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原始链接: https://news.ycombinator.com/item?id=43614081

一位Hacker News用户PaulHoule评论了一篇题为“巨魔洞探险”的关于复古电脑的博文。他在评论中将早期的家用电脑分成了几代。他将Altair等系统归类为第一代,这些系统需要前面板或终端。他认为Commodore PET、Apple II和TRS-80 Model I(“三位一体”)属于第二代。他认为随后的第三代电脑(TRS-80 Color Computer、VIC-20、Atari 400)由于使用了ASIC替代了第二代的离散逻辑,从而降低了成本。PaulHoule 指出,如今重建真实的复古电脑面临着一个挑战:低产量使得ASIC的成本过高,导致现代的复刻作品不得不依赖FPGA或ESP32来控制显示。


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The Troll Hole Adventure (bluerenga.blog)
4 points by todsacerdoti 38 minutes ago | hide | past | favorite | 1 comment










The Trinity (I'd call them 2nd generation home computers with a screen and keyboard as opposed to 1st gen like the Altair that had a front panel and/or attached to a terminal) were easy to beat in terms of cost by third generation computers (TRS-80 Color Computer, VIC-20, Atari 400, ...) were based on ASIC for glue instead of the discrete logic used in the 2nd gen.

Modern attempts to build retrocomputers run into trouble being authentic because production runs are too small to justify an ASIC so they wind up using an FPGA or ESP32 for a display controller.







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