“…This, in effect, led to the subsequent large-scale commercial adoption of microprogrammed control units for a wide variety of computer types (Husson, 1970;Salisbury, 1976). A vast technical literature on microprogramming developed from the mid-1960s onward (see, e.g., Dasgupta, 1979;Dasgupta & Shriver, 1985;Habib, 1988;Wilkes, 1969).…”