术语 | direct access display channel |
释义 | direct access display channel 直接存取显示通道;[直接接达通道显示器] A channel which provides automatic collection of data and control information from main memory with a single instruction. This indexable address register contains the memory address of the next display control or data word in memory. Termination of the transfers is controlled by the stop bit which signals the computer upon completion of plotting. The stop bit's location may be determined by examining the contents of the channel register. 用单条指令自动从主存中收集数据和控制信息的一种通道。这种可变址寄存器包含了存 储器中下一个显示控制或数据字的存储地址。当绘图完成时,停止位向计算机发信号,控制 传递结束。检查信道寄存器的内容可确定停止位的位置。 |
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