{"id":161,"date":"2017-08-11T14:12:15","date_gmt":"2017-08-11T06:12:15","guid":{"rendered":"http:\/\/www.sinkland.cn\/?p=161"},"modified":"2019-08-17T15:04:32","modified_gmt":"2019-08-17T07:04:32","slug":"smlos%e4%b8%89-%e5%9b%be%e5%bd%a2%e5%a4%84%e7%90%86%e7%9b%b8%e5%85%b3%e5%8a%9f%e8%83%bd%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"http:\/\/www.sinkland.cn\/?p=161","title":{"rendered":"SmlOS\u4e09-\u56fe\u5f62\u5904\u7406\u76f8\u5173\u529f\u80fd\u5b9e\u73b0"},"content":{"rendered":"

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\u5728\u8c03\u8bd5\u7684\u65f6\u5019\u53ef\u4ee5\u628a\u663e\u5b58\u5168\u90e8\u586b\u5145\u6210\u4e00\u79cd\u989c\u8272\uff0c\u5927\u6982\u4f1a\u662f\u8fd9\u6837:<\/p>\n

\"image\"<\/p>\n

\n

\u6587\u5b57\u663e\u793a<\/h3>\n

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\u8fd9\u91cc\u663e\u793a\u4e86\u51e0\u4e2a\u6570\u5b57\uff1a<\/p>\n

\"image\"<\/p>\n

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extern char Font[4096];\n\n\/*\u8f93\u51fa\u5b57\u7b26\u4e32*\/\nvoid PutFont_Asc(unsigned char *vram, int nXSize, int x, int y, char c,unsigned char *s)\n{\n for (; *s != 0x00; s++)\n {\n  PutFont8(vram, nXSize, x, y, c, Font + *s * 16);\n  x += 8;\n }\n return;\n}\n<\/code><\/pre>\n
\n
\u8c03\u8272\u677f\u8bbe\u7f6e<\/h3>\n
\u8fd9\u91cc\u7684\u663e\u793a\u6a21\u5f0f\u662f8\u4f4d\u8272\u6a21\u5f0f\uff0c\u8c03\u8272\u677f\u529f\u80fd\u53ef\u4ee5\u81ea\u5b9a\u4e49\u6307\u5b9a\u989c\u8272\u503c\u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n
\u800c\u5728\u4f7f\u7528\u8c03\u8272\u677f\u529f\u80fd\u4e4b\u524d\uff0c\u9996\u5148\u8981\u4fdd\u5b58EFLAGS\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\uff0cEFLAGS\u5bc4\u5b58\u5668\u4e3b\u8981\u7528\u4e8e\u63d0\u4f9b\u7a0b\u5e8f\u72b6\u6001\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u63a7\u5236\uff0c\u5728\u8bbe\u5b9a\u7ed3\u675f\u540e\u6062\u590d\u8be5\u5bc4\u5b58\u5668\u5185\u5bb9\u3002<\/p>\n
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_io_cli:    ; void io_cli(void);    ; \u5173\u95ed\u6240\u6709\u53ef\u5c4f\u853d\u4e2d\u65ad\n    CLI\n    RET\n\n_io_out8:   ; void io_out8(int port, int data);     ; \u5c068\u4f4d\u7684data\u8f93\u51fa\u5230port\u7aef\u53e3\n    MOV     EDX,[ESP+4]     ; port\n    MOV     AL,[ESP+8]      ; data\n    OUT     DX,AL\n    RET\n\n<\/code><\/pre>\n
\/* \u8bbe\u7f6e\u8c03\u8272\u677f\u51fd\u6570 *\/\nvoid set_palette(int start, int end, unsigned char *rgb)\n{\n int i, eflags;\n eflags = io_load_eflags(); \/* \u4fdd\u5b58eflags\u7684\u503c *\/\n io_cli(); \/* \u5173\u95ed\u6240\u6709\u53ef\u5c4f\u853d\u4e2d\u65ad *\/\n io_out8(0x03c8, start);\n for (i = start; i <= end; i++)\n {\n  io_out8(0x03c9, rgb[0] \/ 4);\n  io_out8(0x03c9, rgb[1] \/ 4);\n  io_out8(0x03c9, rgb[2] \/ 4);\n  rgb += 3;\n }\n io_store_eflags(eflags); \/* \u6062\u590deflags\u7684\u503c *\/\n return;\n}\n<\/code><\/pre>\n
\u5728\u8fd9\u91cc\u7531CPU\u5411\u5916\u90e8\u8bbe\u5907\u53d1\u9001\u6307\u5b9a\u547d\u4ee4\u8bbe\u5b9a\u8c03\u8272\u677f\u529f\u80fd\u3002<\/p>\n
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\u5e8f\u53f7<\/th>\n\u989c\u8272<\/th>\n<\/tr>\n<\/thead>\n
0<\/td>\n\u9ed1<\/td>\n<\/tr>\n
1<\/td>\n\u4eae\u7ea2<\/td>\n<\/tr>\n
2<\/td>\n\u4eae\u7eff<\/td>\n<\/tr>\n
3<\/td>\n\u4eae\u9ec4<\/td>\n<\/tr>\n
4<\/td>\n\u4eae\u84dd<\/td>\n<\/tr>\n
5<\/td>\n\u4eae\u7d2b<\/td>\n<\/tr>\n
6<\/td>\n\u6d45\u4eae\u84dd<\/td>\n<\/tr>\n
7<\/td>\n\u767d<\/td>\n<\/tr>\n
8<\/td>\n\u4eae\u7070<\/td>\n<\/tr>\n
9<\/td>\n\u6697\u7ea2<\/td>\n<\/tr>\n
10<\/td>\n\u6697\u7eff<\/td>\n<\/tr>\n
11<\/td>\n\u6697\u9ec4<\/td>\n<\/tr>\n
12<\/td>\n\u6697\u9752<\/td>\n<\/tr>\n
13<\/td>\n\u6697\u7d2b<\/td>\n<\/tr>\n
14<\/td>\n\u6d45\u6697\u84dd<\/td>\n<\/tr>\n
15<\/td>\n\u6697\u7070<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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\n
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 static char cursor[16][16] =\n {\n  \"**..............\",\n  \"*O*.............\",\n  \"*OO*............\",\n  \"*OOO*...........\",\n  \"*OOOO*..........\",\n  \"*OOOOO*.........\",\n  \"*OOOOOO*........\",\n  \"*OOOOOOO*.......\",\n  \"*OOOOOOOO*......\",\n  \"*OOOOOOOOO*.....\",\n  \"*OOOO******.....\",\n  \"*OOO*...........\",\n  \"*OO*............\",\n  \"*O*.............\",\n  \"**..............\",\n  \"................\"\n };\n<\/code><\/pre>\n
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\u800c\u7a97\u53e3\u9ed8\u8ba4\u56fe\u5f62\u7684\u7ed8\u5236\uff0c\u548c\u4e00\u822c\u56fe\u5f62\u7684\u7ed8\u5236\u7c7b\u4f3c\u3002\u4e3b\u8981\u5206\u6210\u56db\u6b65\uff1a\u7b2c\u4e00\u7ed8\u5236\u51fa\u7a97\u4f53\u77e9\u5f62\uff0c\u7b2c\u4e8c\u7ed8\u5236\u51fa\u5de5\u4f5c\u533a\u77e9\u5f62\uff0c\u7b2c\u4e09\u7ed8\u5236\u51fa\u7a97\u53e3\u6807\u9898\uff0c\u6700\u540e\u7ed8\u5236\u51fa\u5173\u95ed\u6309\u94ae\u3002<\/p>\n
\u524d\u4e24\u6b65\u8c03\u7528\u77e9\u5f62\u7684\u7ed8\u5236\u51fd\u6570\uff0c\u7b2c\u4e09\u6b65\u8c03\u7528\u5b57\u7b26\u4e32\u7684\u663e\u793a\u51fd\u6570\u3002
\n\u5173\u95ed\u6309\u94ae\u7684\u7ed8\u5236\u4e0e\u9f20\u6807\u7684\u7ed8\u5236\u7c7b\u4f3c\u3002<\/p>\n
  \/\/ \u8fd9\u4e2a\u6570\u7ec4\u5b9a\u4e49\u7684\u662f\u7a97\u53e3\u53f3\u4e0a\u89d2\u90a3\u4e2a\u53c9\u53c9\u56fe\u5f62\n static char closebtn[13][20] =\n {\n  \"QQQQQQQQQQQQQQQQQQQQ\",\n  \"QQQQQQQQQQQQQQQQQQQQ\",\n  \"QQQQQQQQQQQQQQQQQQQQ\",\n  \"QQQQQQ@@QQQQ@@QQQQQQ\",\n  \"QQQQQQQ@@QQ@@QQQQQQQ\",\n  \"QQQQQQQQ@@@@QQQQQQQQ\",\n  \"QQQQQQQQQ@@QQQQQQQQQ\",\n  \"QQQQQQQQ@@@@QQQQQQQQ\",\n  \"QQQQQQQ@@QQ@@QQQQQQQ\",\n  \"QQQQQQ@@QQQQ@@QQQQQQ\",\n  \"QQQQQQQQQQQQQQQQQQQQ\",\n  \"QQQQQQQQQQQQQQQQQQQQ\",\n  \"QQQQQQQQQQQQQQQQQQQQ\"\n };\n<\/code><\/pre>\n
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\u6bcf\u4e00\u4e2a\u7a97\u53e3\uff0c\u5c31\u76f8\u5f53\u4e0ephotoshop\u91cc\u7684\u5404\u79cd\u56fe\u5c42\u76f8\u4e92\u91cd\u53e0\uff0c\u6709\u56fe\u5c42\u7ba1\u7406\u51fd\u6570\u8ba1\u7b97\u51fa\u6765\u6700\u7ec8\u7684\u663e\u793a\u7684\u6837\u5b50\uff0c\u5199\u5230\u663e\u5b58\u4e2d\u3002<\/p>\n
\u663e\u793a\u7684\u6837\u5b50\u5927\u6982\u662f:<\/p>\n
\"image\"<\/p>\n","protected":false},"excerpt":{"rendered":"
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