376 datasheet(92/95 Pages) INTEL

92 / 95 page

376 EMBEDDED PROCESSOR

Encoding of 32-bit Address Mode (‘‘mod rm’’ byte and ‘‘s-i-b’’ byte present)

mod base

Effective Address

00 000

DS EAXa(scaled index)

00 001

DS ECXa(scaled index)

00 010

DS EDXa(scaled index)

00 011

DS EBXa(scaled index)

00 100

SS ESPa(scaled index)

00 101

DS d32a(scaled index)

00 110

DS ESIa(scaled index)

00 111

DS EDIa(scaled index)

01 000

DS EAXa(scaled index)ad8

01 001

DS ECXa(scaled index)ad8

01 010

DS EDXa(scaled index)ad8

01 011

DS EBXa(scaled index)ad8

01 100

SS ESPa(scaled index)ad8

01 101

SS EBPa(scaled index)ad8

01 110

DS ESIa(scaled index)ad8

01 111

DS EDIa(scaled index)ad8

10 000

DS EAXa(scaled index)ad32

10 001

DS ECXa(scaled index)ad32

10 010

DS EDXa(scaled index)ad32

10 011

DS EBXa(scaled index)ad32

10 100

SS ESPa(scaled index)ad32

10 101

SS EBPa(scaled index)ad32

10 110

DS ESIa(scaled index)ad32

10 111

DS EDIa(scaled index)ad32

NOTE

Mod field in ‘‘mod rm’’ byte ss index base fields in

‘‘s-i-b’’ byte

Scale Factor

index

Index Register

000

EAX

001

ECX

010

EDX

011

EBX

100

no index reg

101

EBP

110

ESI

111

EDI

IMPORTANT NOTE

When index field is 100 indicating ‘‘no index register’’ then

ss field MUST equal 00 If index is 100 and ss does not

equal 00 the effective address is undefined

376 Folha de dados(PDF) 92 Page - Intel Corporation

376 Folha de dados(HTML) 92 Page - Intel Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95

Folha de dados Download

Ligação URL