[理工] 98中正電機計算機組 題五
Describe the modified Booth's Algorithm.And give the values of
P0,P2,P4 and P6
multiplicand Y 10101010
multiplier X 11001110
P0 0000 0000 1010 1100 (-2*mutiplicand)
P2 0000 0000 0000 00 (0*mutiplicand)
P4 1111 1010 1010 (+1*mutiplicand)
P6 0001 0101 10 (-1*mutiplicand)
P=P0+P2+P4+P6 0001 0000 1100 1100
想請教的是,P0為-2x倍乘數=000 000 1010 1100
怎麼來的,請教一下?
小弟是算出 1111 1111 1010 1100
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