On 9/23/22 13:47, Fred Cisin via cctalk wrote: > It was useful as a simple test of whether an applicant had any > bit-twiddling experience. But, I couldn't think of practical application. >
The 6600 implemented it (IIRC) as a tree of 8 bit adders. If you haven't read Jim Thornton's "Design of a Computer--The CDC 6600", you owe it to yourself to look it up: http://archive.computerhistory.org/resources/text/CDC/cdc.6600.thornton.design_of_a_computer_the_control_data_6600.1970.102630394.pdf --Chuck
