求助！！！！谁能看懂这个代码？是51单片机实现公历农历转化的。

//公历转农历(1901-2100)
#include "lunar.h"
#define uchar unsigned char
#define TRUE 1
uchar code Data[]={
0x04,0xAe,0x53, //1901
0x0A,0x57,0x48, //1902
0x55,0x26,0xBd, //1903
0x0d,0x26,0x50, //1904
0x0d,0x95,0x44, //1905
0x46,0xAA,0xB9, //1906
0x05,0x6A,0x4d, //1907
0x09,0xAd,0x42, //1908
0x24,0xAe,0xB6, //1909
0x04,0xAe,0x4A, //1910
0x6A,0x4d,0xBe, //1911
0x0A,0x4d,0x52, //1912
0x0d,0x25,0x46, //1913
0x5d,0x52,0xBA, //1914
0x0B,0x54,0x4e, //1915
0x0d,0x6A,0x43, //1916
0x29,0x6d,0x37, //1917
0x09,0x5B,0x4B, //1918
0x74,0x9B,0xC1, //1919
0x04,0x97,0x54, //1920
0x0A,0x4B,0x48, //1921
0x5B,0x25,0xBC, //1922
0x06,0xA5,0x50, //1923
0x06,0xd4,0x45, //1924
0x4A,0xdA,0xB8, //1925
0x02,0xB6,0x4d, //1926
0x09,0x57,0x42, //1927
0x24,0x97,0xB7, //1928
0x04,0x97,0x4A, //1929
0x66,0x4B,0x3e, //1930
0x0d,0x4A,0x51, //1931
0x0e,0xA5,0x46, //1932
0x56,0xd4,0xBA, //1933
0x05,0xAd,0x4e, //1934
0x02,0xB6,0x44, //1935
0x39,0x37,0x38, //1936
0x09,0x2e,0x4B, //1937
0x7C,0x96,0xBf, //1938
0x0C,0x95,0x53, //1939
0x0d,0x4A,0x48, //1940
0x6d,0xA5,0x3B, //1941
0x0B,0x55,0x4f, //1942
0x05,0x6A,0x45, //1943
0x4A,0xAd,0xB9, //1944
0x02,0x5d,0x4d, //1945
0x09,0x2d,0x42, //1946
0x2C,0x95,0xB6, //1947
0x0A,0x95,0x4A, //1948
0x7B,0x4A,0xBd, //1949
0x06,0xCA,0x51, //1950
0x0B,0x55,0x46, //1951
0x55,0x5A,0xBB, //1952
0x04,0xdA,0x4e, //1953
0x0A,0x5B,0x43, //1954
0x35,0x2B,0xB8, //1955
0x05,0x2B,0x4C, //1956
0x8A,0x95,0x3f, //1957
0x0e,0x95,0x52, //1958
0x06,0xAA,0x48, //1959
0x7A,0xd5,0x3C, //1960
0x0A,0xB5,0x4f, //1961
0x04,0xB6,0x45, //1962
0x4A,0x57,0x39, //1963
0x0A,0x57,0x4d, //1964
0x05,0x26,0x42, //1965
0x3e,0x93,0x35, //1966
0x0d,0x95,0x49, //1967
0x75,0xAA,0xBe, //1968
0x05,0x6A,0x51, //1969
0x09,0x6d,0x46, //1970
0x54,0xAe,0xBB, //1971
0x04,0xAd,0x4f, //1972
0x0A,0x4d,0x43, //1973
0x4d,0x26,0xB7, //1974
0x0d,0x25,0x4B, //1975
0x8d,0x52,0xBf, //1976
0x0B,0x54,0x52, //1977
0x0B,0x6A,0x47, //1978
0x69,0x6d,0x3C, //1979
0x09,0x5B,0x50, //1980
0x04,0x9B,0x45, //1981
0x4A,0x4B,0xB9, //1982
0x0A,0x4B,0x4d, //1983
0xAB,0x25,0xC2, //1984
0x06,0xA5,0x54, //1985
0x06,0xd4,0x49, //1986
0x6A,0xdA,0x3d, //1987
0x0A,0xB6,0x51, //1988
0x09,0x37,0x46, //1989
0x54,0x97,0xBB, //1990
0x04,0x97,0x4f, //1991
0x06,0x4B,0x44, //1992
0x36,0xA5,0x37, //1993
0x0e,0xA5,0x4A, //1994
0x86,0xB2,0xBf, //1995
0x05,0xAC,0x53, //1996
0x0A,0xB6,0x47, //1997
0x59,0x36,0xBC, //1998
0x09,0x2e,0x50, //1999
0x0C,0x96,0x45, //2000
0x4d,0x4A,0xB8, //2001
0x0d,0x4A,0x4C, //2002
0x0d,0xA5,0x41, //2003
0x25,0xAA,0xB6, //2004
0x05,0x6A,0x49, //2005
0x7A,0xAd,0xBd, //2006
0x02,0x5d,0x52, //2007
0x09,0x2d,0x47, //2008
0x5C,0x95,0xBA, //2009
0x0A,0x95,0x4e, //2010
0x0B,0x4A,0x43, //2011
0x4B,0x55,0x37, //2012
0x0A,0xd5,0x4A, //2013
0x95,0x5A,0xBf, //2014
0x04,0xBA,0x53, //2015
0x0A,0x5B,0x48, //2016
0x65,0x2B,0xBC, //2017
0x05,0x2B,0x50, //2018
0x0A,0x93,0x45, //2019
0x47,0x4A,0xB9, //2020
0x06,0xAA,0x4C, //2021
0x0A,0xd5,0x41, //2022
0x24,0xdA,0xB6, //2023
0x04,0xB6,0x4A, //2024
0x69,0x57,0x3d, //2025
0x0A,0x4e,0x51, //2026
0x0d,0x26,0x46, //2027
0x5e,0x93,0x3A, //2028
0x0d,0x53,0x4d, //2029
0x05,0xAA,0x43, //2030
0x36,0xB5,0x37, //2031
0x09,0x6d,0x4B, //2032
0xB4,0xAe,0xBf, //2033
0x04,0xAd,0x53, //2034
0x0A,0x4d,0x48, //2035
0x6d,0x25,0xBC, //2036
0x0d,0x25,0x4f, //2037
0x0d,0x52,0x44, //2038
0x5d,0xAA,0x38, //2039
0x0B,0x5A,0x4C, //2040
0x05,0x6d,0x41, //2041
0x24,0xAd,0xB6, //2042
0x04,0x9B,0x4A, //2043
0x7A,0x4B,0xBe, //2044
0x0A,0x4B,0x51, //2045
0x0A,0xA5,0x46, //2046
0x5B,0x52,0xBA, //2047
0x06,0xd2,0x4e, //2048
0x0A,0xdA,0x42, //2049
0x35,0x5B,0x37, //2050
0x09,0x37,0x4B, //2051
0x84,0x97,0xC1, //2052
0x04,0x97,0x53, //2053
0x06,0x4B,0x48, //2054
0x66,0xA5,0x3C, //2055
0x0e,0xA5,0x4f, //2056
0x06,0xB2,0x44, //2057
0x4A,0xB6,0x38, //2058
0x0A,0xAe,0x4C, //2059
0x09,0x2e,0x42, //2060
0x3C,0x97,0x35, //2061
0x0C,0x96,0x49, //2062
0x7d,0x4A,0xBd, //2063
0x0d,0x4A,0x51, //2064
0x0d,0xA5,0x45, //2065
0x55,0xAA,0xBA, //2066
0x05,0x6A,0x4e, //2067
0x0A,0x6d,0x43, //2068
0x45,0x2e,0xB7, //2069
0x05,0x2d,0x4B, //2070
0x8A,0x95,0xBf, //2071
0x0A,0x95,0x53, //2072
0x0B,0x4A,0x47, //2073
0x6B,0x55,0x3B, //2074
0x0A,0xd5,0x4f, //2075
0x05,0x5A,0x45, //2076
0x4A,0x5d,0x38, //2077
0x0A,0x5B,0x4C, //2078
0x05,0x2B,0x42, //2079
0x3A,0x93,0xB6, //2080
0x06,0x93,0x49, //2081
0x77,0x29,0xBd, //2082
0x06,0xAA,0x51, //2083
0x0A,0xd5,0x46, //2084
0x54,0xdA,0xBA, //2085
0x04,0xB6,0x4e, //2086
0x0A,0x57,0x43, //2087
0x45,0x27,0x38, //2088
0x0d,0x26,0x4A, //2089
0x8e,0x93,0x3e, //2090
0x0d,0x52,0x52, //2091
0x0d,0xAA,0x47, //2092
0x66,0xB5,0x3B, //2093
0x05,0x6d,0x4f, //2094
0x04,0xAe,0x45, //2095
0x4A,0x4e,0xB9, //2096
0x0A,0x4d,0x4C, //2097
0x0d,0x15,0x41, //2098
0x2d,0x92,0xB5, //2099
0x0d,0x53,0x49, //2100
}; uchar code Mon1[2][13]={0,31,28,31,30,31,30,31,31,30,31,30,31,
0,31,29,31,30,31,30,31,31,30,31,30,31}; SPDATE Spdate; SPDATE GetSpringDay(uchar GreYear,uchar GreMon,uchar GreDay){ //获得当年春节的公历日期
//第三字节BIT6-5表示春节的公历月份,BIT4-0表示春节的公历日期
int day;
uchar i,Flag,F;
uchar Offset1;
unsigned char L=0x01,Flag1=1;
unsigned int Temp16,L1=0x0800; Spdate.cYear=GreYear ;
Spdate.cMon=(Data[(200-(100-GreYear)-1)*3+2]&0x60)>>5; //春节公历月份
Spdate.cDay=(Data[(200-(100-GreYear)-1)*3+2])&0x1f; //春节公历日期 if( (!(GreYear%4) && (GreYear%100)) || !(GreYear%400) ) Flag=1; else Flag=0;
if(Spdate.cMon>GreMon){ //春节离公历日期的天数
day=Mon1[Flag][GreMon]-GreDay;
for(i=GreMon+1;i<=Spdate.cMon-1;i++)
day+=Mon1[Flag][i];
day+=Spdate.cDay;
F=1;
}
else if(Spdate.cMon<GreMon){ //春节的月份小于目标的月份
day=Mon1[Flag][Spdate.cMon]-Spdate.cDay;
for(i=Spdate.cMon+1;i<=GreMon-1;i++)
day+=Mon1[Flag][i];
day+=GreDay;
F=0;
}
else{
if(Spdate.cDay>GreDay){
day=Spdate.cDay-GreDay;
F=1;
}
else if(Spdate.cDay<GreDay){
day=GreDay-Spdate.cDay;
F=0;
}
else day=0;
}
Spdate.cYear=Spdate.cYear;
Spdate.cMon=1;
Spdate.cDay=1;
if(!day) return Spdate ;
if(F){ //春节在公历日期后
Spdate.cYear--;
Spdate.cMon=12;
Offset1=(200-(100-Spdate.cYear)-1)*3;
while(TRUE){
//第一字节BIT7-4对应闰月月份,值为0表示无闰月,BIT3-0对应农历第1-4月大小
//第二字节BIT7-0对应农历第5-12月大小,第三字节BIT7对应农历第13个月大小
if(Data[Offset1+1]&L)
day-=30;
else
day-=29;
L<<=1;
if(((Data[Offset1+0]&0xf0)>>4)==Spdate.cMon && Flag1){
Flag1=0;
if(Data[Offset1+2]&0x80) day-=30; else day-=29;
continue;
}
if(day>0) Spdate.cMon--; else break;
}
Spdate.cDay=-day+1;
}
if(!F){
Spdate.cMon=1;
Offset1=(200-(100-Spdate.cYear)-1)*3;
Temp16=(Data[Offset1+0]<<8)+Data[Offset1+1];
while(TRUE){
if(Temp16 & L1) day-=30; else day-=29;
if(day>=0)
Spdate.cMon++;
else if(day<0){
if(Temp16 & L1) day+=30; else day+=29;
break;
}
L1>>=1;
//格式第一字节BIT7-4对应闰月月份,值为0表示无闰月,BIT3-0对应农历第1-4月大小
//第二字节BIT7-0对应农历第5-12月大小,第三字节BIT7对应农历第13个月大小
if(((Data[Offset1+0]&0xf0)>>4)==(Spdate.cMon-1) && Flag1){ //闰月
Flag1=0;
Spdate.cMon--;
if(Temp16 & L1) day-=30; else day-=29;
if(day>=0)
Spdate.cMon++;
else if(day<0){
if(Temp16 & L1) day+=30; else day+=29;
break;
}
L1>>1;
}
}
Spdate.cDay=day+1;
}
return Spdate;
} bit YearFlag(uchar cYear){ //计算闰年
if( (!(cYear%4) && (cYear%100)) || !(cYear%400) ) return 1; else return 0;
} uchar GetWeekDay(uchar cYear,uchar cMon,uchar cDay){ //计算目标日期是星期几
char i;
int Sum=0,tmpyear=2000+cYear;
for(i=1;i<=cMon-1;i++)
Sum+=Mon1[YearFlag(cYear)][i];
Sum+=cDay-1;
return (((tmpyear-1)+(tmpyear-1)/4-(tmpyear-1)/100+(tmpyear-1)/400+Sum)%7)+1;
}

求讲解大致的过程，最好能有流程图。求高人。毕设交稿在即。

我连地址的意思都看不明白。能具体说说吗？

求助。高人来帮帮我。

我就差这一个子模块了。来人帮帮我吧。好难看不懂。