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標題: 51單片機多字節無符號數加減法運算源程序 [打印本頁]

作者: taozi123 時間: 2018-5-1 22:26
標題: 51單片機多字節無符號數加減法運算源程序
#include<reg52.h>
#include<stdio.h>

extern serial_initial();

unsigned long x_at_0x30;
unsigned long y_at_0x40;

main()
{
serial_initial();
x=0XC9F21F;
y=0X881809;
y=x+y;
printf("y=%1X OR y=%ld\n",y,y);

while(1);
}

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