You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
736 B
39 lines
736 B
subttl emdecode.asm - Instruction decoding
|
|
page
|
|
;***
|
|
;emdecode.asm - Instruction decoding
|
|
;
|
|
; Microsoft Confidential
|
|
;
|
|
; Copyright (c) Microsoft Corporation 1991
|
|
;
|
|
; All Rights Reserved
|
|
;
|
|
;Purpose:
|
|
; Further decoding of instructions done here.
|
|
;
|
|
;Revision History:
|
|
;
|
|
; 8/23/91 TP Rewritten for 32 bits
|
|
;
|
|
;*******************************************************************************
|
|
|
|
;On entry, eax = r/m bits * 4. This is used to jump directly to the
|
|
;correct instruction within the group.
|
|
|
|
GroupFCHS:
|
|
jmp tGroupFCHSdisp[eax]
|
|
|
|
GroupFLD1:
|
|
jmp tGroupFLD1disp[eax]
|
|
|
|
GroupF2XM1:
|
|
jmp tGroupF2XM1disp[eax]
|
|
|
|
GroupFPREM:
|
|
jmp tGroupFPREMdisp[eax]
|
|
|
|
GroupFENI:
|
|
jmp tGroupFENIdisp[eax]
|
|
|
|
|