prestub.asm
来自「X86 GX1 BOOTLOAD代码 ,支持WINCE操作系统!」· 汇编 代码 · 共 51 行
ASM
51 行
;**************************************************************************
;*
;* PRESTUB.ASM
;*
;* Copyright (c) 1999 National Semiconductor Corporation.
;* All Rights Reserved.
;*
;* Function:
;* Stub routine for preSioInit
;*
;* $Revision:: 1 $
;*
;**************************************************************************
;.MODEL TINY
.486P
INCLUDE DEF.INC
INCLUDE MACROS.INC
INCLUDE PORT80.INC
_TEXT SEGMENT PUBLIC use16 'CODE'
;**************************************************************************
;*
;* preSioInit
;*
;* Entry:
;* Exit:
;* Destroys:
;*
;**************************************************************************
preSioInit PROC NEAR PUBLIC
shl ebx, 16
; Your code here
; Preserve upper half of EBX
; End your code
shr ebx, 16
jmp bx
preSioInit ENDP
_TEXT ENDS
END
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