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键盘按键的各种编码对照表本附录中的各表列举了键盘按键扫描码和其ASCII码之间的对照关系，表中数据都是十六进制形式。在用中断16H的0号功能时，当按下任意一个键或组合键时，寄存器AH和AL分别保存着该按键的扫描码和ASCII码。表1、ASCII码的编码方案高位低位0000010100111001011101110000NULDELSP0@P`p0001SOHDC1!1AQaq0010STXDC2“2BRbr0011ETXDC3#3CScs0100EOTDC4$4DTdt0101ENQNAK%5EUeu0110ACKSYN&6FVfv0111BELETB‘7GWgw1000BSCAN(8HXhx1001HTEM)9IYiy1010LFSUB*:JZjz1011VTESC+;K[k{1100FFFSL\l|1101CRGS-=M]m}1110SORS.N^n~1111SIUS/?O_oDel表2、字母和空格按键的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码aandA1E611E411E011E00bandB3062304230023000candC2E632E432E032E00dandD2064204420042000eandE1265124512051200fandF2166214621062100gandG2267224722072200handH2368234823082300iandI1769174917091700jan1J246A244A240A2400kandK256B254B250B2500landL266C264C260C2600mandM326D324D320D3200nandN316E314E310E3100oandO186F184F180F1800pandP1970195019101900qandQ1071105110111000randR1372135213121300sandS1F731F531F131F00tandT1474145414141400uandU1675165516151600vandV2F762F562F162F00wandW1177115711171100xandX2D782D582D182D00yandY1579155915191500zandZ2C7A2C5A2C1A2C00SpaceBar3920392039203920表3、功能键的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码F13B0054005E006800F23C0055005F006900F33D00560060006A00F43E00570061006B00F53F00580062006C00F64000590063006D00F741005A0064006E00F842005B0065006F00F943005C0066007000F1044005D0067007100F118500870089008B00F12860088008A008C00表4、数字键盘的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码Ins&0520052309200End&14F004F3175000001↓&25000503291000002PgDn&35100513376000003←&44B004B347300000454C004C358F000005→&64D004D3674000006Home&74700473777000007↑&8480048388D000008PgUp&94900493984000009+4E2B4E2B90004E00-4A2D4A2D8E004A00Del&'.'5300532E9300*372A372A96003700表5、第一排数字键盘的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码`and~2960297E29001and!0231022178002and@03320340030079003and#043304237A004and$053405247B005and%063506257C006and^0736075E071E7D007and&083708267E008and*0938092A7F009and(0A390A3880000and)0B300B298100-and_0C2D0C5F0C1F8200=and+0D3D0D2B8300表6、操作按键的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码Esc011B011B011B0100Backspace0E080E080E7F0E00Tab0F090F009400A500Enter1C0D1C0D1C0A1C00表7、标号按键的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码[and{1A5B1A7B1A1B1A00]and}1B5D1B7D1B1D1B00;and:273B273A27'and2827282228\and|2b5C2b7C2B1C2b,and332C333C33.and342E343E34/and?352F353F35表8、附加按键的编码表单键SHIFTCTRLALT按键扫描码ASCII码扫描码ASCII码扫描码ASCII码扫描码ASCII码Slash(/)E02FE02F9500A400EnterE00DE00DE00AA600Home47E047E077E09700End4FE04FE075E09F00PageUp49E049E084E09900PageDown51E051E076E0A100DnArrow50E050E091E0A000LeftArrow4BE04BE073E09B00RightArrow4DE04DE074E09D00UpArrow48E048E08DE09800Ins52E052E092E0A200Del53E053E093E0A300表9、其它按键的扫描码当这些键被按下时，BIOS并没有把它们的扫描码输入键盘缓冲区。按键扫描码CapsLock3ANumLock45ScrollLock46Shift(Left)2AShift(Right)36Alt38Ctrl1DPrtScreen37