求汇编语言大神！！！！！！！！！！！！！！！！！！！！！

1.用AT89C51编汇P1.2控制蜂鸣器：利用单片机控制蜂鸣器产生“嘀，嘀”报警声，报警声从P1.2端口输出，2KHz.
2.单片机：利用复位监控芯片MAX813L，编写程序实现看门狗功能用（要用AT89C51仿真器)
这2个问题，麻烦了（追100分）

追问：这个可以有，能解决么？

答案：Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

- Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer. 
  
- Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer listed
  in this license in the documentation and/or other materials
  provided with the distribution.
  
- Neither the name of the copyright holders nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

其他：这个恐怕QQ币才能解决问题的。。。。。。 这么简单啊！网上那么多资料，随便下了参考就好了

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