Керiвництво программиста, Детальна інформація

WP (Write Protect, a\x00B3o 16) - aeica\x00B3e caoenoo a\x00B3ae caieno ia \x00F0\x00B3ai\x00B3 i\x00F0ea\x00B3eae noia\x00F0aeci\x00F0a a noi\x00F0\x00B3iee o\x00B3eueee aeey /eoaiiy;

AM (Alignment Mask, a\x00B3o 18) - aeica\x00B3e eiio\x00F0ieth ae\x00F0\x00B3aithaaiiy;

NW (Not Writethrough, a\x00B3o 29) - caai\x00F0iia iane\x00F0\x00B3cia caieno eaoa \x00B3 oeeee\x00B3a aioethaaiiy;

CD (Cashe Disable, a\x00B3o 30) - caai\x00F0iia caiiaiaiiy eaoa;

PG (Paging Enable, a\x00B3o 31) - aeeth/aiiy iaoai\x00B3cio o\x00F0aineyoe\x00B3? noi\x00F0\x00B3iie.

\x00D0aa\x00B3no\x00F0 CR2 caa\x00F0\x00B3aa\x00BA 32-\x00F0ic\x00F0yaeio e\x00B3i\x00B3eio aae\x00F0ano, ii ye\x00B3e aoea io\x00F0eiaia inoaiiy a\x00B3aeiiaa noi\x00F0\x00B3iee iai'yo\x00B3.

\x00D0aa\x00B3no\x00F0 CR3 a noa\x00F0oeo 20 \x00F0ic\x00F0yaeao caa\x00F0\x00B3aa\x00BA o\x00B3ce/io aaciao aae\x00F0ano eaoaeiao noi\x00F0\x00B3iie.

Oi\x00F0ioaaiiy e\x00B3i\x00B3eii? aae\x00F0ane.

Iaoai\x00B3ci oi\x00F0ioaaiiy e\x00B3i\x00B3eii? aae\x00F0ane iaeiaeia a aoaeue-yeiio \x00F0aaeei\x00B3 \x00F0iaioe i\x00F0ioeani\x00F0a. A\x00B3ae \x00F0aaeeio caeaaeeoue o\x00B3eueee can\x00B3a caaaioaaeaiiy naaiaioiiai \x00F0aa\x00B3no\x00F0o. A \x00F0aaeueiiio \x00B3 a\x00B3\x00F0ooaeueiiio \x00F0aaeeiao cia/aiiy naaiaioii? aae\x00F0ane caaaioaaeo\x00BAoueny a naeaeoi\x00F0io /anoeio \x00B3 a iiea aace aeane\x00F0eioi\x00F0ii? /anoeie iiia\x00F0aaeii cnoiooa ia 4 \x00F0ic\x00F0yaeo e\x00B3ai\x00F0o/. \x00D0ici\x00B3\x00F0 anoaiiaeth\x00BAoueny \x00F0\x00B3aiei 64 Ea. Aei naaiaioo aeicaiey\x00BAoueny aeinooi ye ii caieno, oae \x00B3 ii /eoaiith. A caoeuaiiio \x00F0aaeei\x00B3 aeane\x00F0eioi\x00F0ia /anoeia caaaioaaeo\x00BAoueny c aeiaaeueii? aai eieaeueii? oaaeeoe\x00B3, a a naeaeoi\x00F0io /anoeio caaaioaaeo\x00BAoueny naeaeoi\x00F0, c aeiiiiiaith yeiai aoa aea\x00F0aiee aeane\x00F0eioi\x00F0. Eiaeiaee naaiaio neoaeeoue o\x00B3eueee aeey aea\x00B3\x00F0ee \x00B3ino\x00F0oeoe\x00B3e \x00B3 iiaea aooe aeinooiiee o\x00B3eueee aeey /eoaiiy. Naaiaioe aeaieo caaaeaee aeinooii\x00B3 aeey /eoaiiy \x00B3 iiaeooue aooe aeinooii\x00B3 aeey caieno. I\x00F0aaa aeinooio aei naaiaioo aecia/a\x00BA neiai ao\x00F0eaoo\x00B3a aeane\x00F0eioi\x00F0a.

E\x00B3i\x00B3eia aae\x00F0ana oi\x00F0io\x00BAoueny oeyoii i\x00B3aenoiiaoaaiiy ai\x00B3noo iiey aace a aeane\x00F0eioi\x00F0ii? /anoei\x00B3 naaiaioiiai \x00F0aa\x00B3no\x00F0o \x00B3 aoaeoeaiiai ci\x00B3uaiiy, ui noi\x00F0ioaaeinue c aeiiiiiaith iaeiiai c cania\x00B3a aae\x00F0anaoe\x00B3?.

A 16-\x00F0ic\x00F0yaeiii \x00F0aaeei\x00B3 aae\x00F0anaoe\x00B3? oi\x00F0ioaaiiy aoaeoeaiiai ci\x00B3uaiiy iiai\x00B3noth ni\x00B3aiaaea\x00BA c i\x00F0ioeani\x00F0aie 8086 \x00B3 80286. A 32-\x00F0ac\x00F0yaeiii \x00F0aaeei\x00B3 aac sib-aaeoa aae\x00F0ana oi\x00F0io\x00BAoueny c ai\x00B3noo aoaeue-yeiai \x00F0aa\x00B3no\x00F0o caaaeueiiai i\x00F0ecia/aiiy \x00B3 ci\x00B3uaiiy (ci\x00B3uaiiy aai \x00F0aa\x00B3no\x00F0 iiaeooue aooe a\x00B3aenooi\x00B3e). Aeey oi\x00F0ioaaiiy aae\x00F0ane c aeae\x00B3eueeio eiiiiiaio a 32-\x00F0ic\x00F0yaeiii \x00F0aaeei\x00B3 i\x00B3ney mod-aaeoa a \x00B3ino\x00F0oeoe\x00B3? noaaeoueny sib-aaeo (Scale-Index-Base, ianooaa-\x00B3iaeaen-aaca). A oeueiio aaeo\x00B3 i\x00B3noeoueny \x00B3ioi\x00F0iaoe\x00B3y i\x00F0i oa, ui \x00F0aa\x00B3no\x00F0 \x00BA aaciaei, ui \x00B3iaeaeniei \x00B3 ui oaeoi\x00F0 c\x00F0ooaiiy canoiniao\x00BAoueny aei \x00B3iaeaeno. Ai\x00B3no \x00B3iaeaeniiai \x00F0aa\x00B3no\x00F0o ia\x00F0aae oi\x00F0ioaaiiyi aae\x00F0ane iiaea aooe cnoiooee ia 1, 2 aai 4 \x00F0ic\x00F0yaeo e\x00B3ai\x00F0o/. A yeino\x00B3 aaciaiai \x00B3 \x00B3iaeaeniiai \x00F0aa\x00B3no\x00F0o iiaea aenooiaoe aoaeue-yeee \x00F0aa\x00B3no\x00F0 caaaeueiiai i\x00F0ecia/aiiy.

Iaoai\x00B3ci o\x00F0aineyoe\x00B3? noi\x00F0\x00B3iie.

O\x00F0aineyoe\x00B3y noi\x00F0\x00B3iie cae\x00B3enith\x00BAoueny o\x00B3eueee a caoeuaiiio \x00B3 a\x00B3\x00F0ooaeueiiio \x00F0aaeeiao. I\x00F0e oeueiio e\x00B3i\x00B3eia aeeiiaa/a aae\x00F0ana o\x00F0aineth\x00BAoueny a o\x00B3ce/iee c aeiiiiiaith aeai\x00F0\x00B3aiaaiai noi\x00F0\x00B3ieiaiai iaoai\x00B3cio.

EAAI\x00D0AOI\x00D0IA \x00D0IAIOA N 1

Iaoith eaai\x00F0aoi\x00F0ii? \x00F0iaioe \x00BA aea/aiiy iniia i\x00F0ia\x00F0aioaaiiy a caoeuaiiio \x00F0aaeei\x00B3 aeey i\x00B3e\x00F0ii\x00F0ioeani\x00F0o 80486, a oaeiae iaea\x00F0aeaiiy iaiao\x00B3aeieo iaaee\x00B3a \x00F0iaioe c aioeyoi\x00F0ii oeueiai i\x00F0ioeani\x00F0a.

5.2.1 CAAAeAIIss AeI EAAI\x00D0AOI\x00D0II\x00AF \x00D0IAIOE

A aeai\x00B3e \x00F0iaio\x00B3 nooaeaio iiaeiai neeanoe i\x00F0ia\x00F0aio, ui oi\x00F0io\x00BA a iai'yo\x00B3 iaiao\x00B3aei\x00B3 oaaeeoe\x00B3, ia\x00F0aaiaeeoue i\x00F0ioeani\x00F0 a caoeuaiee \x00F0aaeei, aeaiaeeoue ia ae\x00F0ai O\x00B2A nooaeaioa \x00B3 aa\x00F0oa\x00BAoueny a \x00F0aaeueiee \x00F0aaeei. I\x00F0e oeueiio \x00F0ic\x00F0yaei\x00B3noue naaiaio\x00B3a eiaeo \x00B3 noaea, iai\x00F0aaeaiiy \x00F0icoe\x00F0aiiy naaiaioo noaea \x00B3 can\x00B3a aae\x00F0anaoe\x00B3? i\x00F0e ia\x00F0aneeoe\x00B3 \x00F0yaeee ia ae\x00F0ai caaeai\x00B3 c aeiiiiiaith oaaeeoe\x00B3 aa\x00F0\x00B3aio\x00B3a. I\x00F0ia\x00F0aia iiaeiia aooe a\x00B3aeeaaiaeaeaia \x00B3 i\x00F0iaeaiiino\x00F0iaaia ia aioeyoi\x00F0\x00B3.

Ia\x00F0aae aeeiiaiiyi eaai\x00F0aoi\x00F0ii? \x00F0iaioe \x00F0aeiiaiaeo\x00BAoueny iciaeiieoeny c eiiniaeoii eaeoe\x00B3e \x00B3 e\x00B3oa\x00F0aoo\x00F0ith ii i\x00F0ia\x00F0aioaaiith i\x00F0ioeani\x00F0a a caoeuaiiio \x00F0aaeei\x00B3.

I\x00D0EEEAAe AEEIIAIIss

Neeaaeaii i\x00F0ia\x00F0aio aeey ia\x00F0aneeee oaenoiaiai \x00F0yaeea c aeei\x00F0enoaiiyi \x00B3iaeaenii? aae\x00F0anaoe\x00B3? c ianooaaoaaiiyi. Eiaeiaee naaiaio \x00B3 naaiaio noaea \x00BA 32-\x00F0ic\x00F0yaeiuie, noae iioe\x00F0th\x00BAoueny aiec.

Aeey \x00F0iaioe i\x00F0ia\x00F0aie a caoeuaiiio \x00F0aaeei\x00B3 aeinoaoiuei iaoe o\x00B3eueee oaaeeoeth aeiaaeueieo aeane\x00F0eioi\x00F0\x00B3a, ui i\x00B3noeoue ianooii\x00B3 aeaiaioe:

Ioeueiaee aeane\x00F0eioi\x00F0;

Aeane\x00F0eioi\x00F0 naaiaioo eiaeo (32-\x00F0ic\x00F0yaeiee);

Aeane\x00F0eioi\x00F0 naaiaioo aeaieo;

Aeane\x00F0eioi\x00F0 naaiaioo noaea (32-\x00F0ic\x00F0yaeiee, iioe\x00F0th\x00BAoueny aiec);

Aeane\x00F0eioi\x00F0 aeaieo a\x00B3aeaiaooa\x00F0a.

Aeey o\x00F0aineyoe\x00B3? aeo\x00B3aeiiai oaenoo i\x00F0ia\x00F0aie a aeeiiaa/ee oaee i\x00F0iaaaeaii c aeei\x00F0enoaiiyi o\x00F0aineyoi\x00F0a Tasm \x00B3 eeiea\x00F0a Tlink.

; oaee “lab1. asm”

IDEAL ; \x00F0aaeei Ideal

P486 ; 80486 c \x00B3ino\x00F0oeoe\x00B3yie Protect mode