includec8051f020h>defineucharunsignedchardefineuintunsignedintvoidSYSCLK_Init(void);voidPORT_Init
includeiom8vh>voidport_init(){DDRB=0xFF;配置PB口为输出PORTB=0xFF;PB口的初始值为1}voiddisplay()流水灯显示{
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