Re:IBM, sonic delay lines, and the history of the 80×24 display
by mananaysiempre on Wednesday February 14, 2024 @06:48AM
(#39368788)
64×16 are also the standard dimensions for a Forth “block” (record in a record-based file, basically, also buffer in a buffer pool used to read and write said files and screenful in a screen editor for them). Probably unrelated, as there aren’t many reasonable power-of-two screen sizes, but still curious.
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Re:IBM, sonic delay lines, and the history of the 80×24 display
by int_19h on Wednesday February 14, 2024 @04:43PM
(#39375914)
Per Elizabeth Rather, "the block size was chosen as a convenient standard across disks whose sector sizes vary". Which I suspect means simply that, when the I/O facilities were added, 1024 was the largest sector size among the target platforms, and all others had smaller sizes multiples of which added up to 1024.