{"type":"rich","image_url":null,"published":"2006-11-10 22:37:26","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyfl711.hateblo.jp%2Fentry%2F5912481\" title=\"LAN\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30c6\u30b9\u30c8 - CPU\u5b9f\u9a13\u5ba4\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://yfl711.hateblo.jp/","title":"LAN\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30c6\u30b9\u30c8","height":"190","width":"100%","provider_url":"https://hatena.blog","url":"https://yfl711.hateblo.jp/entry/5912481","description":"LAN\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30c6\u30b9\u30c8\u3092\u59cb\u3081\u307e\u3057\u305f\u3002 RTL8019AS\u306e\u30d9\u30fc\u30b9\u30a2\u30c9\u30ec\u30b9\u306f0x00C0\u3068\u3057\u305f\u306e\u3067 I/O\u30a2\u30c9\u30ec\u30b9\u306e0x00C0\uff5e0x00DF\u3092\u5360\u6709\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002 \u3057\u304b\u3057\u3053\u306e\u5185\u90e8\u30ec\u30b8\u30b9\u30bf\u306e\u591a\u3055\u306f\u624b\u5f37\u305d\u3046\u3002 Z80-DMA\u3084HD63484-ACRTC\u3082\u4f7f\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u305d\u308c\u306b\u5339\u6575\u3057\u307e\u3059\u3002 \u307e\u305a\u624b\u59cb\u3081\u306b\u30ea\u30e2\u30fc\u30c8DMA\u3067\u5916\u4ed8\u3051EEPROM\u304b\u3089MAC\u30a2\u30c9\u30ec\u30b9\u3092\u8aad\u307f\u51fa\u3057\u3066\u307f\u307e\u3057\u305f\u3002 a=inp(RESET); /* \u30c7\u30d0\u30a4\u30b9\u306e\u30ea\u30bb\u30c3\u30c8*/ outp(RESET,a); outp(CR,0x21); /*\u30ea\u30e2\u30fc\u30c8DMA\u30a2\u30dc\u30fc\u30c8\u3001\u52d5\u4f5c\u505c\u6b62*/ outp(DCR,0x48); /*FIFO8\u30d0\u30a4\u30c8\u2026","version":"1.0","blog_title":"CPU\u5b9f\u9a13\u5ba4","author_url":"https://blog.hatena.ne.jp/O3I/","provider_name":"Hatena Blog","categories":["V53","#\u5de5\u5b66"],"author_name":"O3I"}