DS18B20数字温度计的设计(一)信息工程毕业论(7)
2013-05-13 01:07
导读:, #01H MOV TEMPL , A MOV A , TEMPH CLP A ADDC A , #00H MOV TEMPH , A MOV TEMPHC , #0BH SJMP TEMC11 TEMPC1: MOV TEMPHC , #0AH TEMPC11: MOV A , TEMPHC SWAP A MOV TEMPHC , A MOV A , TEMPL ANL A , #0FH MO
, #01H
MOV TEMPL , A
MOV A , TEMPH
CLP A
ADDC A , #00H
MOV TEMPH , A
MOV TEMPHC , #0BH
SJMP TEMC11
TEMPC1: MOV TEMPHC , #0AH
TEMPC11: MOV A , TEMPHC
SWAP A
MOV TEMPHC , A
MOV A , TEMPL
ANL A , #0FH
MOV DPTR , #TEMPDOTTAB
MOVC A , @A+DPTR
MOV TEMPLC , A
MOV A , TEMPL
ANL A , #0F0H
SWAP A
MOV TEMPL , A
MOV A , TEMPH
ANL A , #0FH
SWAP A
ORL A , TEMPL
LCALL HEX2BCD1
MOV TEMPL , A
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ANL A , #0F0H
SWAP A
ORL A , TEMPHC
MOV TEMPHC , A
MOV A , TEMPL
ANL A , #0FH
SWAP A
ORL A , TEMPLC
MOV TEMPLC , A
MOV A , R7
JZ TEMPC12
ANL A , #0FH
SWAP A
MOV A , TEMPHC
ANL A , #0FH
ORL A , R7
TEMPC12: RET
TEMPDOTTAB: DB 00H, 01H, 01H, 02H, 03H, 03H, 04H, 04H, 05H, 06H,