example.c

mcs51子程序

/*****************example.c*************************/
#include <reg52.h>
#include <f3math.h>
#pragma  ot(5,size)
void main(void)
{
sfloat data sf1,sf2,sf3,sf4;
unsigned int data ui;
FloatMov(&sf1,IntToFloat(5));                   //sf1=5.0000
FloatMov(&sf2,IntToFloat(456));                 //sf2=456.00
FloatMov(&sf3,IntToFloat(34893));               //sf3=34893
FloatMov(&sf4,FloatDiv(&sf1,&sf2));             //sf4=sf1/sf2;
FloatMov(&sf4,FloatMul(&sf4,&sf3));             //sf4=sf4*sf3;
FloatMov(&sf4,FloatRev(&sf4));                  //sf4=-sf4;
FloatMov(&sf4,FloatAdd(&sf4,&sf2));             //sf4=sf4+sf2;
FloatMov(&sf4,FloatSub(&sf4,&sf1));             //sf4=sf4-sf1;
FloatMov(&sf4,FloatMul(&sf4,&sf2));             //sf4=sf4*sf2;
FloatMov(&sf1,FloatDiv(&sf4,&sf1));             //sf1=sf4/sf1;
FloatMov(&sf2,IntToFloat(10));                  //sf2=10;
FloatMov(&sf2,FloatMul(&sf1,&sf2));             //sf2=sf1*sf2;
ui=FloatToInt(&sf2);
P0=(unsigned char)ui;                           //P0=(unsigned char)sf2;
}