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Sign Propagation in Multiword Twos Complement Arithmetic Disclosure Number: IPCOM000054667D
Original Publication Date: 1980-Mar-01
Included in the Prior Art Database: 2005-Feb-13

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Chroust, G [+details]


Various computer systems with twos complement arithmetic provide in their instruction repertoire instructions which allow the programming of multiple word arithmetic. Such a "with carry instruction" (e.g., "Add with carry", "Subtract with carry", "Compare with carry") automatically honors a carry condition set by a preceding corresponding instruction.