The ADM-3A was an influential early video display terminal, introduced in 1976. [1] It was manufactured by Lear Siegler and had a 12-inch screen displaying 12 or 24 lines of 80 characters. It set a new industry low single unit price of $995.

第一版的 Unix 系统是在 1971 年出现的，1972 年重新用 C 语言编写 Unix。当时流行 Lear-Siegler ADM-3A 终端机，看看它的 键盘布局 。 右上角的 Home 和 ~ 是放在一起的。 ADM-3A 键盘布局也解释了为什么 vi 中使用 hjkl 来表示方向键。当年 Bill Joy 就是在 ADM-3A 终端机中敲出了 ...

2024年2月4日 · LSI brand ADM-3A terminals, the little blue (later tan) Lear/Seigler terminals so popular in the early 1970's! I acquired a number of these as surplus in the 2000's. Most have lower case text, display 80 X 24 characters, and have basic cursor control and scrolling. Some have graphics upgrades but those I won't likely offer.

2016年10月13日 · The ADM-3A was a stunningly compact video terminal released in 1974 that became popular with early personal computer builders due to its relatively low cost ($995 in kit form, $1,195 assembled)...

2024年8月3日 · adm-3a是1974年发布的一款非常紧凑的视频终端，由于其相对较低的成本（套件形式为995美元，组装形式为1,195美元）而受到早期个人电脑制造商的欢迎，尽管它有缺点 - 它确实相当愚蠢，并且只能显示大写字母。

2020年6月2日 · The Lear Siegler ADM-3A terminal is an expanded version of the ADM-3 terminal. It was introduced in July, 1976 at a price of $1045. The ADM-3A added direct cursor addressing. By 1981, the price had been reduced to $595. A graphics option …

Title: ADM-3A Operator's Manual Author: Lear Siegler, Inc. Keywords: LSI text terminal Created Date: 12/23/2003 7:13:53 PM

Retro-looking Lear Siegler ADM-3A terminal emulator written in python - mastmees/adm3a

ADM-3A Terminal. The Lear Siegler company introduced the ADM-3 terminal in 1975. The next year, in 1976, the ADM-3A interactive display terminal was introduced, with support for cursor control codes. These were not as advanced as those present in later terminals, but allowed simple cursor positioning from software.

2023年8月17日 · Never had one myself but the ADM-3A is an iconic shape, just looking at it takes you back. In the 80s I was using a 6809 based computer running the Flex operating system, and used it with a...