Addressing control apparatus is structured to provide either byte or word addressing of storage organized on a word basis. The storage address register is made shiftable whereby for byte operations, it is shifted, and the bit shifted out of the register is used for byte selection. The contents of the...http://www.google.com/patents/US4358826?utm_source=gb-gplus-sharePatent US4358826 - Apparatus for enabling byte or word addressing of storage organized on a word basis
