The Verilog PLI Handbook: A User’s Guide and Comprehensive Reference on the Verilog Programming Language Interface

by Stuart Sutherland

by Maq Mannan President and CEO, DSM Technologies Chairman of the IEEE 1364 Verilog Standards Group Past Chairman of Open Verilog International One of the major strengths of the Verilog language is the Programming Language Interface (PLI), which allows users and Verilog application developers to infinitely extend the capabilities of the Verilog language and the Verilog simulator. In fact, the overwhelming success of the Verilog language can be partly attributed to the exi- ence of its PLI. Using the PLI, add-on products, such as graphical waveform displays or pre and post simulation analysis tools, can be easily developed. These products can then be used with any Verilog simulator that supports the Verilog PLI. This ability to create thi- party add-on products for Verilog simulators has created new markets and provided the Verilog user base with multiple sources of software tools. Hardware design engineers can, and should, use the Verilog PLI to customize their Verilog simulation environment. A Company that designs graphics chips, for ex- ple, may wish to see the simulation results of a new design in some custom graphical display. The Verilog PLI makes it possible, and even trivial, to integrate custom so- ware, such as a graphical display program, into a Verilog simulator. The simulation results can then dynamically be displayed in the custom format during simulation. And, if the company uses Verilog simulators from multiple simulator vendors, this integrated graphical display will work with all the simulators.

808 pages, Paperback

First published March 31, 1999

About the author

British Psychologist Norman Stuart Sutherland (26 March 1927 – 8 November 1998), always known professionally as Stuart Sutherland, was a British psychologist and writer.

Sutherland was educated at King Edward's School, Birmingham, before going to Magdalen College, Oxford, where he read Psychology, Philosophy and Physiology. He stayed at Oxford for his DPhil which he took in zoology under the supervision of J. Z. Young. He held a lecturing post at Oxford before moving in 1964 to the recently opened University of Sussex as the founding Professor and head of its Laboratory of Experimental Psychology; with the young colleagues he appointed, he rapidly built an international reputation for Sussex in this field.

Among psychologists, Sutherland is best known for his theoretical and empirical work in comparative psychology, particularly in relation to visual pattern recognition and discrimination learning. In the 1950s and 1960s he carried out numerous experiments on rats but also on other species such as octopus; the two-factor theory of discrimination learning that he developed with Nicholas Mackintosh was an important step in the rehabilitation of a cognitive approach to animal learning after the dominance of strict behaviourism in the first half of the twentieth century. He was also interested in human perception and cognition, and in 1992 he published Irrationality: The enemy within, a lay reader's guide to the psychology of cognitive biases and common failures of human judgement.

Among a wider public, Sutherland is most famous for his 1976 autobiography Breakdown, detailing his struggles with manic depression. A second edition of Breakdown was published in 1995. Stuart Sutherland died from a heart attack in November 1998.