家用防盗报警器设计(10)
时间:2025-07-06
时间:2025-07-06
R1 ;
R2 ;
ANL A,#0F0H RLC A JC L4 MOV R3,#16H L4:RLC A JC L5 MOV R3,#00H L5:
MOV
R0 RRC A MOV R0,A JNC L6 MOV R4,#01H LCALL DIS L6:MOV A,R0 RRC A MOV R0,A JNC L7 MOV R4,#02H LCALL DIS L7:MOV A,R0 RRC A MOV R0,A JNC L8 MOV R4,#03H LCALL DIS L8:MOV A,R0 RRC A JNC L9 MOV R4,#04H LCALL DIS L9:RET DIS
:
MOV
A
,
;
A
,
ADD A,R3 DA A ADD A,R4 DA A MOV R4,A MOV 21H,#00H HDISP:MOV A,R4 ANL A,#0F0H ORL A,#07H MOV P2,A ACALL DELAD2 MOV A,R4 ANL A,#0FH SWAP A ORL A,#0BH MOV P2,A ACALL DELAD5 INC 21H MOV A,#0FFH XRL A,21H JZ B1 SJMP HDISP B1:RET DELAD1
:
MOV
R5
#04H ;
DELAD2:MOV R6,#0F0H DELAD3:MOV R7,#0F7H DELAD4:NOP NOP
DJNZ R7,DELAD4 DJNZ R6,DELAD3 DJNZ R5,DELAD2 RET
,
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