2019年9月30日 · The DEC VT340 is a color graphics terminal introduced in April, 1987 at a price of $2,795. Manx. Installing and Using The VT330/VT340 Video Terminal, May, 1988; VT330/VT340 Programmer Reference Manual, Volume 1: Text Programming, March, 1987; VT330/VT340 Programmer Reference Manual, Volume 2: Graphics Programming, May, 1988

It explains the general purpose of the terminal emulator and describes the start-up of the operator panel. This documentation contains the functional description of the terminal emulator with the …

If you are a programmer, this manual provides the information you need to program the graphics features of the VT330 or VT340 video terminal. This manual is the second volume of a two-volume set. The first volume covers text programming.

VT340 VIDEO TERMINAL The VT340 is a text and color graphics video termi-nal that is compatible with the VT241. The VT340 supports different versions of Digital’s LK201 cor-porate keyboard, for different languages. The VT340 uses a four-plane bitmap to display 16 colors at a time, from a palette of 4096 possible colors.

The VT340 feature two different ways of showing color graphics: as vectors using ReGIS or as bitmaps using Sixels. (It could also do Tektronix 4014 graphics). Unlike its primitive ancestor, the VK100 (AKA "Gigi"), the VT340 does not use "ANSI color" for text. Instead, the VT340 shows all text on the screen in one color. It is not yet clear why ...

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The VT330 and VT340 use different forms of output mapping. The VT340 uses a color monitor and a 4-plane bitmap. The VT330 uses a monochrome monitor and a 2-plane bitmap. The next two sections describe the differences between the VT330 and VT340. Then the following sections describe the command formats for monochrome and color displays.

VT330/VT340 Programmer Reference Manual Cover About Contents. About This Manual. Chapter 1 – Introduction to ReGIS. What is ReGIS? Conventions; ReGIS Command Syntax; Control Characters; VT300 Screen; X-Y Coordinate System; Graphics Cursors; Entering and Exiting ReGIS; ReGIS Default Values; Preventing Transmission Errors; Pixel Vector (PV) System

The VT340 has four graphics planes. To enable writing or erasing in all graphics planes, you must use W(F15). This command also works for the VT240 and the VT330.

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