clkstub.asm
来自「X86 GX1 BOOTLOAD代码 ,支持WINCE操作系统!」· 汇编 代码 · 共 50 行
ASM
50 行
;**************************************************************************
;*
;* CLKSTUB.ASM
;*
;* Copyright (c) 1999 National Semiconductor Corporation.
;* All Rights Reserved.
;*
;* Function:
;* Stub for 5520 clock code
;*
;* $Revision:: 1 $
;*
;**************************************************************************
.486P
INCLUDE DEF.INC
INCLUDE MACROS.INC
INCLUDE PORT80.INC
_TEXT SEGMENT PUBLIC use16 'CODE'
ASSUME CS:SEGGROUP
;**************************************************************************
;*
;* clockInit
;*
;* Entry:
;* Exit:
;* Destroys:
;*
;**************************************************************************
clockInit PROC NEAR PUBLIC
shl ebx, 16
mov al, 056h ; Start TIMER 1
out 043h, al
mov al, 012h
out 041h, al
shr ebx, 16
jmp bx
clockInit ENDP
_TEXT ENDS
END
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