ST486DX datasheet(33/34 Pages) STMICROELECTRONICS

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ST486DX - ASSEMBLER MACROS FOR SGS-THOMSON INSTRUCTIONS

SMI_CR0

EQU

($CR0

+ SMMSIZE - SIZE SMI_SAVE)

SMI_EFLAGS

EQU

($EFLAGS + SMMSIZE - SIZE SMI_SAVE)

SMI_DR7

EQU

($DR7

+ SMMSIZE - SIZE SMI_SAVE)

SMM Instruction macro example: TEST.ASM

.MODEL

SMALL

.386

;SMM Macro Examples

; by Dean C. Wills

include smimac.inc

0000

.DATA

0000

0A*(??)

there

10 dup (?)

000A

.CODE

0000

2E 0F 78 1E 004E

svdc

cs:,hello,ds

0006

2E 0F 79 1E 004E

rsdc

ds,cs:,hello

000C

2E 0F 79 2E 004E

rsdc

gs,cs:,hello

0012 2E 67 2E 0F 78 9C 58 0000004E

svdc cs:,[eax+ebx*2+hello],1

001D

67| 0F 78 23

svdc

,[ebx],fs,1

0021

0F 78 2E 0000

svdc

,there,gs

0026

2E 0F 7A 06 004E

svldt

cs:,hello

002C

2E 0F 7B 06 004E

rsldt

cs:,hello

0032

2E 0F 7D 06 004E

rsts

cs:,hello

0038 2E 67 2E 0F 7C 84 58 0000004E

svts cs:,[eax+ebx*2+hello],1

0043

67| 0F 7A 03

svldt

,[ebx],1

0047

0F 7C 06 0000

svts

,there

004C

0F AA

rsm

004E

0A*(??)

hello

10 dup (?)

end

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