8088ʵģʽѰַֻ̿λԣλεַƣλλƫƣλַܶҲֻǣʵ֪京壬һеΣôλƣλټӣλƫƾͳɣλˣ
һ˵

һΪ֪Ĺ
============
ڣǶ֪IntelMicrosoftǶôΰ˽ǵijɳ̣ͻᷢҲͨôܶйӢ޴İѺָȨһ¹ˣúһͿһŵڱIJ˵һʲôܰ
ԶˣIBMʹ8088оƬIBM PCǴҪΪIBM PCһϵͳʱӢض˵DzҪǸڿһµ16λCPU802868088ڵġ
Ȼ IBM͸ǴĶ֪PCϵͳô£DzǴڻʢٴһ˾һϵͳͼԲƷ OSΪQDOSٺͰIJϵͳλǰDRIDigital Research Incλо˾Ϊ8086ģ˳¹˾ϸCP/MתΪ16λʹúڴ64K1024KȻ16λ CP/MʱдģʽġǴİIBM˺ٵСĶΪ86-DOSDOS-86ƵĶרΪCP/M ûƵġʵϣһ̨IBM˵ԣDZΪ˵֮ǰ˵CP/MijС-----Dzŵթͼ̵ζںܳʱunixOS/2ĿԱΪDOS̸IJϵͳ
       
8086/8088Ѱַ
===============
80888028616λCPUIntelΪʲôᾯIBM͸Ǵأ׷ʲô
Ҫ˽ⷢʲôҪڲῴ޴IJ졣ȣһƬãУգѰװĥĥãУչƬŵ΢£ῴ8086/88ڲṹһµƣе8085λ΢ٶôһ㡣
ÿ8085Լ8λݺ16λѰַ28λݼĴװ16λĴסʵûκ¶RCA COSMAC΢ʹ168λĴΪڲ8λ16λĴʹ,ж168λĴ816λĴߵκϡڣһйͨɣóƵij
ܵʱޣֻУţơӢ˼룬ȷˣַߣ͵Ѱַռ䣩ң߻ҪַͣеģãʱãһǵַߣһߣԴҪ˽⣬ɿоƬֲʱ򲿷֣ҲɿƬ鼮ĵַߺҲǸõģ

ʵˣڵһףλѰַĴѰַλģ͵ַأʵDzһγɣλѰַܼ򵥣ĺܶ鷳ܾͶûˣţʱЩӢΪλѰַǵַռ䣩dzƵʧҲòôڴɣ˵ϰƵֽDzһӲʹdzʵֵķֶΣ
ǰѣ˵ַռֳɣֽڵĶΣ˸ΣһģλѰַĴַƫƼĴʶεijǣˣһģλѰַĴֽڶεĶεַĴע⣬IJǣֽڶεĵַǣֽڶεţ
      ĺôǣֻҪãУ֮һλһλļӷͿɣλĵַѰַһĵַĴεַǣֽڶεţƣλֽСε׵ַһĵַĴͿϰ彻ˣɱͣٶȿ죬ǮӣԺ󣬡
ʵεĴСӣֽڶͨƷʵ֣ѰַΪʲôǰᆱӢѡֽأΪֽڵĶΣγɵַʱμĴλ٣ʵ֡
룬Ҫʵ֣λѰַҪһ˷ʵԱʡ¡⣬Ҫֱ֪λãУղͻƣλַռơ

ֻ̿λԣλεַƣλλƫƣλַܶҲֻǣʵ֪京壬һеΣôλƣλټӣλƫƾͳɣλˣ

ҵְҵӦջŪðʣҲСijɱٶռгǼϾ󾫡ʵǣֶΣ˷ֳɣֽڵĶΣμĴIJǶε׵ַǶεš֪Ϊʲô̿ϴ

      80286ֻΪռгæң8088ĵ̫80286Ƹϵ̫ߣʲôԭintelַdzͼĴ80286شȱݣ

      ȣ802868086/8088ʵģʽʵģʽַﵽ1024KʱҲܻƣ8088»ƵģַFFFFFHʱҪص0
      ǣA20ʹ⣬ʹIBMòdzͨ̿A20ַߵĸߵͣӶʵʵģʽµĵַƣԱ8088ݡֲݻרдͿɳƪۣڸԱС鷳

      ڶ 80286ʵģʽ뱣ģʽûа취˻ʵģʽ븴λУ 8028616MĴ洢ռ䣬ʵģʽֻܷ1MҲ˵Ҫʹ1Mϵڴ棬лģʽҪ븴λCPUʵģʽ³ԱôһĥͿѽȻ386õ˽ȻA20һֱڡ
      80286biosԱνڴԼģPCʱbiosʵģʽִӦִеij򣬵ڴԼʱлģʽڴԼ죬Ȼڼ̿һЩ־λCPU biosִУ̿еı־biosȸλλĵطִС
      
      Intel۹Ķ۹ļȵ(磬IBMMicrosoft)80286˸ߣɼ¢ϵΣԡ

      Intelmicrosoft֮ԸءΰȫڱϴԻԼԼϴԵĴڰǸءΰˣDZռһȻͨˣҿǵĻԶûΪءΰ