Portals and Quake

This is the second installment in the “Demystifying the PVS” series.

This is the third installment in the “Demystifying the PVS” series.

A little horizontal blur doesn’t hurt.

MS-DOS games that ran at 320x200 screen resolution didn’t have square pixels. This means the image was vertically stretched by the cathode-ray tube to fit the 4:3 aspect ratio of the actual display screen. As a consequence, screenshots taken of such games must be scaled vertically to look right on modern displays with square pixels.

In which I investigate a 30-year-old video format.