{"id":105,"date":"2021-07-12T23:00:37","date_gmt":"2021-07-12T15:00:37","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/hb\/?p=105"},"modified":"2021-07-12T23:28:37","modified_gmt":"2021-07-12T15:28:37","slug":"%e6%b1%87%e7%bc%96-loop%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/hb\/post-105.html","title":{"rendered":"\u6c47\u7f16 loop\u6307\u4ee4"},"content":{"rendered":"\n<p>loop\u6307\u4ee4\u4e3a\u5faa\u73af\u6307\u4ee4, \u6240\u6709\u7684\u5faa\u73af\u6307\u4ee4\u90fd\u662f\u77ed\u8f6c\u79fb, ip\u4fee\u6539\u8303\u56f4-128~127<\/p>\n\n\n\n<p>\u6307\u4ee4\u683c\u5f0f:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>loop \u6807\u53f7<\/code><\/pre>\n\n\n\n<p>\u9690\u542b\u6761\u4ef6, \u82e5cx\u4e0d\u7b49\u4e8e0, \u5219\u8df3\u8f6c\u5230\u6807\u53f7\u5904\u6267\u884c, \u82e5cx=0, \u5219\u4ec0\u4e48\u90fd\u4e0d\u505a<\/p>\n\n\n\n<p><strong>loop\u6307\u4ee4\u5b9e\u4f8b<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>data segment\n    mynum dw ?       ; \u5b9a\u4e49\u4e00\u4e2a\u5b57\u53d8\u91cf,\u672a\u521d\u59cb\u5316\n    db '$'\ndata ends\n\ncode segment\n    assume cs:code\nstart: \n    mov ax, data\n    mov ds, ax\n\n    mov ax,0            ; \u7ed3\u679c\n    mov cx, 100         ; \u5faa\u73af100\u6b21\n    s: \n        add ax, cx\n        loop s\n\n    mov mynum, ax\n\n    mov dx, 0\n\n    mov ah, 09h\n    int 21h\n   \n    mov ax, 4c00h\n    int 21h\n\ncode ends\nend start<\/code><\/pre>\n\n\n\n<p>\u5728\u5b9a\u4e49\u6570\u636e\u53d8\u91cf\u65f6, \u53ef\u4ee5\u4f7f\u7528?\u66ff\u4ee3\u672a\u521d\u59cb\u5316\u7684\u503c, \u5728\u4f7f\u7528\u53d8\u91cf\u524d, \u5e94\u8be5\u5148\u628ads\u5173\u8054\u5230data\u6bb5, \u5426\u5219\u540e\u7eed\u53ef\u80fd\u5f02\u5e38<\/p>\n\n\n\n<p>\u5728\u8fd9\u91cc, mynum\u662f\u4e00\u4e2a\u5b57\u53d8\u91cf, mov mynum, ax\u53ef\u4ee5\u628aax\u7684\u503c\u8d4b\u503c\u7ed9\u53d8\u91cf, \u5982\u679c\u6ca1\u6709\u5b9a\u4e49\u53d8\u91cf, \u5219\u53ef\u4ee5\u76f4\u63a5 mov word ptr ds:[0], ax, \u660e\u663e\u524d\u8005\u66f4\u65b9\u4fbf\u4e14\u4e0d\u9700\u8981\u624b\u52a8\u8ba1\u7b97\u504f\u79fb <\/p>\n\n\n\n<h2>\u6c47\u7f16\u5c4f\u5e55\u663e\u793a\u6574\u6570<\/h2>\n\n\n\n<p>\u5728\u8fd9\u91cc, \u5e76\u4e0d\u80fd\u8f93\u51fa1+100\u7684\u503c, \u539f\u56e0\u662f5050\u8f6c\u6362\u4e3a13BA, \u5373\u6700\u7ec8\u4e3a13BA, \u5e76\u4e0d\u7b26\u5408ASCII\u76845050, \u8981\u67e5\u770b\u7ed3\u679c\u9700\u8981\u4f7f\u7528debug\u8c03\u8bd5<\/p>\n\n\n\n<p>\u6211\u4eec\u5982\u4f55\u628a\u4e00\u4e2a\u6574\u6570\u663e\u793a\u5230\u5c4f\u5e55\u5462?<\/p>\n\n\n\n<p>\u9996\u5148\u8981\u628a\u6574\u6570\u7684\u6bcf\u4e2a\u4f4d\u53d6\u51fa, \u6bd4\u5982 6789 \u8fd9\u4e2a\u6570, \u90a3\u4e48\u5343\u4f4d6, \u767e\u4f4d7, \u5341\u4f4d8, \u4e2a\u4f4d9, \u7136\u540e\u628a\u5b83\u4eec\u52a0\u4e0a30h\u5c31\u5f97\u5230\u5b83\u4eec\u7684ASCII, \u5408\u5e76\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5c31\u53ef\u4ee5\u8c03\u7528\u5b57\u7b26\u4e32\u663e\u793a\u529f\u80fd\u4e86<\/p>\n\n\n\n<p>\u90a3\u4e48\u600e\u4e48\u53d6\u6bcf\u4e2a\u4f4d? <\/p>\n\n\n\n<ul><li>\u628a6789\/10, \u5f97\u5230\u5546678, \u4f59\u65709\u5373\u662f\u4e2a\u4f4d<\/li><li>\u628a678\/10, \u5f97\u5230\u554667, \u4f59\u65708\u5373\u662f\u5341\u4f4d<\/li><li>\u628a67\/10, \u5f97\u5230\u55466, \u4f59\u65707\u5373\u662f\u767e\u4f4d<\/li><li>\u628a6\/10, \u5f97\u5230\u5546\u4e3a0, \u5faa\u73af\u7ed3\u675f, \u4f59\u6570\u662f6\u5373\u5343\u4f4d<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>code segment\n    assume cs:code\nstart: \n    mov ax,0            ; \u5b58\u653e\u5faa\u73af\u7ed3\u679c\n    mov cx, 100         ; \u5faa\u73af100\u6b21\uff0c\u5c06\u5f97\u5230\u7ed3\u679c5050\n    s: \n        add ax, cx\n        loop s\n\n    mov dx, 0            ; \u5fc5\u987b\u8981\u5b9a\u4e49\u4e3a0\uff0c\u4f5c\u4e3a\u88ab\u9664\u6570\u9ad8\u4f4d\n    mov bx, 10           ;\u6bcf\u6b21\u8981\/10\uff0c\u56e0\u4e3a\u7ed3\u679c\u5927\u4e8e256\u5fc5\u987b16\u4f4d\n    mov si, 0            ; \u8bb0\u5f55\u4f4d\u6570\n    t:\n        div bx           ; \u6267\u884c\u4e00\u6b21\u9664\u6cd5\uff0c\u5982ax\u4e3a\u5546505, dx\u4e3a\u4f59\u65700\n        add dx, 30h\n        push dx                 ; \u538b\u6808\uff0c\u518d\u5f39\u6808\uff0c\u5426\u5219\u53cd\u5e8f\n        add si,1\n        mov cx, ax   \n        mov dx,0\n        jcxz ok\n        add cx, 1        ;  \u5148\u6267\u884c+1\uff0c\u56e0\u4e3aloop\u5148-1\u518d\u6267\u884c\u7684\n        loop t\n\n    ok:\t\n        mov cx, si        ; \u8bbe\u7f6e\u603b\u5f39\u6808\u5faa\u73af\u6b21\u6570\n\tmov di, 0         ; \u5f53\u524d\u5f39\u6808\u6b21\u6570\u8ba1\u6570\n\n    topop:\n\tpop ax\n\tmov ds:&#91;di], al\n\tadd di,1\n\tjcxz toshow\n\tloop topop\n\n    toshow:\n        \n    mov ax, 24h\n    mov ds:&#91;di],ax   ; \u7ed3\u675f\u6807\u8bb0, \u5e76\u4ee5\u5b57\u7b26\u4e32\u663e\u793a\n\n\n    lea dx, ds:&#91;0]\n\n    mov ah, 09h\n    int 21h\n\n    mov ax, 4c00h\n    int 21h\n\ncode ends\nend start<\/code><\/pre>\n\n\n\n<p>\u6267\u884c\u4e0a\u8ff0\u4ee3\u7801, \u4f1a\u5728\u5c4f\u5e55\u4ee5\u5341\u8fdb\u5236\u8f93\u51fa1~100\u7684\u548c, \u5f53\u7136\u4f60\u53ef\u4ee5\u6362\u6210\u5176\u4ed6\u7d2f\u52a0\u6b21\u6570, \u6216\u6570\u5b57<\/p>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d, \u4f60\u9700\u8981\u6ce8\u610fcx\u7684\u503c, \u5728\u6267\u884cloop\u5faa\u73af\u65f6, \u5b83\u4f1a\u5148\u8fdb\u884ccx-1, \u7136\u540e\u5224\u65ad\u662f\u5426\u4e3a0, \u82e5\u4e3a0\u5219\u4e0d\u6267\u884c, \u4e5f\u5c31\u662f\u8bf4\u82e5cx\u4e3a1, \u90a3\u4e48loop\u6267\u884c\u4e86\u4e5f\u5e76\u6ca1\u6709\u6267\u884c? \u5b9e\u9645\u662f\u6267\u884c\u4e86cx-1, \u4f46\u53c8\u6ca1\u6267\u884c\u5faa\u73af\u4ee3\u7801<\/p>\n","protected":false},"excerpt":{"rendered":"<p>loop\u6307\u4ee4\u4e3a\u5faa\u73af\u6307\u4ee4, \u6240\u6709\u7684\u5faa\u73af\u6307\u4ee4\u90fd\u662f\u77ed\u8f6c\u79fb, ip\u4fee\u6539\u8303\u56f4-128~127 \u6307\u4ee4\u683c\u5f0f: \u9690\u542b\u6761\u4ef6, \u82e5&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/hb\/post-105.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">\u6c47\u7f16 loop\u6307\u4ee4<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/posts\/105"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/comments?post=105"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/posts\/105\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/media?parent=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/categories?post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/hb\/wp-json\/wp\/v2\/tags?post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}