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標(biāo)題:
單片機(jī)+LCD1602顯示初步 匯編語言程序
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作者:
erina6913
時間:
2020-7-13 22:08
標(biāo)題:
單片機(jī)+LCD1602顯示初步 匯編語言程序
簡簡單單做了一個LCD顯示
RS BIT P2.0
RW BIT P2.1
EN BIT P2.2
ORG 0000H
AJMP MAIN
ORG 0050H
MAIN: MOV SP, #40H
MOV A, #01H
ACALL WCOM
MOV A, #38H
ACALL WCOM
MOV A, #0CH
ACALL WCOM
MOV A, #06H
ACALL WCOM
MOV A, #83H
ACALL WCOM
MOV A, #'B'
ACALL WDATA
MOV A, #'U'
ACALL WDATA
MOV A, #'I'
ACALL WDATA
MOV A, #'L'
ACALL WDATA
MOV A, #'D'
ACALL WDATA
MOV A, #' '
ACALL WDATA
MOV A, #'Y'
ACALL WDATA
MOV A, #'O'
ACALL WDATA
MOV A, #'U'
ACALL WDATA
MOV A, #'R'
ACALL WDATA
MOV A, #0C5H
ACALL WCOM
MOV A, #'D'
ACALL WDATA
MOV A, #'R'
ACALL WDATA
MOV A, #'E'
ACALL WDATA
MOV A, #'A'
ACALL WDATA
MOV A, #'M'
ACALL WDATA
MOV A, #'S'
ACALL WDATA
Loop: LJMP LOOP
CKBUSY: PUSH ACC
MOV P0, #0FFH
CC: CLR RS
SETB RW
CLR EN
NOP
SETB EN
MOV A, P1
JB ACC.7, CC
CLR EN
POP ACC
RET
WCOM: CLR EN
CLR RS
CLR RW
NOP
SETB EN
MOV P1, A
NOP
CLR EN
ACALL DELAY
RET
WDATA: CLR EN
SETB RS
CLR RW
SETB EN
NOP
MOV P1, A
CLR EN
ACALL DELAY
RET
DELAY: MOV R6, #0
DD: MOV R7, #128
DJNZ R7, $
DJNZ R6, DD
RET
END
復(fù)制代碼
LCD.png
(140.58 KB, 下載次數(shù): 27)
下載附件
2020-7-13 22:08 上傳
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