DEC VT72
| DEC VT72 | |
|---|---|
 | |
| Manufacturer | DEC |
| Model | VT72 |
Manx
The VT72 was the follow-on to the VT20 for use with DEC's typesetting system, called Typeset-11 and Typeset-10. The system included editing software for use in the newsroom. The VT72 contained an LSI PDP-11 internally with 16k of memory and allowed newsroom personnel to edit and write news articles for the publication. The VT72 had no built-in character set. Each character had to be defined with aa 10x10 pixel map and assigned to an ASCII value and connect to a key on the keyboard. The Digital supplied software only used paging for editing, meaning it downloaded a buffer full of text, allowed it to be edited, then uploaded it when finished and paged to the next buffer of text. The Kansas City Star adapted the Typeset-10 software for the VT20 to the VT72, allowing editors to scroll through stories too long to fit in memory on the VT72, but using associative memory to mirror changes on the terminal with a copy on the host. The bootstrap was now in the terminal, no longer needing to be hand-entered into the switches as with the VT20.
The VT172 followed the VT172, but was essentially the same terminal in a VT100 enclosure, with the VT72 style keyboard
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