multisim10 怎么C51写头文件 (转)

icove

multisim10 怎么C51写头文件 (转) [复制链接]

要点亮LED，但出错，认为P0没有定义，multisim10中C51的头文件怎么写？
void main()
{
/* Insert your code here. */
   P0=1;
}



出错信息

Multisim  -  2008-09-23 20:49:45
--------------------------Building: Project: project1---------------------------
Note: -E compiler option was not present. This option has been added to the compiler build command temporarily.
Note: -O compiler option was not present. This option has been added to the compiler build command temporarily.
Error: d:\MYDOCU~1\NATION~1\CIRCUI~1.0\MCUWOR~1\8051ex1\project1\main.c : 4   undefined identifier "P0"
Compiler results:  1 - Errors, 0 - Warnings

jackedison

直接使用.HEX文件就可以了,没必要用其编译.