(Video embedded, below) As luck would have it, [Oli] owns a 40-year-old IBM PC 5150 as well as the matching IBM 5151 monitor, so it was a simple matter to implement the effect in 8088 assembler to ...

Fubini, David G., and Christine Snively. "Lenovo to Buy IBM PC: Integration Challenges." Harvard Business School Case 417-042, November 2016. (Revised July 2019.) ...