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xms
- DOS XMS library is a DOS real mode and large memory model C library. Because DOS is ran under real mode, programmer only can access RAM under 1MB-DOS XMS library is a real mode DOS and large m emory model C library. Because ran under DOS is r Leverag
watchdog
- #include <reg52.h> //52系列单片机头文件 #define uchar unsigned char #define uint unsigned int sfr WDT_CONTR=0xe1 sbit led1=P0^0 sbit leds=P1^4 //led使能 void delayms(uint xms) { uint i,j for(i=xms i>0 i-