標(biāo)題: 51單片機(jī)C語(yǔ)言邏輯運(yùn)算和布爾操作源程序 [打印本頁(yè)]
作者: taozi123    時(shí)間: 2018-5-1 22:29
標(biāo)題: 51單片機(jī)C語(yǔ)言邏輯運(yùn)算和布爾操作源程序
5.3.1


#include<reg52.h>
#include<stdio.h>

extern serial_initial();

unsigned char x_at_0x30;
unsigned char y_at_0x31;

main()
{
serial_initial();
x=0x58;
y=0x9b;
x=((x&0XF0)>>4)|((y&0X0F)<<4);
printf("x=%#bX\n",x);

while(1);
}

-------------------------------------------------

5.3.2

#include<reg52.h>
#include<stdio.h>

extern serial_initial();

sbit T=P1^0;
sbit U=P1^1;
sbit V=P1^2;
sbit W=P1^3;
sbit X=P1^4;
sbit Y=P1^5;
sbit Z=P1^6;

unsigned char bdata F_at_0x24;
sbit Q=F^0;

main()
{
serial_initial();
P1=0xff;
Q=(U&&(!(V||W)))||(X&&Y)||Z||(!T);
printf("x=%#bX\n",(char)F);

while(1);
}





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