buffers but without the cost of implementing the complete MODULO function. An apparatus for generating successive addresses involves an ADDER and a k-bit COMPARATOR coupled via a MULTIPLEXER to an address register such that the k-least significant bits of the ADDER or M-.vertline.STEP.vertline. or 0 is fed to the k-least significant bits of the address register depending on the output of the k-bit COMPARATOR.
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Be'ery Yair
Gross Yael
Milstein Yakov
Ovadia Bat-Sheva
Perets Ronen
Bloom Leonard
DSP Semiconductors Ltd
DSP Semiconductors USA, Inc.
Harrell Robert B.
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