BINARY MULTIPLIER WITH SIGN EXTENSION FOR MULTIPLICATION OF SIGNED OR NOT SIGNED NUMBERS

摘要

B THE INVENTION CONCERNING BINARY MULTIPLIERS. / P P TO MAKE MULTIPLICATION WITH SIGNED OR NON-SIGNED NUMBERS, A SPECIAL STRUCTURE SHOULD BE TAKEN ACCOUNT OF THE NECESSITY TO EXTEND THE SIGN OF PARTIAL PRODUCTS CARRIED OUT COURSE OF MULTIPLICATION. A SIGN EXTENSION MODULE (XSTO, XSTL, ETC.) IS PROVIDED FOR EACH ROW OF ADDITIONERS. THIS MODULE PREPARES, FROM THE STRONG WEIGHT BIT X OF THE MULTIPLICAND, AND A TXC INDICATION ON THE FACT THAT THIS BIT IS A SIGNED BIT OR NOT, SIGNALST1, U1, T2, U2, ETC. WHICH ARE APPLIED TO INPUTS OF THE LAST TWO ADDITERS A2, A21, ETC. FROM EACH ROW. / P P NO ADDITIONAL ADDITIONERS ARE ADJUSTED FOR THIS SIGN EXTENSION. / P