About the seminar

This talk describes how someone completely unfamiliar with Leo III converted assembly language printer listings into working code, with the help of volunteers from the Leo Society. As well as describing techniques, there will be description of the surprises along the way. To today’s eyes the Leo III has some very odd features, and a few blind spots.

About the speaker

David Holdsworth studied physics at Oxford University and took first and second degrees there in 1964 and 1968.

He has worked in computing at Leeds University since 1967, both as lecturer in the academic department and mainly in systems development in the computer centre under its several names. He was at one time its Acting Director. In the 1990s and early 2000s he worked on preservation of digital material and was involved with OAIS and NASA.

Since his retirement in 2001 he has worked with the CCS on preserving software.

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