Appeal No. 1997-0918
Application 08/160,301
Representative claim 1 is reproduced below:
1. A method for performing division in a data processing
apparatus comprising the steps of:
storing a divisor in a first data register;
storing a numerator in a second data register;
storing a status bit in a status register;
selecting an intermediate data word as either data stored
in said second data register or data stored in a third data
register based upon said status bit stored in said status
register;
left shifting said intermediate data word one bit
position;
storing said left shifted intermediate data word in said
second data register thereby replacing data previously stored
in said second data register;
subtracting said divisor stored in said first data
register from said left shifted intermediate data word thereby
forming a difference;
storing said difference of said left shifted intermediate
data word and said divisor in said third data register thereby
replacing data previously stored in said third data register;
determining whether said difference is less than zero;
setting said status bit stored in said status register
based upon whether said difference is less than zero; and
setting a quotient bit based upon whether said difference
is less than zero.
The following references are relied on by the examiner:
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