Chương trình:
ORG 00H
MOV P1,#0FFH
MAIN:
TEST_1:
MOV P2,#11100011B
JB P3.1,TEST_2
LCALL CT1
JMP MAIN
TEST_2:
MOV P2,#11100111B
JB P3.1,TEST_3
LCALL CT2
JMP MAIN
TEST_3:
MOV P2,#11101011B
JB P3.1,TEST_4
LCALL CT3
JMP MAIN
TEST_4:
MOV P2,#11101111B
JB P3.1,TEST_5
LCALL CT4
JMP MAIN
TEST_5:
MOV P2,#11110011B
JB P3.1,TEST_6
LCALL CT5
JMP MAIN
TEST_6:
MOV P2,#11110111B
JB P3.1,TEST_7
LCALL CT6
JMP MAIN
TEST_7:
MOV P2,#11111011B
JB P3.1,TEST_8
LCALL CT7
JMP MAIN
TEST_8:
MOV P2,#11111111B
JB P3.1,MAIN
LCALL CT8
JMP MAIN
CT1:
MOV P1,#11111110B
CALL DELAY
MOV P1,#0FFH
RET
CT2:
MOV P1,#11111101B
CALL DELAY
MOV P1,#0FFH
RET
CT3:
MOV P1,#11111011B
CALL DELAY
MOV P1,#0FFH
RET
CT4:
MOV P1,#11110111B
CALL DELAY
MOV P1,#0FFH
RET
CT5:
MOV P1,#11101111B
CALL DELAY
MOV P1,#0FFH
RET
CT6:
MOV P1,#11011111B
CALL DELAY
MOV P1,#0FFH
RET
CT7:
MOV P1,#10111111B
CALL DELAY
MOV P1,#0FFH
RET
CT8:
MOV P1,#01111111B
CALL DELAY
MOV P1,#0FFH
RET
DELAY:
MOV R1,#250
STOP1:MOV R2,#250
STOP2:
DJNZ R2,STOP2
DJNZ R1,STOP1
RET
END
Blog Điện Tử | Tin Học - Chia sẻ kiến thức - Kết nối đam mê điện tử
