P1=0x7F; for(i=0;i>=1; P1 |=0x80; }
P1=0x7F; for(i=0;i>=1; P1 |=0x80; }
单片机中断程序P1=P1 | 0x80;
c++for(;*p1!='\0';p1++,
while(*p1) p1++; while(*p2) { *p1=*p2; p1++; p2++; } *p1=0;
#include void main() { char i,m; while(i>5) { P1=0x22; m=P1>
C51中,有这样一条指令如下:SID=P1^1; i_data=0xf8; SID=(bit)(i_data&=0x80
sbit P1_0 = P1 ^ 0;
int *p1,*p2; p1=(int *)malloc(10); p2=p1+2; printf("p1=0x%x,
keil uvision2 程序,当p1^0=1时,p1^1=0,p1^2=0,p1^3=1;当p1^0=0时,p1^1
#include sbit CLK= P1^0; sbit DIO= P1^1; sbit CE= P1^2; sbit
p1+p2+p3+p4=1 0
for (i=0x80;i>0;i /= 2) {} 小括号中的语句是怎么实现循环的?