Deposit and extract instructions include an opcode, a source address, a destination address, a shift number, and a K-bit mask string. The opcode describes the operations to be performed upon a J-bit source string and an N-bit destination string. The source address points to the memory location of the...http://www.google.de/patents/US6523108?utm_source=gb-gplus-sharePatent US6523108 - Method of and apparatus for extracting a string of bits from a binary bit string and depositing a string of bits onto a binary bit string