\u7b2c\u4e03\u7ae0 \u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u7684\u65b9\u6cd5 – \u6c47\u7f16\u8bed\u8a00\u63d0\u7eb2<\/title>\n <style>\n #asm-wrapper {\n all: initial;\n display: block;\n width: 100%;\n min-height: 100vh;\n margin: 0;\n padding: 30px 25px;\n box-sizing: border-box;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, \"Microsoft YaHei\", sans-serif !important;\n line-height: 1.8;\n background: linear-gradient(180deg, #d4ecf7 0%, #a8e6cf 50%, #88d8b0 100%) !important;\n color: #2c3e50 !important;\n }\n #asm-wrapper * { box-sizing: border-box; margin: 0; padding: 0; }\n #asm-wrapper h1 { text-align: center; color: #1a5276 !important; font-size: 1.8em; border-bottom: 3px solid #27ae60 !important; padding-bottom: 15px; }\n #asm-wrapper h2 { color: #1e8449 !important; border-left: 4px solid #27ae60 !important; padding-left: 15px; margin-top: 30px; }\n #asm-wrapper h3 { color: #196f3d !important; margin-top: 20px; }\n #asm-wrapper p { margin: 10px 0; }\n #asm-wrapper ul, #asm-wrapper ol { margin: 10px 0; padding-left: 25px; }\n #asm-wrapper li { margin: 5px 0; }\n #asm-wrapper strong { color: #e74c3c !important; font-weight: 700 !important; }\n #asm-wrapper pre { background: #1e3d2f !important; color: #a8e6cf !important; padding: 15px 20px; border-radius: 8px; overflow-x: auto; font-size: 0.85em; line-height: 1.6; margin: 15px 0; border: 2px solid #27ae60; box-shadow: 0 4px 12px rgba(0,0,0,0.2); }\n #asm-wrapper pre code { background: none !important; padding: 0; color: inherit !important; border: none; }\n #asm-wrapper table { width: 100%; border-collapse: collapse; margin: 15px 0; font-size: 0.9em; }\n #asm-wrapper th, #asm-wrapper td { border: 1px solid #7f8c8d; padding: 10px 12px; text-align: left; }\n #asm-wrapper th { background: #27ae60 !important; color: white !important; }\n #asm-wrapper tr:nth-child(even) { background: #d5f5e3 !important; }\n #asm-wrapper img { max-width: 100%; height: auto; display: block; margin: 25px 0; padding: 15px; background: white !important; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.15); border: 2px solid #27ae60; }\n #asm-wrapper hr { border: none; border-top: 2px dashed #27ae60; margin: 30px 0; }\n<\/style>\n<\/head>\n<body>\n <div id=\"asm-wrapper\">\n <h1>\u7b2c\u4e03\u7ae0 \u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u7684\u65b9\u6cd5<\/h1>\n \u7b2c\u4e03\u7ae0 <\/strong>\u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u5730\u5740\u7684\u65b9\u6cd5<\/strong><\/strong><\/p>\n7.1 and\u548cor\u6307\u4ee4<\/p>\n1.and\u903b\u8f91\u4e0e<\/strong>\u6307\u4ee4:\u6309\u4f4d\u8fdb\u884c\u4e0e\u8fd0\u7b97,\u683c\u5f0f\uff1a<\/p>\n<pre><code>and \u8981\u4fdd\u5b58\u5230\u7684\u5bc4\u5b58\u5668,\u64cd\u4f5c\u503c<\/code><\/pre>\n\u5982and al,01110110B\u8868\u793a\u5c06al\u4e2d\u7684\u5185\u5bb9\u4e0e01110110B\u6309\u4f4d\u4e0e\uff0c\u5e76\u4fdd\u5b58\u5728al\u4e2d<\/p>\n\u7531\u4e8e<img decoding=\"async\" width=\"71\" height=\"43\" src=\"http:\/\/8.129.82.128\/wp-content\/uploads\/2026\/03\/asm202405\u7248\u63d0\u7eb222030.png\" >,\u5c31\u53ef\u4ee5\u7528\u8be5\u6307\u4ee4\u5c06\u5bf9\u5e94\u4f4d\u8bbe\u4e3a0(\u5173\u95ed\u4f4d).\u5728\u7ed9\u5b9a\u64cd\u4f5c\u503c(\u6709\u65f6\u4e5f\u53eb\u63a9\u7801)\u65f6,\u5c06\u8981\u8bbe\u5b9a\u4e3a0\u7684\u4f4d\u586b0\uff0c\u4fdd\u6301\u4e0d\u53d8\u7684\u4f4d\u586b1\u3002<\/strong><\/p>\n<pre><code>\u5982\u5c06al\u7684\u7b2c0\u4f4d\u8bbe\u4e3a0 and al,11111110B<\/code><\/pre>\n<![if !supportLists]>2. <![endif]>or\u903b\u8f91\u6216<\/strong>\u6307\u4ee4:\u6309\u4f4d\u8fdb\u884c\u6216\u8fd0\u7b97,\u683c\u5f0f:<\/p>\n<pre><code>or \u8981\u4fdd\u5b58\u5230\u7684\u5bc4\u5b58\u5668,\u64cd\u4f5c\u503c<\/code><\/pre>\n\u7528\u6cd5\u4e0eand\u5dee\u4e0d\u591a,\u4f46\u7528\u4e8e\u8bbe\u7f6e\u5bf9\u5e94\u4f4d\u4e3a1(\u6253\u5f00\u4f4d),\u5176\u4ed6\u4e3a\u4e0d\u53d8\u3002<\/p>\n\u7531\u4e8e<img decoding=\"async\" width=\"74\" height=\"43\" src=\"http:\/\/8.129.82.128\/wp-content\/uploads\/2026\/03\/asm202405\u7248\u63d0\u7eb222215.png\" >,\u5728\u7ed9\u5b9a\u64cd\u4f5c\u7684\u503c\u65f6\u4fdd\u6301\u4e0d\u53d8\u7684\u4f4d\u586b0\uff0c\u8981\u6253\u5f00\u7684\u4f4d\u586b1<\/strong><\/p>\n7.2\u5173\u4e8eASCII\u7801<\/p>\n\u5de5\u4f5c\u5728\u6587\u672c\u6a21\u5f0f\u4e0b\u7684\u663e\u5361\u7528ASCII\u7801\u7684\u89c4\u5219\u89e3\u91ca\u663e\u5b58\u4e2d\u7684\u5185\u5bb9<\/u><\/p>\n7.3~7.4\u5904\u7406\u5927\u5c0f\u5199<\/p>\n<pre><code><![if !supportLists]>1. <![endif]>\u5728\u6e90\u7a0b\u5e8f\u4e2d,\u7528'......'\u7684\u65b9\u5f0f\u6307\u540d\u6570\u636e\u4ee5\u5b57\u7b26\u7684\u5f62\u5f0f\u7ed9\u51fa<\/code><\/pre>\n\u6ce8\u610f:\u4e00\u4e2a\u5b57\u7b26\u53601Byte(\u6c49\u5b572Byte,ASCII\u5b57\u7b26\u53601Byte)\uff0c\u5e94\u8be5\u7528db\u6765\u5b9a\u4e49\u5b57\u7b26(\u4e32)\u5e38\u91cf\u3002<\/p>\n<![if !supportLists]>2. <![endif]>\u5927\u5c0f\u5199\u5b57\u6bcd\u7684ASCII\u503c\u7684\u89c4\u5f8b:<\/p>\n\u5927\u5199\u5b57\u6bcd+20H=\u5c0f\u5199\u5b57\u6bcd\uff0c\u5c0f\u5199\u5b57\u6bcd-20H=\u5927\u5199\u5b57\u6bcd<\/strong><\/strong><\/p>\n\u5927\u5199\u5b57\u6bcdASCII\u7801\u7b2c5\u4f4d\u4e3a0\uff0c\u5c0f\u5199\u5b57\u6bcd\u7b2c5\u4f4d\u4e3a1\uff0c\u5219<\/strong><\/strong><\/p>\n<pre><code>\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd<\/strong>and al,11011111B<\/strong><\/strong>\n\u8f6c\u6362\u4e3a\u5c0f\u5199\u5b57\u6bcd<\/strong>or al,00100000B<\/strong><\/strong><\/code><\/pre>\n7.5[bx+idata]\u30017.6\u7528[bx+idata]\u7684\u65b9\u5f0f\u8fdb\u884c\u6570\u7ec4\u7684\u5904\u7406<\/p>\n1.[bx+idata]<\/strong>\u8868\u660e\u4e00\u4e2a\u5185\u5b58\u5355\u5143\u504f\u79fb\u5730\u5740\u4e3a(bx)+idata,\u6bb5\u5bc4\u5b58\u5668\u4e3ads<\/p>\n\u5176\u4ed6\u5f62\u5f0f:[idata+bx]<\/strong><\/strong><\/p>\nidata[bx]<\/strong><\/strong><\/p>\n[bx].idtata<\/strong><\/strong><\/p>\n2.\u5b9e\u4f8b\u5e94\u7528:\u5c06datasg\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u8f6c\u5316\u4e3a\u5927\u5199,\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u8f6c\u5316\u4e3a\u5c0f\u5199<\/p>\nProgram 7-1-1 Assembly Language Version<\/p>\n<pre><code>assume cs:codesg,ds:datasg\ndatasg segment\ndb 'BaSiC'\ndb 'MinIX'\ndatasg ends\ncodesg segment\nstart:\nmov ax,datasg\nmov da,ax\nmov bx,0\nmov cx,5\ns:mov al,0[bx]\nand al,11011111B\nmov 0[bx],al\nmov al,5[bx]\nor al,00100000b\nmov 5[bx],al\ninc bx\nloop s\nmov ax,4c00h\nint 21h\ncodesg ends\nend start\nProgram 7-1-2 C\/C++ Version\nchar a[5]=\"BaSiC\";\nchar b[5]=\"MinIX\";\nint main(void)\n{\nint i=0;\ndo\n{\n a[i]&=0xDF;\n b[i]|=0x20;\n i++;\n}while(i<5);\n}<\/code><\/pre>\n7.7 SI\u548cDI 7.8 [bx+si]\u548c[bx+di] 7.9[bx+si+idata]\u548c[bx+di+idata]<\/p>\nSI\u4e3a\u6e90\u53d8\u5740\u5bc4\u5b58\u5668<\/strong>,DI\u4e3a\u76ee\u6807\u53d8\u5740\u5bc4\u5b58\u5668<\/strong><\/p>\nSI\u548cDI\u4e0ebx\u529f\u80fd\u548c\u7528\u6cd5\u76f8\u8fd1\uff0c\u4f46\u4e0d\u80fd\u5206\u4e3a\u4e24\u4e2a8\u4f4d\u5bc4\u5b58\u5668\u4f7f\u7528<\/p>\n\u4f7f\u7528\u65f6\u6bb5\u5730\u5740\u9ed8\u8ba4\u5728ds\u4e2d<\/p>\n\u7528\u6cd51: [SI] [DI] [SI+idata] [DI+idata]<\/strong><\/p>\n\u7528\u6cd52:[bx+si] [bx+di]<\/strong><\/p>\n\u8be5\u7528\u6cd5\u5c06\u4e24\u4e2a\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e\u76f8\u52a0\uff0c\u5f97\u5230\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5355\u5143\u3002\u8be5\u7528\u6cd5\u7684\u5176\u4ed6\u683c\u5f0f:<\/p>\n[bx][si] [bx][di]<\/strong><\/strong><\/p>\n\u7528\u6cd53:[bx+si+idata] [bx+di+idata]<\/strong><\/p>\n\u8be5\u7528\u6cd5\u5c06\u4e24\u4e2a\u5bc4\u5b58\u5668\u548c\u4e00\u4e2a\u5e38\u6570\u76f8\u52a0\uff0c\u5f97\u5230\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5355\u5143\u3002\u8be5\u7528\u6cd5\u7684\u5176\u4ed6\u683c\u5f0f:<\/p>\n[bx+idata+si] [idata+bx+si] idata[bx][si] [bx].idata[si] [bx][si].idata<\/strong><\/strong><\/p>\n7.10 \u4e0d\u540c\u5bfb\u5740\u65b9\u5f0f\u7684\u7075\u6d3b\u8fd0\u7528<\/p>\n<![if !supportLists]>1. <![endif]>\u4e00\u822c\u6765\u8bf4\uff0c\u5728\u9700\u8981\u6682\u5b58\u6570\u636e\u65f6\uff0c\u90fd\u8981\u4f7f\u6808<\/strong><\/strong><\/p>\n2.\u591a\u5c42\u5faa\u73af\u8ba1\u6570\u95ee\u9898:<\/p>\n\u5728\u5916\u5c42\u5faa\u73af\u4e4b\u524d\u8bbe\u7f6ecx\u7684\u503c,\u5728\u6267\u884c\u5916\u5c42\u5faa\u73af\u65f6\u5c06cx\u7684\u503c\u538b\u5165\u6808\u4e2d,\u8fdb\u5165\u5185\u5c42\u5faa\u73af,\u8bbe\u7f6ecx\uff0c\u6267\u884c\u5185\u5c42\u5faa\u73af,\u7ed3\u675f\u5185\u5c42\u5faa\u73af\u540e\u5f39\u51facx\u539f\u5148\u5728\u6808\u4e2d\u4fdd\u5b58\u7684\u503c,\u6267\u884c\u5916\u5c42\u7684\u5faa\u73af\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/strong><\/strong><\/p>\n\u7ed3\u6784:<\/p>\n<pre><code>mov cx,first_loop<\/strong>;\u8bbe\u7f6e\u5916\u5c42\u5faa\u73af\u6b21\u6570<\/strong><\/strong>\ns0:push cx<\/strong>;\u5c06\u5916\u5c42\u5faa\u73af\u6b21\u6570\u7528\u6808\u5b58\u50a8<\/strong><\/strong>\nmov cx,second_loop<\/strong>;\u8bbe\u7f6e\u5185\u5c42\u5faa\u73af\u6b21\u6570<\/strong><\/strong>\ns:<\/strong><\/strong>\n......<\/strong><\/strong>\nloop s<\/strong><\/strong>\npop cx<\/strong>;\u6062\u590d\u5916\u5c42\u5faa\u73af\u7684\u8ba1\u6570<\/strong><\/strong>\nloop s0<\/strong><\/strong><\/code><\/pre>\n\u5b9e\u9a8c6 \u5b9e\u8df5\u8bfe\u7a0b\u4e2d\u7684\u7a0b\u5e8f<\/p>\n\u7f16\u7a0b\uff0c\u5c06datasg\u6bb5\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u7684\u524d4\u4e2a\u5b57\u6bcd\u6539\u4e3a\u5927\u5199\u5b57\u6bcd\u3002\uff09<\/p>\n<pre><code>Program ex-6-0\nassume cs:<\/strong>codesg,ds:<\/strong>datasg,ss:<\/strong>stacksg datasg segment db '<\/strong>1. display '<\/strong> <\/strong> db '<\/strong>2. brows '<\/strong> <\/strong> db '<\/strong>3. replace '<\/strong> <\/strong> db '<\/strong>4. modify '<\/strong> <\/strong>datasg ends stacksg segment dw 0,0,0,0,0,0,0,0 stacksg ends codesg segment start:<\/strong> <\/strong> mov<\/strong> ax,datasg mov<\/strong> ds,ax ;ds=datasg<\/i><\/strong> <\/i><\/strong> mov<\/strong> ax,stacksg mov<\/strong> ss,ax ;ss=stacksg<\/i><\/strong> <\/i> mov<\/strong> sp,16 ;sp\u4e3a\u6808\u9876,\u8fd9\u91cc\u6808\u670916\u5b57\u8282<\/i><\/strong> <\/i> mov<\/strong> cx,4 mov<\/strong> bx,0 <\/strong>;\u521d\u59cb\u4e3a0\uff0c\u9010\u6b21\u52a016<\/i><\/strong> <\/i>s:<\/strong> push<\/strong> cx ;\u5907\u4efdcx cx=\u5916\u5c42\u5faa\u73af\u8ba1\u6570<\/i><\/strong> <\/i> mov<\/strong> cx,4 ;cx=\u5185\u5c42\u5faa\u73af\u8ba1\u6570<\/i><\/strong> <\/i><\/strong> mov<\/strong> si,0 s0:<\/strong> mov<\/strong> al,[bx+<\/strong>si+<\/strong>3] and<\/strong> al,11011111b mov<\/strong> [bx+<\/strong>si+<\/strong>3],al ;al &=11011111b<\/i><\/strong> <\/i><\/strong> inc<\/strong> si loop<\/strong> s0 ;\u5b57\u7b26\u4e32\u53ef\u770b\u4f5c\u6570\u7ec4 char strs[][]<\/i><\/strong> <\/i><\/strong> <\/strong>;bx\u4e3a\u6307\u5411\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u6307\u9488<\/i><\/strong> <\/i><\/strong> <\/strong>;si\u4e3a\u6307\u5411\u6bcf\u4e2a\u5b57\u7b26\u7684\u6307\u9488<\/i><\/strong> <\/i><\/strong> pop<\/strong> cx <\/strong>;\u6062\u590d\u5916\u5c42\u7684cx<\/i><\/strong> <\/i><\/strong> add<\/strong> bx,16 loop<\/strong> s mov<\/strong> ax,4c00h int<\/strong> 21h codesg ends end start<\/code><\/pre>\n\n <\/div>\n<\/body>\n<\/html>\n\n","protected":false},"excerpt":{"rendered":"\u7b2c\u4e03\u7ae0 \u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u7684\u65b9\u6cd5 &#82 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[18,9,8],"tags":[],"class_list":["post-498","post","type-post","status-publish","format-standard","hentry","category-assembly","category-9","category-8"],"_links":{"self":[{"href":"http:\/\/8.129.82.128\/index.php?rest_route=\/wp\/v2\/posts\/498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/8.129.82.128\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.129.82.128\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.129.82.128\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.129.82.128\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=498"}],"version-history":[{"count":1,"href":"http:\/\/8.129.82.128\/index.php?rest_route=\/wp\/v2\/posts\/498\/revisions"}],"predecessor-version":[{"id":499,"href":"http:\/\/8.129.82.128\/index.php?rest_route=\/wp\/v2\/posts\/498\/revisions\/499"}],"wp:attachment":[{"href":"http:\/\/8.129.82.128\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.129.82.128\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=498"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.129.82.128\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":498,"date":"2026-03-07T19:55:05","date_gmt":"2026-03-07T11:55:05","guid":{"rendered":"http:\/\/8.129.82.128\/?p=498"},"modified":"2026-03-07T19:55:05","modified_gmt":"2026-03-07T11:55:05","slug":"8086%e6%b1%87%e7%bc%967","status":"publish","type":"post","link":"http:\/\/8.129.82.128\/?p=498","title":{"rendered":"8086\u6c47\u7f16#7"},"content":{"rendered":"\n\n\n\n \n \n \u7b2c\u4e03\u7ae0 \u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u7684\u65b9\u6cd5 – \u6c47\u7f16\u8bed\u8a00\u63d0\u7eb2<\/title>\n <style>\n #asm-wrapper {\n all: initial;\n display: block;\n width: 100%;\n min-height: 100vh;\n margin: 0;\n padding: 30px 25px;\n box-sizing: border-box;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, \"Microsoft YaHei\", sans-serif !important;\n line-height: 1.8;\n background: linear-gradient(180deg, #d4ecf7 0%, #a8e6cf 50%, #88d8b0 100%) !important;\n color: #2c3e50 !important;\n }\n #asm-wrapper * { box-sizing: border-box; margin: 0; padding: 0; }\n #asm-wrapper h1 { text-align: center; color: #1a5276 !important; font-size: 1.8em; border-bottom: 3px solid #27ae60 !important; padding-bottom: 15px; }\n #asm-wrapper h2 { color: #1e8449 !important; border-left: 4px solid #27ae60 !important; padding-left: 15px; margin-top: 30px; }\n #asm-wrapper h3 { color: #196f3d !important; margin-top: 20px; }\n #asm-wrapper p { margin: 10px 0; }\n #asm-wrapper ul, #asm-wrapper ol { margin: 10px 0; padding-left: 25px; }\n #asm-wrapper li { margin: 5px 0; }\n #asm-wrapper strong { color: #e74c3c !important; font-weight: 700 !important; }\n #asm-wrapper pre { background: #1e3d2f !important; color: #a8e6cf !important; padding: 15px 20px; border-radius: 8px; overflow-x: auto; font-size: 0.85em; line-height: 1.6; margin: 15px 0; border: 2px solid #27ae60; box-shadow: 0 4px 12px rgba(0,0,0,0.2); }\n #asm-wrapper pre code { background: none !important; padding: 0; color: inherit !important; border: none; }\n #asm-wrapper table { width: 100%; border-collapse: collapse; margin: 15px 0; font-size: 0.9em; }\n #asm-wrapper th, #asm-wrapper td { border: 1px solid #7f8c8d; padding: 10px 12px; text-align: left; }\n #asm-wrapper th { background: #27ae60 !important; color: white !important; }\n #asm-wrapper tr:nth-child(even) { background: #d5f5e3 !important; }\n #asm-wrapper img { max-width: 100%; height: auto; display: block; margin: 25px 0; padding: 15px; background: white !important; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.15); border: 2px solid #27ae60; }\n #asm-wrapper hr { border: none; border-top: 2px dashed #27ae60; margin: 30px 0; }\n<\/style>\n<\/head>\n<body>\n <div id=\"asm-wrapper\">\n <h1>\u7b2c\u4e03\u7ae0 \u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u7684\u65b9\u6cd5<\/h1>\n \u7b2c\u4e03\u7ae0 <\/strong>\u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u5730\u5740\u7684\u65b9\u6cd5<\/strong><\/strong><\/p>\n7.1 and\u548cor\u6307\u4ee4<\/p>\n1.and\u903b\u8f91\u4e0e<\/strong>\u6307\u4ee4:\u6309\u4f4d\u8fdb\u884c\u4e0e\u8fd0\u7b97,\u683c\u5f0f\uff1a<\/p>\n<pre><code>and \u8981\u4fdd\u5b58\u5230\u7684\u5bc4\u5b58\u5668,\u64cd\u4f5c\u503c<\/code><\/pre>\n\u5982and al,01110110B\u8868\u793a\u5c06al\u4e2d\u7684\u5185\u5bb9\u4e0e01110110B\u6309\u4f4d\u4e0e\uff0c\u5e76\u4fdd\u5b58\u5728al\u4e2d<\/p>\n\u7531\u4e8e<img decoding=\"async\" width=\"71\" height=\"43\" src=\"http:\/\/8.129.82.128\/wp-content\/uploads\/2026\/03\/asm202405\u7248\u63d0\u7eb222030.png\" >,\u5c31\u53ef\u4ee5\u7528\u8be5\u6307\u4ee4\u5c06\u5bf9\u5e94\u4f4d\u8bbe\u4e3a0(\u5173\u95ed\u4f4d).\u5728\u7ed9\u5b9a\u64cd\u4f5c\u503c(\u6709\u65f6\u4e5f\u53eb\u63a9\u7801)\u65f6,\u5c06\u8981\u8bbe\u5b9a\u4e3a0\u7684\u4f4d\u586b0\uff0c\u4fdd\u6301\u4e0d\u53d8\u7684\u4f4d\u586b1\u3002<\/strong><\/p>\n<pre><code>\u5982\u5c06al\u7684\u7b2c0\u4f4d\u8bbe\u4e3a0 and al,11111110B<\/code><\/pre>\n<![if !supportLists]>2. <![endif]>or\u903b\u8f91\u6216<\/strong>\u6307\u4ee4:\u6309\u4f4d\u8fdb\u884c\u6216\u8fd0\u7b97,\u683c\u5f0f:<\/p>\n<pre><code>or \u8981\u4fdd\u5b58\u5230\u7684\u5bc4\u5b58\u5668,\u64cd\u4f5c\u503c<\/code><\/pre>\n\u7528\u6cd5\u4e0eand\u5dee\u4e0d\u591a,\u4f46\u7528\u4e8e\u8bbe\u7f6e\u5bf9\u5e94\u4f4d\u4e3a1(\u6253\u5f00\u4f4d),\u5176\u4ed6\u4e3a\u4e0d\u53d8\u3002<\/p>\n\u7531\u4e8e<img decoding=\"async\" width=\"74\" height=\"43\" src=\"http:\/\/8.129.82.128\/wp-content\/uploads\/2026\/03\/asm202405\u7248\u63d0\u7eb222215.png\" >,\u5728\u7ed9\u5b9a\u64cd\u4f5c\u7684\u503c\u65f6\u4fdd\u6301\u4e0d\u53d8\u7684\u4f4d\u586b0\uff0c\u8981\u6253\u5f00\u7684\u4f4d\u586b1<\/strong><\/p>\n7.2\u5173\u4e8eASCII\u7801<\/p>\n\u5de5\u4f5c\u5728\u6587\u672c\u6a21\u5f0f\u4e0b\u7684\u663e\u5361\u7528ASCII\u7801\u7684\u89c4\u5219\u89e3\u91ca\u663e\u5b58\u4e2d\u7684\u5185\u5bb9<\/u><\/p>\n7.3~7.4\u5904\u7406\u5927\u5c0f\u5199<\/p>\n<pre><code><![if !supportLists]>1. <![endif]>\u5728\u6e90\u7a0b\u5e8f\u4e2d,\u7528'......'\u7684\u65b9\u5f0f\u6307\u540d\u6570\u636e\u4ee5\u5b57\u7b26\u7684\u5f62\u5f0f\u7ed9\u51fa<\/code><\/pre>\n\u6ce8\u610f:\u4e00\u4e2a\u5b57\u7b26\u53601Byte(\u6c49\u5b572Byte,ASCII\u5b57\u7b26\u53601Byte)\uff0c\u5e94\u8be5\u7528db\u6765\u5b9a\u4e49\u5b57\u7b26(\u4e32)\u5e38\u91cf\u3002<\/p>\n<![if !supportLists]>2. <![endif]>\u5927\u5c0f\u5199\u5b57\u6bcd\u7684ASCII\u503c\u7684\u89c4\u5f8b:<\/p>\n\u5927\u5199\u5b57\u6bcd+20H=\u5c0f\u5199\u5b57\u6bcd\uff0c\u5c0f\u5199\u5b57\u6bcd-20H=\u5927\u5199\u5b57\u6bcd<\/strong><\/strong><\/p>\n\u5927\u5199\u5b57\u6bcdASCII\u7801\u7b2c5\u4f4d\u4e3a0\uff0c\u5c0f\u5199\u5b57\u6bcd\u7b2c5\u4f4d\u4e3a1\uff0c\u5219<\/strong><\/strong><\/p>\n<pre><code>\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd<\/strong>and al,11011111B<\/strong><\/strong>\n\u8f6c\u6362\u4e3a\u5c0f\u5199\u5b57\u6bcd<\/strong>or al,00100000B<\/strong><\/strong><\/code><\/pre>\n7.5[bx+idata]\u30017.6\u7528[bx+idata]\u7684\u65b9\u5f0f\u8fdb\u884c\u6570\u7ec4\u7684\u5904\u7406<\/p>\n1.[bx+idata]<\/strong>\u8868\u660e\u4e00\u4e2a\u5185\u5b58\u5355\u5143\u504f\u79fb\u5730\u5740\u4e3a(bx)+idata,\u6bb5\u5bc4\u5b58\u5668\u4e3ads<\/p>\n\u5176\u4ed6\u5f62\u5f0f:[idata+bx]<\/strong><\/strong><\/p>\nidata[bx]<\/strong><\/strong><\/p>\n[bx].idtata<\/strong><\/strong><\/p>\n2.\u5b9e\u4f8b\u5e94\u7528:\u5c06datasg\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u8f6c\u5316\u4e3a\u5927\u5199,\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u8f6c\u5316\u4e3a\u5c0f\u5199<\/p>\nProgram 7-1-1 Assembly Language Version<\/p>\n<pre><code>assume cs:codesg,ds:datasg\ndatasg segment\ndb 'BaSiC'\ndb 'MinIX'\ndatasg ends\ncodesg segment\nstart:\nmov ax,datasg\nmov da,ax\nmov bx,0\nmov cx,5\ns:mov al,0[bx]\nand al,11011111B\nmov 0[bx],al\nmov al,5[bx]\nor al,00100000b\nmov 5[bx],al\ninc bx\nloop s\nmov ax,4c00h\nint 21h\ncodesg ends\nend start\nProgram 7-1-2 C\/C++ Version\nchar a[5]=\"BaSiC\";\nchar b[5]=\"MinIX\";\nint main(void)\n{\nint i=0;\ndo\n{\n a[i]&=0xDF;\n b[i]|=0x20;\n i++;\n}while(i<5);\n}<\/code><\/pre>\n7.7 SI\u548cDI 7.8 [bx+si]\u548c[bx+di] 7.9[bx+si+idata]\u548c[bx+di+idata]<\/p>\nSI\u4e3a\u6e90\u53d8\u5740\u5bc4\u5b58\u5668<\/strong>,DI\u4e3a\u76ee\u6807\u53d8\u5740\u5bc4\u5b58\u5668<\/strong><\/p>\nSI\u548cDI\u4e0ebx\u529f\u80fd\u548c\u7528\u6cd5\u76f8\u8fd1\uff0c\u4f46\u4e0d\u80fd\u5206\u4e3a\u4e24\u4e2a8\u4f4d\u5bc4\u5b58\u5668\u4f7f\u7528<\/p>\n\u4f7f\u7528\u65f6\u6bb5\u5730\u5740\u9ed8\u8ba4\u5728ds\u4e2d<\/p>\n\u7528\u6cd51: [SI] [DI] [SI+idata] [DI+idata]<\/strong><\/p>\n\u7528\u6cd52:[bx+si] [bx+di]<\/strong><\/p>\n\u8be5\u7528\u6cd5\u5c06\u4e24\u4e2a\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e\u76f8\u52a0\uff0c\u5f97\u5230\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5355\u5143\u3002\u8be5\u7528\u6cd5\u7684\u5176\u4ed6\u683c\u5f0f:<\/p>\n[bx][si] [bx][di]<\/strong><\/strong><\/p>\n\u7528\u6cd53:[bx+si+idata] [bx+di+idata]<\/strong><\/p>\n\u8be5\u7528\u6cd5\u5c06\u4e24\u4e2a\u5bc4\u5b58\u5668\u548c\u4e00\u4e2a\u5e38\u6570\u76f8\u52a0\uff0c\u5f97\u5230\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5355\u5143\u3002\u8be5\u7528\u6cd5\u7684\u5176\u4ed6\u683c\u5f0f:<\/p>\n[bx+idata+si] [idata+bx+si] idata[bx][si] [bx].idata[si] [bx][si].idata<\/strong><\/strong><\/p>\n7.10 \u4e0d\u540c\u5bfb\u5740\u65b9\u5f0f\u7684\u7075\u6d3b\u8fd0\u7528<\/p>\n<![if !supportLists]>1. <![endif]>\u4e00\u822c\u6765\u8bf4\uff0c\u5728\u9700\u8981\u6682\u5b58\u6570\u636e\u65f6\uff0c\u90fd\u8981\u4f7f\u6808<\/strong><\/strong><\/p>\n2.\u591a\u5c42\u5faa\u73af\u8ba1\u6570\u95ee\u9898:<\/p>\n\u5728\u5916\u5c42\u5faa\u73af\u4e4b\u524d\u8bbe\u7f6ecx\u7684\u503c,\u5728\u6267\u884c\u5916\u5c42\u5faa\u73af\u65f6\u5c06cx\u7684\u503c\u538b\u5165\u6808\u4e2d,\u8fdb\u5165\u5185\u5c42\u5faa\u73af,\u8bbe\u7f6ecx\uff0c\u6267\u884c\u5185\u5c42\u5faa\u73af,\u7ed3\u675f\u5185\u5c42\u5faa\u73af\u540e\u5f39\u51facx\u539f\u5148\u5728\u6808\u4e2d\u4fdd\u5b58\u7684\u503c,\u6267\u884c\u5916\u5c42\u7684\u5faa\u73af\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/strong><\/strong><\/p>\n\u7ed3\u6784:<\/p>\n<pre><code>mov cx,first_loop<\/strong>;\u8bbe\u7f6e\u5916\u5c42\u5faa\u73af\u6b21\u6570<\/strong><\/strong>\ns0:push cx<\/strong>;\u5c06\u5916\u5c42\u5faa\u73af\u6b21\u6570\u7528\u6808\u5b58\u50a8<\/strong><\/strong>\nmov cx,second_loop<\/strong>;\u8bbe\u7f6e\u5185\u5c42\u5faa\u73af\u6b21\u6570<\/strong><\/strong>\ns:<\/strong><\/strong>\n......<\/strong><\/strong>\nloop s<\/strong><\/strong>\npop cx<\/strong>;\u6062\u590d\u5916\u5c42\u5faa\u73af\u7684\u8ba1\u6570<\/strong><\/strong>\nloop s0<\/strong><\/strong><\/code><\/pre>\n\u5b9e\u9a8c6 \u5b9e\u8df5\u8bfe\u7a0b\u4e2d\u7684\u7a0b\u5e8f<\/p>\n\u7f16\u7a0b\uff0c\u5c06datasg\u6bb5\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u7684\u524d4\u4e2a\u5b57\u6bcd\u6539\u4e3a\u5927\u5199\u5b57\u6bcd\u3002\uff09<\/p>\n<pre><code>Program ex-6-0\nassume cs:<\/strong>codesg,ds:<\/strong>datasg,ss:<\/strong>stacksg datasg segment db '<\/strong>1. display '<\/strong> <\/strong> db '<\/strong>2. brows '<\/strong> <\/strong> db '<\/strong>3. replace '<\/strong> <\/strong> db '<\/strong>4. modify '<\/strong> <\/strong>datasg ends stacksg segment dw 0,0,0,0,0,0,0,0 stacksg ends codesg segment start:<\/strong> <\/strong> mov<\/strong> ax,datasg mov<\/strong> ds,ax ;ds=datasg<\/i><\/strong> <\/i><\/strong> mov<\/strong> ax,stacksg mov<\/strong> ss,ax ;ss=stacksg<\/i><\/strong> <\/i> mov<\/strong> sp,16 ;sp\u4e3a\u6808\u9876,\u8fd9\u91cc\u6808\u670916\u5b57\u8282<\/i><\/strong> <\/i> mov<\/strong> cx,4 mov<\/strong> bx,0 <\/strong>;\u521d\u59cb\u4e3a0\uff0c\u9010\u6b21\u52a016<\/i><\/strong> <\/i>s:<\/strong> push<\/strong> cx ;\u5907\u4efdcx cx=\u5916\u5c42\u5faa\u73af\u8ba1\u6570<\/i><\/strong> <\/i> mov<\/strong> cx,4 ;cx=\u5185\u5c42\u5faa\u73af\u8ba1\u6570<\/i><\/strong> <\/i><\/strong> mov<\/strong> si,0 s0:<\/strong> mov<\/strong> al,[bx+<\/strong>si+<\/strong>3] and<\/strong> al,11011111b mov<\/strong> [bx+<\/strong>si+<\/strong>3],al ;al &=11011111b<\/i><\/strong> <\/i><\/strong> inc<\/strong> si loop<\/strong> s0 ;\u5b57\u7b26\u4e32\u53ef\u770b\u4f5c\u6570\u7ec4 char strs[][]<\/i><\/strong> <\/i><\/strong> <\/strong>;bx\u4e3a\u6307\u5411\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u6307\u9488<\/i><\/strong> <\/i><\/strong> <\/strong>;si\u4e3a\u6307\u5411\u6bcf\u4e2a\u5b57\u7b26\u7684\u6307\u9488<\/i><\/strong> <\/i><\/strong> pop<\/strong> cx <\/strong>;\u6062\u590d\u5916\u5c42\u7684cx<\/i><\/strong> <\/i><\/strong> add<\/strong> bx,16 loop<\/strong> s mov<\/strong> ax,4c00h int<\/strong> 21h codesg ends end start<\/code><\/pre>\n\n <\/div>\n<\/body>\n<\/html>\n\n","protected":false},"excerpt":{"rendered":"\u7b2c\u4e03\u7ae0 \u66f4\u7075\u6d3b\u7684\u5b9a\u4f4d\u5185\u5b58\u7684\u65b9\u6cd5 &#82 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