{"title":" CNROM / NROM \u306e flash \u5316\u306b\u3064\u3044\u3066","image_url":null,"provider_name":"Hatena Blog","url":"https://na6ko.hatenadiary.jp/entry/20101013/1286950192","width":"100%","description":"\u3042\u308b\u7a0b\u5ea6\u30d2\u30f3\u30c8\u3092\u3060\u3057\u305f\u3064\u3082\u308a\u3060\u3063\u305f\u3093\u3067\u3059\u304c\u56de\u7b54\u306b\u305f\u3069\u308a\u3064\u3051\u308b\u304b\u305f\u304c\u3044\u306a\u304f\u3066\u3061\u3087\u3063\u3068\u6b8b\u5ff5\u3067\u3057\u305f\u3002 CNROM \u306e\u4ed5\u69d8 CPU \u5074\u306f\u30d0\u30f3\u30af\u304c\u306a\u3044\u306e\u3067\u30e1\u30e2\u30ea\u30de\u30c3\u30d7 $8000-$ffff \u304c ROM 0x00000-0x07fff \u306b\u5f35\u3089\u308c\u307e\u3059\u3002PPU \u5074\u306f\u30d0\u30f3\u30af\u304c1\u3064\u3002\u30e1\u30e2\u30ea\u30de\u30c3\u30d7 0x0000-0x1fff \u306b ROM (0x2000 * n) - \u304c\u5f35\u3089\u308c\u307e\u3059\u3002n \u306f 0 \u304b\u3089 3(\u521d\u671f\u5024\u306f\u4e0d\u5b9a\u3060\u304c 0 \u304b\u3089 3\u3092\u3068\u308b(\u5f8c\u3067\u91cd\u8981)). n \u306e\u5024\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u4e0a\u3067 $8000-$ffff \u3092 write \u3059\u308b\u5024\u3092\u53d6\u308a\u307e\u3059\u3002 \u30cf\u30fc\u30c9\u306e\u5bfe\u5fdc CPU \u5074\u306f\u30d0\u30f3\u30af\u304c\u306a\u3044\u305f\u3081\u3001\u30d0\u30b9\u885d\u7a81\u3092\u7121\u8996\u3057\u3066\u66f8\u304d\u8fbc\u3093\u3067\u3082\u2026","provider_url":"https://hatena.blog","type":"rich","version":"1.0","author_url":"https://blog.hatena.ne.jp/na6ko/","published":"2010-10-13 15:09:52","categories":[],"blog_title":"naruko\u306e\u958b\u767a\u30e1\u30e2","author_name":"na6ko","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fna6ko.hatenadiary.jp%2Fentry%2F20101013%2F1286950192\" title=\" CNROM / NROM \u306e flash \u5316\u306b\u3064\u3044\u3066 - naruko\u306e\u958b\u767a\u30e1\u30e2\" 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://na6ko.hatenadiary.jp/","height":"190"}