CLR f0 ;1901-2099 年没有闰12 月,清闰月标志
CLR A
MOVC A,@A+dptr
- 6 -
ANL A,#0f0h
SWAP A;
MOV Byte4,A ;Byte4 中为闰月
JZ CON_30 ;没有闰月转移
MOV A,#2 ;有闰月,取第13 个月天数
MOVC A,@A+dptr
MOV C,ACC.7
MOV A,#1
MOVC A,@A+dptr
RLC A ;ACC 中为最后6 个月的大小值
SJMP CON_34
CON_30: MOV A,#1
MOVC A,@A+dptr ;ACC 中为最后6 个月的大小值
CON_34: MOV Byte5,A
CON_40: MOV A,Byte5
RRC A
MOV Byte5,A
JC CON_42
MOV B,#29 ;小月29 天
SJMP CON_44
CON_42: MOV B,#30 ;大月30 天
CON_44: MOV A,Byte3
CLR C
SUBB A,B
JZ CON_46 ;正好够减,就是农历日1 日
JNC CON_50
;不够减一月天数,结束农历月调整
CPL A ;求补取绝对值
INC A
CON_46: INC A ;加1 即为农历日
MOV B,#10 ;转换并保存农历日,月,年
DIV AB
SWAP A
ORL A,B
MOV CONvert_dAte,A
MOV A,CONvert_mONth
MOV B,#10
DIV AB
SWAP A
ORL A,B
MOV C,f0
MOV ACC.7,C
MOV CONvert_mONth,A
- 7 -
MOV A,CONvert_yeAr
MOV B,#10
DIV AB
SWAP A
ORL A,B
MOV CONvert_yeAr,A
RET ;结束转换
CON_50: MOV Byte3,A ;Byte3 存减去一月后的天数
JB f0,CON_52 ;是闰月,前推一月,月份不减
DEC CONvert_mONth;
CON_52: MOV A,CONvert_mONth
CJNE A,Byte4,CON_54
CPL f0 ;当前月与闰月相同,更改闰月标志
CON_54: SJMP CON_40
CON_60: MOV A,Byte4 ;春节日小于当前日,农历年同公历年
CLR C
SUBB A,Byte5
MOV Byte4,A
JNC CON_62
DEC Byte3 ;Byte3 Byte4 中为公历日离春节的天数
CON_62: MOV CONvert_mONth,#1 ;农历月为1 月
CLR A
MOVC A,@A+dptr
MOV Byte5,A
ANL A,#0f0h
SWAP A;
XCH A,Byte5 ;Byte5 中为闰月,ACC 为当年农历表第一字节
CLR f0 ;第一个月肯定不是闰月
ANL A,#0fh
MOV Byte1,A
MOV A,#1
MOVC A,@A+dptr
MOV Byte2,A
ANL A,#0f0h
ORL A,Byte1
SWAP A
MOV Byte1,A
MOV A,#2
MOVC A,@A+dptr
MOV C,ACC.7
MOV A,Byte2
ANL A,#0fh
- 8 -
SWAP A
MOV ACC.3,C;
MOV Byte2,A ;以上Byte1,Byte2 各BIT 存农历年大小
CON_70: MOV A,Byte2
RLC A
MOV Byte2,A
MOV A,Byte1
RLC A
MOV Byte1,A
JC CON_72
MOV B,#29 ;小月29 天处理
SJMP CON_74
CON_72: MOV B,#30 ;大月30 天
CON_74: MOV A,Byte4
CLR C
SUBB A,B
JNC CON_78 ;低字节够减跳转
MOV B,A ;低字节不够减, B 暂存减后结果,
MOV A,Byte3
JZ CON_76 ;高字节为0,不够减
DEC Byte3
MOV Byte4,B
SJMP CON_80
CON_76: MOV A,Byte4 ;不够减结束月调整
LJMP CON_46 ;转日期加1 后,处理并保存转换后农历年月日
CON_78: MOV Byte4,A ;Byte3 Byte4 天数为减去一月后天数
CON_80: MOV A,CONvert_mONth
CJNE A,Byte5,CON_82
CPL f0 ;当前月与闰月相同,更改闰月标志
JNB f0,CON_82 ;更改标志后是非闰月,月份加1
SJMP CON_70
CON_82: INC CONvert_mONth;
SJMP CON_70
get_dAys_lOw:
MOVC A,@A+PC ;取得常年过去月的天数的低字节
RET
DB 0,31,59,90,120,151,181,212,243,17,48,78
get_ruN_dAys_lOw:
MOVC A,@A+PC ;取得闰年过去月的天数的低字节
RET
DB 0,31,60,91,121,152,182,213,244,18,49,79
mONth_dAtA:
;公历年对应的农历数据,每年三字节,
- 9 -
;格式第一字节BIT7-4 位表示闰月月份,值为0 为无闰月,BIT3-0 对应农历第1-4 月的大小
;第二字节BIT7-0 对应农历第5-12 月大小,第三字节BIT7 表示农历第13 个月大小
;月份对应的位为1 表示本农历月大(30 天),为0 表示小(29 天).
;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
DB 004h,0Aeh,053h; 1901;
DB 00Ah,057h,048h; 1902
DB 055h,026h,0Bdh; 1903
DB 00dh,026h,050h; 1904
DB 00dh,095h,044h; 1905
DB 046h,0AAh,0B9h; 1906
DB 005h,06Ah,04dh; 1907
DB 009h,0Adh,042h; 1908
DB 024h,0Aeh,0B6h; 1909
DB 004h,0Aeh,04Ah; 1910
DB 06Ah,04dh,0Beh; 1911
DB 00Ah,04dh,052h; 1912
DB 00dh,025h,046h; 1913
DB 05dh,052h,0BAh; 1914
DB 00Bh,054h,04eh; 1915
DB 00dh,06Ah,043h; 1916
DB 029h,06dh,037h; 1917
DB 009h,05Bh,04Bh; 1918
DB 074h,09Bh,0C1h; 1919
DB 004h,097h,054h; 1920
DB 00Ah,04Bh,048h; 1921
DB 05Bh,025h,0BCh; 1922
DB 006h,0A5h,050h; 1923
DB 006h,0d4h,045h; 1924
DB 04Ah,0dAh,0B8h; 1925
DB 002h,0B6h,04dh; 1926
DB 009h,057h,042h; 1927
DB 024h,097h,0B7h; 1928
DB 004h,097h,04Ah; 1929
DB 066h,04Bh,03eh; 1930
DB 00dh,04Ah,051h; 1931
DB 00eh,0A5h,046h; 1932
DB 056h,0d4h,0BAh; 1933
DB 005h,0Adh,04eh; 1934
DB 002h,0B6h,044h; 1935
DB 039h,037h,038h; 1936
DB 009h,02eh,04Bh; 1937
DB 07Ch,096h,0Bfh; 1938
DB 00Ch,095h,053h; 1939
DB 00dh,04Ah,048h; 1940
- 10 -
DB 06dh,0A5h,03Bh; 1941
DB 00Bh,055h,04fh; 1942
DB 005h,06Ah,045h; 1943
DB 04Ah,0Adh,0B9h; 1944
DB 002h,05dh,04dh; 1945
DB 009h,02dh,042h; 1946
DB 02Ch,095h,0B6h; 1947
DB 00Ah,095h,04Ah; 1948
DB 07Bh,04Ah,0Bdh; 1949
DB 006h,0CAh,051h; 1950
DB 00Bh,055h,046h; 1951
DB 055h,05Ah,0BBh; 1952
DB 004h,0dAh,04eh; 1953
DB 00Ah,05Bh,043h; 1954
DB 035h,02Bh,0B8h; 1955
DB 005h,02Bh,04Ch; 1956
DB 08Ah,095h,03fh; 1957
DB 00eh,095h,052h; 1958
DB 006h,0AAh,048h; 1959
DB 07Ah,0d5h,03Ch; 1960
DB 00Ah,0B5h,04fh; 1961
DB 004h,0B6h,045h; 1962
DB 04Ah,057h,039h; 1963
DB 00Ah,057h,04dh; 1964
DB 005h,026h,042h; 1965
DB 03eh,093h,035h; 1966
DB 00dh,095h,049h; 1967
DB 075h,0AAh,0Beh; 1968
DB 005h,06Ah,051h; 1969
DB 009h,06dh,046h; 1970
DB 054h,0Aeh,0BBh; 1971
DB 004h,0Adh,04fh; 1972
DB 00Ah,04dh,043h; 1973
DB 04dh,026h,0B7h; 1974
DB 00dh,025h,04Bh; 1975
DB 08dh,052h,0Bfh; 1976
DB 00Bh,054h,052h; 1977
DB 00Bh,06Ah,047h; 1978
DB 069h,06dh,03Ch; 1979
DB 009h,05Bh,050h; 1980
DB 004h,09Bh,045h; 1981
DB 04Ah,04Bh,0B9h; 1982
DB 00Ah,04Bh,04dh; 1983
DB 0ABh,025h,0C2h; 1984
- 11 -
DB 006h,0A5h,054h; 1985
DB 006h,0d4h,049h; 1986
DB 06Ah,0dAh,03dh; 1987
DB 00Ah,0B6h,051h; 1988
DB 009h,037h,046h; 1989
DB 054h,097h,0BBh; 1990
DB 004h,097h,04fh; 1991
DB 006h,04Bh,044h; 1992
DB 036h,0A5h,037h; 1993
DB 00eh,0A5h,04Ah; 1994
DB 086h,0B2h,0Bfh; 1995
DB 005h,0ACh,053h; 1996
DB 00Ah,0B6h,047h; 1997
DB 059h,036h,0BCh; 1998
DB 009h,02eh,050h; 1999
DB 00Ch,096h,045h; 2000
DB 04dh,04Ah,0B8h; 2001
DB 00dh,04Ah,04Ch; 2002
DB 00dh,0A5h,041h; 2003
DB 025h,0AAh,0B6h; 2004
DB 005h,06Ah,049h; 2005
DB 07Ah,0Adh,0Bdh; 2006
DB 002h,05dh,052h; 2007
DB 009h,02dh,047h; 2008
DB 05Ch,095h,0BAh; 2009
DB 00Ah,095h,04eh; 2010
DB 00Bh,04Ah,043h; 2011
DB 04Bh,055h,037h; 2012
DB 00Ah,0d5h,04Ah; 2013
DB 095h,05Ah,0Bfh; 2014
DB 004h,0BAh,053h; 2015
DB 00Ah,05Bh,048h; 2016
DB 065h,02Bh,0BCh; 2017
DB 005h,02Bh,050h; 2018
DB 00Ah,093h,045h; 2019
DB 047h,04Ah,0B9h; 2020
DB 006h,0AAh,04Ch; 2021
DB 00Ah,0d5h,041h; 2022
DB 024h,0dAh,0B6h; 2023
DB 004h,0B6h,04Ah; 2024
DB 069h,057h,03dh; 2025
DB 00Ah,04eh,051h; 2026
DB 00dh,026h,046h; 2027
DB 05eh,093h,03Ah; 2028
- 12 -
DB 00dh,053h,04dh; 2029
DB 005h,0AAh,043h; 2030
DB 036h,0B5h,037h; 2031
DB 009h,06dh,04Bh; 2032
DB 0B4h,0Aeh,0Bfh; 2033
DB 004h,0Adh,053h; 2034
DB 00Ah,04dh,048h; 2035
DB 06dh,025h,0BCh; 2036
DB 00dh,025h,04fh; 2037
DB 00dh,052h,044h; 2038
DB 05dh,0AAh,038h; 2039
DB 00Bh,05Ah,04Ch; 2040
DB 005h,06dh,041h; 2041
DB 024h,0Adh,0B6h; 2042
DB 004h,09Bh,04Ah; 2043
DB 07Ah,04Bh,0Beh; 2044
DB 00Ah,04Bh,051h; 2045
DB 00Ah,0A5h,046h; 2046
DB 05Bh,052h,0BAh; 2047
DB 006h,0d2h,04eh; 2048
DB 00Ah,0dAh,042h; 2049
DB 035h,05Bh,037h; 2050
DB 009h,037h,04Bh; 2051
DB 084h,097h,0C1h; 2052
DB 004h,097h,053h; 2053
DB 006h,04Bh,048h; 2054
DB 066h,0A5h,03Ch; 2055
DB 00eh,0A5h,04fh; 2056
DB 006h,0B2h,044h; 2057
DB 04Ah,0B6h,038h; 2058
DB 00Ah,0Aeh,04Ch; 2059
DB 009h,02eh,042h; 2060
DB 03Ch,097h,035h; 2061
DB 00Ch,096h,049h; 2062
DB 07dh,04Ah,0Bdh; 2063
DB 00dh,04Ah,051h; 2064
DB 00dh,0A5h,045h; 2065
DB 055h,0AAh,0BAh; 2066
DB 005h,06Ah,04eh; 2067
DB 00Ah,06dh,043h; 2068
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