DECmate II是DEC公司于1982年推出的一款基于PDP-8架构的桌面微电脑，其核心采用了Harris HD-6120（CMOS PDP-8处理器）。虽然它本质上被设计为一款专用文字处理机，内置双软驱，并可扩展Z80或8086卡以运行CP/M或MS-DOS，但其内部架构仍与经典的PDP-8一脉相承。本文详细追溯了这一机型的历史渊源——从1965年的原始PDP-8（Straight-8），到Intersil的IM6100单芯片实现，再到VT78和后续的DECmate系列，并展示了作者如何对一台DECmate II进行改造（将软驱替换为固态存储、引出视频输出），使其重现活力。
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