VGB20/VGB25 Video Terminal Programmer Information

This document is a comprehensive programmer's reference for the VGB20 and VGB25 video terminals. It includes detailed information on terminal set-up, desktop features, and extensive reference sections for ANSI control functions and ASCII escape sequences. The manual is organized into three main parts: Part I covers the VGB20/VGB25 video terminal hardware and features, Part II details the ANSI mode, and Part III focuses on ASCII emulation modes. Appendices provide additional data on keyboard layouts, Termcap definitions, and a detailed index of control functions.