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公开(公告)号：US4868782A
公开(公告)日：1989-09-19
申请号：US61235
申请日：1987-06-10
CPC分类号： G06F3/153
摘要： A display terminal of the type which is dependent on a remote processor for its operation and for its main data storage, comprising an interactive language interpreter (24) (e.g. for BASIC), terminal processor, local storage, display and a switch for switching between a session (90) associated with the remote processor and a session (91) dedicated to servicing the interactive language interpreter (24). During an interactive language session screens of data associated with the host session may be displayed and then saved which enables host data to be processed using user programs in the interactive language.
摘要翻译： 一种依赖于远程处理器进行操作和主数据存储的显示终端，包括交互式语言解释器（24）（例如用于BASIC），终端处理器，本地存储器，显示器和用于在 与远程处理器相关联的会话（90）和专用于维护交互式语言解释器（24）的会话（91）。 在交互式语言会话期间，可以显示与主机会话相关联的数据屏幕，然后被保存，这使得能够使用交互式语言的用户程序来处理主机数据。
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公开(公告)号：US4740783A
公开(公告)日：1988-04-26
申请号：US794900
申请日：1985-11-04
CPC分类号： G09G5/222
摘要： A visual display unit with character overstrike capability includes a text store in which text is stored in data stream form. A formatter formats the stored text and loads character codes into a refresh buffer which together with a character generator display the characters on a raster scanned cathode ray tube. Control logic responsive to a backspace character combines the bit patterns corresponding to the characters preceding and succeeding the backspace character in a temporary store and then stores the composite bit pattern in the character generator and a pointer thereto in the refresh buffer. The control logic can be inhibited to allow the individual characters constituting the composite character to be displayed individually for editing purposes.
摘要翻译： 具有字符超行能力的视觉显示单元包括以数据流形式存储文本的文本存储。 格式化器格式化存储的文本并将字符代码加载到刷新缓冲器中，其与字符发生器一起在光栅扫描的阴极射线管上显示字符。 响应于退格字符的控制逻辑组合了与临时存储器中的退格字符之前和之后的字符相对应的位模式，然后将复合位模式存储在字符生成器中，并将指针存储在刷新缓冲器中。 可以禁止控制逻辑以允许构成复合字符的各个字符被单独显示以进行编辑。
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