$NOMOD51 ; Ax51宏彙編器控制命令,禁止預定義的8051 。 使編譯器不使能預定義的;8051符號,避免產生重複定義的錯誤。
;------------------------------------------------- -----------------------------
; This file is part of the C51 Compiler package
; Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
;------------------------------------------------- -----------------------------
; STARTUP.A51: This code is executed after processor reset.
;
; To translate this file use A51 with the following invocation:
;
; A51 STARTUP.A51
;
; To link the modified STARTUP.OBJ file to your application use the following
; BL51 invocation:
;
; BL51 <your object file list>, STARTUP.OBJ <controls>
; BL51是Keil使用的鏈接器(Linker),這是命令行的使用格式,一般不用,使用IDE環境,