{"id":103835,"date":"2026-09-11T12:33:16","date_gmt":"2026-09-11T04:33:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/103835.html"},"modified":"2026-09-11T12:33:16","modified_gmt":"2026-09-11T04:33:16","slug":"%e9%87%8d%e9%93%b81996%ef%bd%9c%e5%8f%8c%e5%90%91%e5%a5%94%e8%b5%b4%ef%bc%9a%e4%bb%8e%e4%b8%bb%e6%9d%bf%e8%8a%af%e7%89%87%e6%8b%93%e6%89%91%e7%9c%8b-libdragon-sdk-%e7%9a%84%e6%89%8b%e5%8a%a8%e6%b8%b2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/103835.html","title":{"rendered":"\u91cd\u94f81996\uff5c\u53cc\u5411\u5954\u8d74\uff1a\u4ece\u4e3b\u677f\u82af\u7247\u62d3\u6251\u770b Libdragon SDK \u7684\u624b\u52a8\u6e32\u67d3\u7ba1\u9053\u673a\u7406"},"content":{"rendered":"<p>0x00 \u524d\u8a00&#xff1a;\u5411\u7740\u6676\u4f53\u7ba1\u7684\u5e95\u5c42\u5bf9\u8d26<\/p>\n<p>\u4e3a\u4e86\u63a2\u79d8\u4e0a\u4e00\u7bc7\u91cc\u90a3\u4e2a\u597d\u4e0d\u5bb9\u6613\u70b9\u4eae\u7684\u7b2c\u4e00\u4e2a Hello World \u7a0b\u5e8f\u7684\u8fd0\u884c\u672c\u8d28&#xff0c;\u6211\u7d22\u6027\u7528\u7279\u578b\u87ba\u4e1d\u5200\u5f7b\u5e95\u62c6\u6389\u4e86\u4efb\u5929\u5802 64 \u7684\u6df1\u8272\u5851\u6599\u5916\u58f3&#xff0c;\u5c06\u90a3\u5757\u7531 Silicon Graphics (SGI) \u4eb2\u81ea\u64cd\u5200\u8bbe\u8ba1\u7684\u9ec4\u91d1\u8272\u4e3b\u677f\u5b8c\u5168\u88f8\u9732\u5728\u7a7a\u6c14\u4e2d\u3002<\/p>\n<p>\u5728\u7ffb\u9605\u3001\u67e5\u627e\u90a3\u9897\u9ed1\u8272\u7684 NEC VR4300 \u4e3b CPU\u3001\u65c1\u8fb9\u7684 RCP \u73b0\u5b9e\u534f\u5904\u7406\u5668 \u4ee5\u53ca\u90a3\u5757\u53ea\u6709 4MB \u5927\u5c0f\u7684 Rambus \u5185\u5b58 \u8d44\u6599\u65f6&#xff0c;\u6211\u770b\u7740\u8fd9\u4e9b\u51b0\u51b7\u7684\u4e8c\u6c27\u5316\u7845\u6676\u4f53&#xff0c;\u8111\u6d77\u91cc\u4e00\u76f4\u5728\u9ad8\u9891\u601d\u8003\u4e00\u4e2a\u6781\u5177\u865a\u65e0\u611f\u7684\u6280\u672f\u8c1c\u9898&#xff1a;\u6211\u4eec\u5199\u4e0b\u7684\u90a3\u51e0\u884c\u901a\u8fc7 printf \u5410\u51fa\u7684\u7eaf\u6587\u672c&#xff0c;\u7a76\u7adf\u662f\u5982\u4f55\u5728\u4e3b\u5b58\u548c\u5bc4\u5b58\u5668\u4e4b\u95f4\u88ab\u7ffb\u8bd1\u3001\u91cd\u7ec4\u3001\u574d\u7f29\u6210\u4e00\u6bb5\u6bb5\u521a\u6027\u7684\u6bd4\u7279\u6d41&#xff0c;\u5e76\u6700\u7ec8\u7a7f\u8fc7\u7269\u7406\u603b\u7ebf&#xff0c;\u53d8\u6210\u5927\u5c41\u80a1 CRT \u7535\u89c6\u673a\u5c4f\u5e55\u4e0a\u8df3\u52a8\u7684\u9713\u8679\u8272\u5f69\u7684&#xff1f;<\/p>\n<p>\u4eba\u7c7b\u7684\u5927\u8111\u64c5\u957f\u5904\u7406\u5e94\u7528\u5c42\u7684\u903b\u8f91&#xff0c;\u5374\u5f88\u96be\u76f4\u89c2\u5730\u60f3\u8c61\u4e09\u7ef4\u7a7a\u95f4\u548c\u591a\u82af\u6307\u4ee4\u5728\u82af\u7247\u5185\u90e8\u7684\u7269\u7406\u5bf9\u9f50\u3002\u5982\u679c\u4e00\u4e0a\u6765\u5c31\u53bb\u5543\u56fe\u5f62\u5b66\u91cc\u90a3\u4e9b\u590d\u6742\u7684\u7ebf\u6027\u4ee3\u6570\u6216 4&#215;4 \u9f50\u6b21\u5750\u6807\u53d8\u6362\u77e9\u9635&#xff0c;\u7b49\u5f85\u6211\u4eec\u7684\u53ea\u6709\u8ba4\u77e5\u7684\u6b7b\u9501\u3002\u4eca\u5929&#xff0c;\u6211\u4eec\u4e0d\u804a\u9ad8\u6df1\u7684\u6570\u5b66&#xff0c;\u800c\u662f\u76f4\u63a5\u628a\u4e3b\u677f\u4e0a\u7684\u6838\u5fc3\u90e8\u4ef6\u5f53\u6210\u4e00\u4e2a\u7ec4\u7ec7\u6781\u5176\u4e25\u5bc6\u3001\u5206\u5de5\u6781\u5ea6\u6b7b\u677f\u7684\u201c\u7279\u79cd\u65bd\u5de5\u961f\u201d&#xff0c;\u6765\u770b\u770b\u5728\u8fd9 4MB \u7684\u65b9\u5bf8\u4e4b\u5730\u4e0a&#xff0c;\u5b83\u4eec\u662f\u5982\u4f55\u5728 16 \u6beb\u79d2\u7684\u751f\u6b7b\u7ebf\u524d\u5b8c\u6210\u65f6\u7a7a\u5927\u63a5\u529b\u7684\u3002<\/p>\n<\/p>\n<hr \/>\n<p>0x01 \u6253\u5f00\u673a\u5668\u76d6&#xff1a;\u4e3b\u677f\u4e0a\u7684\u6838\u5fc3\u5de5\u79cd<\/p>\n<p>\u5728\u8fd9\u4e2a\u5171\u4eab\u5185\u5b58\u7684\u5efa\u7b51\u65bd\u5de5\u9879\u76ee\u91cc&#xff0c;\u4e09\u9897\u6838\u5fc3\u82af\u7247\u5404\u53f8\u5176\u804c&#xff0c;\u5176\u534f\u540c\u8fd0\u8f6c\u7684\u672c\u8d28\u662f\u4e00\u5f20\u8ba1\u7b97\u6781\u5176\u7cbe\u5bc6\u7684\u7269\u7406\u8d26\u672c&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260911043315-6aa3848b55475.png\" \/><\/p>\n<p>1. \u9879\u76ee\u603b\u8bbe\u8ba1\u5e08\u517c\u7532\u65b9&#xff1a;CPU (NEC VR4300i)<\/p>\n<ul>\n<li>\u5de5\u79cd\u4eba\u8bbe&#xff1a;\u62ff\u7740\u56fe\u7eb8\u7684\u201c\u603b\u8bbe\u8ba1\u5e08\u201d\u3002<\/li>\n<li>\u6838\u5fc3\u804c\u8d23&#xff1a;\u5b83\u4e0d\u8d1f\u8d23\u642c\u7816&#xff0c;\u4e5f\u4e0d\u8d1f\u8d23\u5237\u6f06\u3002\u5b83\u53ea\u5f85\u5728\u81ea\u5df1\u7684 L1 \u7f13\u5b58\u529e\u516c\u5ba4\u91cc&#xff0c;\u5feb\u901f\u8ba1\u7b97\u6e38\u620f\u7684\u903b\u8f91\u3001\u73a9\u5bb6\u7684\u624b\u67c4\u8f93\u5165\u548c\u7269\u4f53\u7684\u7269\u7406\u78b0\u649e\u3002\u5b83\u8d1f\u8d23\u5728\u5171\u4eab\u5185\u5b58\u91cc\u753b\u597d\u6700\u7ec8\u7684\u201c\u65bd\u5de5\u56fe\u7eb8&#xff08;Display List \u4e8c\u8fdb\u5236\u6307\u4ee4\u6d41&#xff09;\u201d&#xff0c;\u7136\u540e\u4e0b\u8fbe DMA \u5f00\u5de5\u4ee4\u3002<\/li>\n<\/ul>\n<p>2. \u73b0\u573a\u5305\u5de5\u5934\u517c\u51e0\u4f55\u7ec4\u957f&#xff1a;RCP \u5185\u90e8\u7684 RSP (Reality Signal Processor)<\/p>\n<ul>\n<li>\u5de5\u79cd\u4eba\u8bbe&#xff1a;\u624b\u62ff\u8ba1\u7b97\u5668\u3001\u55d3\u95e8\u6781\u5927\u7684\u201c\u73b0\u573a\u5305\u5de5\u5934\u201d\u3002<\/li>\n<li>\u6838\u5fc3\u804c\u8d23&#xff1a;\u5b83\u7684\u624b\u4e0b\u53ea\u6709\u4e00\u5757\u6781\u5c0f\u4f46\u6781\u5feb\u7684 4KB \u72ec\u7acb\u4f11\u606f\u5ba4&#xff08;IMEM\/DMEM&#xff09;\u3002\u5b83\u8d1f\u8d23\u53bb\u8bfb CPU \u7559\u4e0b\u7684\u56fe\u7eb8&#xff0c;\u75af\u72c2\u5730\u505a\u4e09\u7ef4\u7a7a\u95f4\u7684\u6570\u5b66\u77e9\u9635\u53d8\u6362\u3002\u5b83\u628a CPU \u52fe\u52d2\u51fa\u7684 3D \u4e16\u754c\u901a\u8fc7\u6570\u5b66\u516c\u5f0f\u62cd\u6241\u3001\u88c1\u526a\u3001\u89e3\u7b97\u51fa\u5728 2D \u7535\u89c6\u5c4f\u5e55\u4e0a\u5bf9\u5e94\u7684\u4e09\u7ef4\u591a\u8fb9\u5f62\u9876\u70b9\u5750\u6807&#xff0c;\u7136\u540e\u5411\u4e0b\u4e00\u9053\u5de5\u5e8f\u5927\u558a&#xff1a;\u201c\u6570\u636e\u7b97\u597d\u4e86&#xff0c;\u51c6\u5907\u780c\u7816&#xff01;\u201d<\/li>\n<\/ul>\n<p>3. \u4e00\u7ebf\u6ce5\u74e6\u5320\u517c\u7c89\u5237\u5de5&#xff1a;RCP \u5185\u90e8\u7684 RDP (Reality Display Processor)<\/p>\n<ul>\n<li>\u5de5\u79cd\u4eba\u8bbe&#xff1a;\u6d51\u8eab\u6ce5\u6c34\u3001\u624b\u811a\u6781\u5feb\u7684\u201c\u4e00\u7ebf\u7c89\u5237\u5320\u201d\u3002<\/li>\n<li>\u6838\u5fc3\u804c\u8d23&#xff1a;\u5b83\u624b\u91cc\u552f\u4e00\u7684\u5bb6\u5f53\u5c31\u662f\u90a3\u53e3\u53ea\u80fd\u88c5 4KB \u8d34\u56fe\u7684\u201c\u5c0f\u6599\u6876&#xff08;TMEM \u7eb9\u7406\u7f13\u5b58&#xff09;\u201d\u3002\u5b83\u770b\u4e0d\u61c2 3D \u6570\u5b66&#xff0c;\u5b83\u53ea\u7ba1\u6700\u7c97\u66b4\u7684\u4f53\u529b\u6d3b&#xff1a;\u6839\u636e RSP \u7ed9\u51fa\u7684\u5c4f\u5e55\u5750\u6807&#xff0c;\u75af\u72c2\u5730\u5f80\u4e3b\u5185\u5b58\u7684\u5e27\u7f13\u51b2\u533a&#xff08;Frame Buffer&#xff09;\u91cc\u7838\u50cf\u7d20&#xff0c;\u6267\u884c\u6297\u952f\u9f7f\u3001\u53cc\u7ebf\u6027\u8fc7\u6ee4\u548c\u8272\u5f69\u6df7\u5408&#xff0c;\u628a\u51b0\u51b7\u7684\u5750\u6807\u53d8\u6210\u5927\u5c41\u80a1\u7535\u89c6\u673a\u8ba4\u8bc6\u7684\u989c\u8272\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>0x03\u00a0\u4ee3\u7801\u7684\u4f2a\u88c5&#xff1a;printf \u80cc\u540e\u7684\u5185\u5b58\u91cd\u5b9a\u5411\u4e0e\u201c\u865a\u62df\u8d26\u672c\u201d<\/p>\n<p>\u73b0\u5728&#xff0c;\u6211\u4eec\u5bf9\u7167\u4e0a\u4e00\u671f\u5728 Lab 001 \u5199\u4e0b\u7684\u90a3\u884c\u6807\u51c6 C \u8bed\u8a00\u4ee3\u7801 printf(&#034;HELLO, N64 GEEK WORLD!&#034;);\u3002<\/p>\n<p>\u5f88\u591a\u8bfb\u8005\u4f1a\u60f3\u5f53\u7136\u5730\u4ee5\u4e3a&#xff0c;\u4e3b CPU \u6267\u884c\u5230\u8fd9\u884c\u4ee3\u7801\u65f6&#xff0c;\u5c31\u50cf\u5728\u73b0\u4ee3 PC \u4e0a\u4e00\u6837&#xff0c;\u76f4\u63a5\u7528\u753b\u7b14\u5728\u663e\u793a\u7f13\u51b2\u533a&#xff08;Frame Buffer&#xff09;\u91cc\u628a\u5b57\u753b\u4e86\u51fa\u6765\u3002\u9519&#xff01;\u5728\u65e0 OS \u7684\u7eaf\u7cb9\u88f8\u673a\u4e16\u754c\u91cc&#xff0c;printf \u662f\u4e00\u4e2a\u5730\u5730\u9053\u9053\u7684\u201c\u9ad8\u7ea7\u5367\u5e95\u201d\u3002<\/p>\n<\/p>\n<p><span style=\"color:#b95514\">1. \u8f6f\u4ef6\u5c42\u7684\u201c\u865a\u62df\u8d26\u672c\u201d<\/span><\/p>\n<p>N64 \u7684\u5904\u7406\u5668\u6839\u672c\u6ca1\u6709\u201c\u5c4f\u5e55\u7ec8\u7aef\u201d\u7684\u6982\u5ff5\u3002Libdragon \u6846\u67b6\u901a\u8fc7\u5bf9\u5e95\u5c42\u7f16\u8bd1\u6807\u51c6 C \u5e93&#xff08;newlib&#xff09;\u7684 _write() \u6869\u51fd\u6570\u8fdb\u884c\u62e6\u622a\u91cd\u5b9a\u5411&#xff0c;\u5f3a\u884c\u628a printf \u7684\u8f93\u51fa\u6d41&#xff0c;\u585e\u8fdb\u4e86\u4e3b\u5185\u5b58&#xff08;RDRAM&#xff09;\u91cc\u4e00\u5757\u7531\u8f6f\u4ef6\u7ef4\u62a4\u7684\u3001\u4ec5\u6709\u51e0 KB \u5927\u5c0f\u7684\u201c\u865a\u62df\u5b57\u7b26\u70b9\u9635\u533a&#xff08;Text Buffer&#xff09;\u201d\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u771f\u76f8&#xff1a;\u5f53 CPU \u6267\u884c\u5b8c printf \u65f6&#xff0c;\u56fe\u5f62\u82af\u7247&#xff08;RDP&#xff09;\u6b64\u65f6\u8fd8\u4e00\u65e0\u6240\u77e5\u3002\u4e3b\u5185\u5b58\u7684\u663e\u5b58\u533a\u91cc\u4f9d\u7136\u662f\u4e00\u7247\u6f06\u9ed1&#xff0c;\u4f60\u585e\u8fdb\u53bb\u7684\u53ea\u662f\u51e0\u884c\u4ee3\u8868 ASCII \u7801\u7684\u201c\u8d26\u672c\u6570\u5b57\u201d\u3002<\/li>\n<\/ul>\n<p><span style=\"color:#b95514\">2. \u771f\u6b63\u7684\u4ea4\u68d2\u8005&#xff1a;console_render()<\/span><\/p>\n<p>\u771f\u6b63\u628a\u8fd9\u4e2a\u8d26\u672c\u53d8\u6210\u50cf\u7d20\u3001\u63a8\u5411 90 \u5e74\u4ee3 RDP \u663e\u5361\u7684&#xff0c;\u662f\u6b7b\u5faa\u73af\u5e95\u90e8\u7684 console_render()\u3002\u5728\u6700\u65b0\u7248 Libdragon 16.x \u7684\u663e\u5f0f\u663e\u793a\u7ba1\u9053\u89c4\u8303\u4e0b&#xff0c;\u5b83\u7684\u5185\u90e8\u6e90\u7801\u5728\u6bcf\u4e00\u5e27\u8fdb\u884c\u7740\u6781\u5176\u6b7b\u677f\u7684\u95ed\u73af\u52a8\u4f5c&#xff1a;<\/p>\n<li>\u7533\u8bf7\u5730\u57fa&#xff1a;\u81ea\u52a8\u8c03\u7528\u6700\u65b0\u7248\u7684 display_get()&#xff0c;\u5411 UMA \u603b\u7ebf\u4ef2\u88c1\u5668\u5b89\u5168\u8bf7\u6c42&#xff1a;\u201c\u8bf7\u4ece\u786c\u4ef6\u53cc\u7f13\u51b2\u6c60\u4e2d&#xff0c;\u63d0\u53d6\u5f53\u524d\u7a7a\u95f2\u7684\u90a3\u4e2a\u7269\u7406\u5e27\u7f13\u51b2\u533a\u6307\u9488&#xff08;disp&#xff09;\u201d\u3002<\/li>\n<li>\u50cf\u7d20\u5316\u8f70\u70b8&#xff1a;\u4e3b CPU \u77ac\u95f4\u5207\u5165&#xff0c;\u8bfb\u53d6\u521a\u521a printf \u7559\u5728\u865a\u62df\u8d26\u672c\u91cc\u7684 ASCII \u7801&#xff0c;\u901a\u8fc7\u5185\u5efa\u7684\u8f6f\u4ef6\u5b57\u6a21&#xff0c;\u5c06\u6bcf\u4e2a\u5b57\u6bcd\u8f6c\u6362\u6210\u771f\u6b63\u7684\u50cf\u7d20\u70b9\u9635&#xff0c;\u5e76\u8054\u5408 RDP \u82af\u7247\u4ee5\u9971\u548c\u8f70\u70b8\u7684\u59ff\u6001&#xff0c;\u5f3a\u5236\u5237\u8fdb\u521a\u521a\u62ff\u5230\u7684 disp \u663e\u5b58\u5757\u4e2d\u3002<\/li>\n<li>\u63a8\u5411\u7535\u89c6\u673a&#xff1a;\u5728 16.6ms \u5782\u76f4\u7a7a\u767d\u95f4\u9699&#xff08;V-Blank&#xff09;\u964d\u4e34\u7684\u77ac\u95f4&#xff0c;\u5185\u90e8\u89e6\u53d1 display_show(disp) \u5f3a\u5236\u5c06\u6307\u9488\u63a8\u5411\u89c6\u9891\u63a5\u53e3&#xff08;VI&#xff09;&#xff0c;\u5b8c\u6210\u5b8c\u7f8e\u7684\u65f6\u7a7a\u4ea4\u68d2&#xff0c;\u63a5\u7740\u6d17\u51c0\u5b57\u7b26\u8d26\u672c&#xff0c;\u7b49\u5f85\u4e0b\u4e00\u6b21\u5faa\u73af\u3002<\/li>\n<p>\u3010 Libdragon \u73b0\u4ee3\u5b57\u7b26\u6e32\u67d3\u7ba1\u7ebf\u7684\u964d\u7ef4\u9002\u914d\u673a\u5236 \u3011<\/p>\n<p> [ \u4f60\u7684 printf ] \u2500\u2500&gt; \u6ce8\u5165\u4e3b\u5b58 -&gt; [ \u865a\u62df\u5b57\u7b26\u70b9\u9635\u8d26\u672c ]<br \/>\n                                      \u2502<br \/>\n                         ( \u89e6\u53d1 console_render )<br \/>\n                                      \u25bc<br \/>\n [ \u4e3b CPU \u5145\u5f53\u5b57\u6a21\u5de5 ] \u2500\u2500&gt; \u5c06 ASCII \u7801\u6620\u5c04\u4e3a 8&#215;8 \u50cf\u7d20\u5b57\u6a21 (Font Glyphs)<br \/>\n                                      \u2502<br \/>\n                         ( \u5c06\u5b57\u6a21\u5f53\u6210 2D \u7eb9\u7406\u8d34\u56fe )<br \/>\n                                      \u25bc<br \/>\n [ UMA \u603b\u7ebf\u7ba1\u9053 DMA ] \u2500\u2500&gt; \u5f3a\u884c\u585e\u8fdb 4KB TMEM \u989c\u6599\u6876\u4e2d<br \/>\n                                      \u2502<br \/>\n                         ( \u6307\u6325\u6ce5\u74e6\u5320 RDP \u780c\u7816 )<br \/>\n                                      \u25bc<br \/>\n [ RDP \u50cf\u7d20\u6e32\u67d3\u5668 ] \u2500\u2500&gt; \u7838\u5165\u7269\u7406\u663e\u5b58 [ Frame Buffer ] \u2500\u2500&gt; \u7535\u89c6\u673a\u4eae\u8d77\u767d\u5b57<\/p>\n<p>\u5728 RENDER_MANUAL&#xff08;\u624b\u52a8\u6e32\u67d3\u6a21\u5f0f&#xff09;\u4e0b&#xff0c;Libdragon \u4e3a\u4e86\u5728\u7eaf\u56fe\u5f62\u786c\u4ef6\u4e0a\u6a21\u62df\u51fa\u8c03\u8bd5\u63a7\u5236\u53f0&#xff0c;\u6267\u884c\u4e86\u4e00\u573a\u7cbe\u5999\u7684\u201c\u964d\u7ef4\u5927\u4f2a\u88c5\u201d&#xff1a;<\/p>\n<li>\u5b57\u7b26\u8d26\u672c\u7684\u5efa\u7acb&#xff1a;printf \u53ea\u662f\u4e00\u4e2a\u5367\u5e95&#xff0c;\u5b83\u628a\u6587\u5b57\u7684 ASCII \u7801\u8001\u8001\u5b9e\u5b9e\u5199\u5728\u5185\u5b58\u7684\u8f6f\u4ef6\u8d26\u672c\u91cc\u3002<\/li>\n<li>CPU \u5b57\u6a21\u5de5\u7684\u5f62\u53d8&#xff1a;\u5f53\u4ee3\u7801\u5728\u6b7b\u5faa\u73af\u5e95\u90e8\u547c\u5524 console_render() \u65f6&#xff0c;\u4e3b CPU&#xff08;VR4300i&#xff09;\u4f1a\u4e34\u65f6\u5145\u5f53\u5b57\u6a21\u5de5\u3002\u5b83\u53bb\u8bfb\u53d6\u8d26\u672c\u91cc\u7684\u6bcf\u4e2a\u5b57\u7b26&#xff0c;\u6839\u636e\u5185\u7f6e\u7684 8&#215;8 \u50cf\u7d20\u5b57\u4f53\u5e93&#xff0c;\u5c06\u5b57\u7b26\u8f6c\u53d8\u6210\u4e00\u5f20\u5f20\u5305\u542b\u70b9\u9635\u7684 2D \u5fae\u578b\u9ed1\u767d\u4f4d\u56fe&#xff08;Texture&#xff09;\u3002<\/li>\n<li>\u628a\u6587\u5b57\u5f53\u6210\u201c\u8d34\u56fe\u201d\u5582\u7ed9\u663e\u5361&#xff1a;\u8fd9\u4e9b 8&#215;8 \u7684\u6587\u5b57\u4f4d\u56fe\u88ab\u5f53\u6210\u666e\u901a\u7684 2D \u6e38\u620f\u6750\u8d28&#xff0c;\u901a\u8fc7\u603b\u7ebf DMA \u7ba1\u9053&#xff0c;\u88ab\u4e00\u52fa\u4e00\u52fa\u5730\u5f3a\u5236\u8200\u8fdb RDP \u82af\u7247\u90a3\u53ef\u601c\u7684 4KB TMEM&#xff08;\u7eb9\u7406\u7f13\u5b58&#xff09;\u6599\u6876\u91cc\u3002<\/li>\n<li>\u6700\u7ec8\u5149\u6805\u5316\u63d0\u4ea4&#xff1a;RDP \u82af\u7247\u7ec8\u4e8e\u770b\u61c2\u4e86\u8fd9\u6876\u201c\u989c\u6599\u201d&#xff0c;\u5b83\u6325\u821e\u8d77\u7740\u8272\u5668&#xff0c;\u628a\u8fd9\u4e9b\u4ee3\u8868\u5b57\u6a21\u7684 2D \u8d34\u56fe&#xff0c;\u4ee5\u9971\u548c\u8f70\u70b8\u7684\u59ff\u6001&#xff0c;\u7cbe\u51c6\u5730\u7838\u8fdb\u4e3b\u5185\u5b58&#xff08;RDRAM&#xff09;\u5f53\u524d\u7684\u7269\u7406\u5e27\u7f13\u51b2\u533a&#xff08;Frame Buffer&#xff09;\u4e2d\u3002<\/li>\n<p>\u8fd9\u5c31\u662f\u6587\u672c\u6a21\u5f0f\u5339\u914d\u56fe\u5f62\u6a21\u5f0f\u7684\u672c\u8d28&#xff1a;\u4ee3\u7801\u91cc\u7684\u6bcf\u4e00\u4e2a\u82f1\u6587\u5b57\u6bcd&#xff0c;\u5728\u786c\u4ef6\u5e95\u5c42&#xff0c;\u5176\u5b9e\u90fd\u662f\u4e00\u4e2a\u88ab\u8d34\u4e0a\u4e86 8&#215;8 \u5b57\u4f53\u8d34\u56fe\u7684\u3001\u88ab\u5f3a\u884c\u6241\u5e73\u5316\u7684 3D \u6e38\u620f\u591a\u8fb9\u5f62\u9762\u7247&#xff01;<\/p>\n<\/p>\n<hr \/>\n<p>0x04 \u67b6\u6784\u62f7\u95ee&#xff1a;\u7b2c\u4e00\u4e2a Hello \u4f8b\u5b50\u662f\u5426\u80cc\u79bb\u4e86 N64 \u7684\u56fe\u5f62\u6e32\u67d3\u539f\u5219&#xff1f;<\/p>\n<p>\u5728\u8fd9\u91cc&#xff0c;\u6211\u4eec\u53ef\u4ee5\u63d0\u51fa\u4e00\u4e2a\u6700\u9707\u64bc\u7684\u67b6\u6784\u5e08\u7ea7\u601d\u8fa8&#xff1a;\u6211\u4eec\u5728\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u91cc\u73a9\u5f97\u4e0d\u4ea6\u4e50\u4e4e\u7684\u8fd9\u79cd\u201c\u5229\u7528 CPU \u8f6f\u5b57\u6a21\u5f3a\u884c\u51b2\u5237\u63a7\u5236\u53f0\u201d\u7684\u6e32\u67d3\u539f\u7406&#xff0c;\u5728\u672c\u8d28\u4e0a&#xff0c;\u5176\u5b9e\u5b8c\u5168\u80cc\u79bb\u4e86 N64 \u5f53\u5e74\u8ffd\u6c42\u6781\u81f4\u6027\u80fd\u7684\u56fe\u5f62\u6e32\u67d3\u539f\u5219&#xff01;<\/p>\n<p>\u5b83\u4e0d\u4ec5\u8fdd\u80cc\u4e86\u539f\u5219&#xff0c;\u751a\u81f3\u53ef\u4ee5\u8bf4\u662f\u8e29\u4e2d\u4e86 N64 \u56fe\u5f62\u5f00\u53d1\u4e2d\u6700\u6602\u8d35\u7684\u4e24\u5927\u603b\u7ebf\u96f7\u533a&#xff1a;<\/p>\n<\/p>\n<p>1. \u8fdd\u80cc\u4e86\u201c\u8ba9\u534f\u5904\u7406\u5668\u5206\u62c5\u538b\u529b\u201d\u7684\u521d\u8877&#xff08;\u69a8\u5e72 CPU \u7b97\u529b&#xff09;<\/p>\n<p>N64 \u67b6\u6784\u7684\u6838\u5fc3\u7cbe\u9ad3&#xff0c;\u662f\u8ba9\u4e3b CPU \u53bb\u505a\u903b\u8f91&#xff0c;\u800c\u628a\u6240\u6709\u7684\u51e0\u4f55\u53d8\u6362\u3001\u50cf\u7d20\u586b\u5145\u5b8c\u5168\u4e22\u7ed9 RCP \u534f\u5904\u7406\u5668\u3002<br \/>\n\u7136\u800c&#xff0c;\u5728\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d&#xff0c;\u4e3b CPU \u5374\u88ab\u8feb\u4eb2\u81ea\u4e0b\u573a\u53bb\u5e72\u810f\u6d3b\u7d2f\u6d3b\u2014\u2014\u5b83\u8981\u5728\u6b7b\u5faa\u73af\u91cc&#xff0c;\u6bcf\u79d2\u949f\u91cd\u590d 60 \u6b21\u5730\u628a ASCII \u7801\u8f6c\u6362\u6210\u4f4d\u56fe\u6570\u636e&#xff0c;\u7136\u540e\u8fd8\u8981\u9891\u7e41\u53bb\u642c\u8fd0\u8fd9\u4e9b\u50cf\u7d20\u3002\u8fd9\u5bfc\u81f4\u4e3b CPU \u672c\u6765\u5e94\u8be5\u7559\u7ed9\u590d\u6742 3D \u7269\u7406\u78b0\u649e\u548c AI \u7684\u9ad8\u6602\u7b97\u529b&#xff0c;\u88ab\u65e0\u60c5\u5730\u6d6a\u8d39\u5728\u4e86\u201c\u4eba\u8089\u753b\u5b57\u201d\u7684\u673a\u68b0\u52b3\u52a8\u4e2d\u3002<\/p>\n<\/p>\n<p>2. \u89e6\u53d1\u4e86\u81f4\u547d\u7684 UMA \u5e26\u5bbd\u5f00\u9500&#xff08;\u603b\u7ebf\u8e29\u8e0f\u6076\u9b54&#xff09;<\/p>\n<p>\u6211\u4eec\u5728\u4e4b\u524d\u7684\u201c\u82af\u7247\u65bd\u5de5\u961f\u201d\u91cc\u804a\u8fc7&#xff0c;N64 \u53ea\u6709\u4e00\u6761 9 \u4f4d\u5bbd\u7684 Rambus \u5185\u5b58\u603b\u7ebf\u3002<\/p>\n<ul>\n<li>\u5f53\u6211\u4eec\u5728\u6b7b\u5faa\u73af\u91cc\u9891\u7e41\u8c03\u7528 console_render() \u53bb\u9ad8\u9891\u590d\u5199\u6574\u4e2a\u5e27\u7f13\u51b2\u533a\u65f6&#xff0c;CPU \u8f6f\u4ef6\u5b57\u6a21\u5bf9\u7269\u7406\u663e\u5b58&#xff08;Frame Buffer&#xff09;\u7684\u6bcf\u4e00\u6b21\u5199\u5165&#xff0c;\u90fd\u5728\u75af\u72c2\u538b\u69a8\u8fd9\u6761\u7a84\u7a84\u7684\u603b\u7ebf\u5e26\u5bbd\u3002<\/li>\n<li>\u81f4\u547d\u7684\u653e\u5927\u6548\u5e94&#xff1a;\u7531\u4e8e\u6211\u4eec\u5728 Lab 001 \u4e2d\u5f00\u542f\u4e86 \u53cc\u7f13\u51b2&#xff08;Double Buffering&#xff09;\u6a21\u5f0f&#xff0c;CPU \u5728\u8fd9\u4e00\u5e27\u753b\u5b8c\u540e&#xff0c;\u4e0b\u4e00\u5e27\u8fd8\u8981\u5728\u53e6\u4e00\u4e2a\u7f13\u51b2\u533a\u91cc\u91cd\u65b0\u518d\u753b\u4e00\u904d\u6240\u6709\u7684\u5b57&#xff01;\u8fd9\u79cd\u9ad8\u9891\u7684\u3001\u6beb\u65e0\u6280\u672f\u542b\u91cf\u7684\u5185\u5b58\u541e\u5410&#xff08;\u6bcf\u79d2 60 \u6b21\u7684\u6574\u76d8\u663e\u5b58\u51b2\u5237&#xff09;&#xff0c;\u5728\u771f\u5b9e\u7684\u5546\u4e1a 3D \u6e38\u620f\u5f00\u53d1\u4e2d\u662f\u4e0d\u53ef\u9976\u6055\u7684\u201c\u603b\u7ebf\u7a0e\u201d\u6d6a\u8d39\u3002\u5f53\u5e74\u5982\u679c\u54ea\u4e2a\u5f00\u53d1\u5927\u5382\u7684\u7a0b\u5e8f\u5458\u6562\u8fd9\u6837\u5199\u6e38\u620f\u754c\u9762&#xff0c;\u6e38\u620f\u753b\u9762\u7edd\u5bf9\u4f1a\u56e0\u4e3a\u603b\u7ebf\u8e29\u8e0f\u77ac\u95f4\u5361\u6210 10 \u5e27\u7684\u5e7b\u706f\u7247\u3002<\/li>\n<\/ul>\n<p>0x05 \u7ed3\u8bed&#xff1a;\u5728\u7269\u7406\u8fb9\u754c\u7684\u7ea2\u7ebf\u4ee5\u5185<\/p>\n<p>\u5728 4MB \u7edf\u4e00\u5185\u5b58\u7684\u7269\u7406\u8bc5\u5492\u4e0b&#xff0c;\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a Hello World \u4f8b\u5b50\u867d\u7136\u901a\u8fc7 CPU \u8f6f\u5b57\u6a21\u5b8c\u6210\u4e86\u5bf9\u56fe\u5f62\u82af\u7247\u7684\u201c\u964d\u7ef4\u5927\u4f2a\u88c5\u201d&#xff0c;\u4f46\u5728\u6027\u80fd\u672c\u8d28\u4e0a&#xff0c;\u5b83\u5374\u662f\u4e00\u573a\u5bf9\u4e3b CPU \u7b97\u529b\u548c 9-bit Rambus \u603b\u7ebf\u5e26\u5bbd\u6781\u5ea6\u5962\u4f88\u7684\u201c\u5168\u9762\u6325\u970d\u201d\u3002<\/p>\n<p>\u771f\u6b63\u7684 N64 \u6e38\u620f\u5f00\u53d1&#xff0c;\u7edd\u4e0d\u662f\u8eb2\u5728 printf \u91cd\u5b9a\u5411\u7684\u6e29\u5ba4\u91cc\u4eba\u8089\u5237\u5c4f\u3002\u5728\u8fd9\u4e2a\u6ca1\u6709\u4efb\u4f55\u9ad8\u7ea7\u64cd\u4f5c\u7cfb\u7edf\u57ab\u5e95\u7684\u65e0 OS \u73af\u5883\u4e0b&#xff0c;\u6bcf\u4e00\u4e2a\u5b57\u8282\u7684\u5f00\u9500\u3001\u6bcf\u4e00\u6b21\u603b\u7ebf\u7684\u4e89\u62a2&#xff0c;\u90fd\u5fc5\u987b\u7cbe\u51c6\u63a7\u5236\u5728\u786c\u4ef6\u7684\u7269\u7406\u8fb9\u754c\u7ea2\u7ebf\u4ee5\u5185\u3002\u60f3\u8981\u5728\u8fd9\u5757\u6840\u9a9c\u4e0d\u9a6f\u7684\u9ec4\u91d1\u8272\u4e3b\u677f\u4e0a&#xff0c;\u8ba9\u82af\u7247\u65bd\u5de5\u961f\u4ee5 100% \u7684\u5b8c\u7f8e\u72b6\u6001\u8dd1\u5b8c 16.6 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