em có 1 số thắc mắc mong mọi người giúp đỡ
em co đoạn code như thế này:
em muốn chữ chạy rồi đứng yên khoảng 2 giây rồi chạy tiếp thì phải sữa chỗ nào
ai bít giúp em nha (vdk AT89S51 điều khiển 5 led matrix )
em co đoạn code như thế này:
$MOD51
HANG DATA P2 ;HANG PORT2 TICH CUC MUC THAP
COT DATA P3 ;COT PORT3 TICH CUC MUC CAO
SELECT0 BIT P0.0 ;CAC BIT CHON LED TICH CUC
SELECT1 BIT P0.1
SELECT2 BIT P0.2
SELECT3 BIT P0.3
SELECT4 BIT P0.4
CHONCT BIT P0.7 ;BIT CHON CHUONG TRINH NAO SE DUOC THUC THI
START BIT P0.6 ;BIT CHO CHAY CHUONG TRINH DUOC CHON
;----------------------------------------------------------- ---
STARTS:
MOV P2,#0FFH ;XOA HANG
MOV P3,#00H ;XOA COT
MOV R0,#00H ;NAP GIA TRI DAU TIEN CHO R0
MAIN: ;CHUONG TRINH CHINH,KIEM TRA VA CHO THUC
;HIEN CHUONG TRINH DUOC NGUOI SU DUNG CHON
CJNE R0,#00,HS1
LCALL SO0
HS1: CJNE R0,#02,HS2
LCALL SO1
HS2: CJNE R0,#04,HS3
LCALL SO2
HS3: CJNE R0,#06,HS4
LCALL SO3
HS4: CJNE R0,#08,KT0
LCALL SO4
KT0: JNB START,SELECT ;NHAY NEU BIT START DUOC NHAN
;DEN BANG CHON CHUONG TRINH (SELECT)
LJMP KT1 ;NEU BIT START CHUA DUOC NHAN ,
;KIEM TRA TIEP BIT CHONCT
KT1: JNB CHONCT,TANGR0 ;NEU BIT CHONCT DUOC NHAN,
;TANG R0 DE CHON CT TUONG UNG
LJMP MAIN ;QUAY LAI DE KIEM TRA TU DAU
TANGR0:
INC R0 ;TANG R0 THEM 2,VI LENH AJMP
; TRONG BANG NHAY TABLE CHIEM 2 BYTE
INC R0
LCALL DELAY ;CHONG NHIEU ,TRONG TRUONG HOP
; GIU NUT NHAN LAU HON CHU KI KIEM TRA
LJMP MAIN ;QUAY LAI KIEM TRA TU DAU
SELECT: ;NHAY DEN CAC CHUONG TRINH TUONG UNG
MOV DPTR,#TABLE
MOV A,R0
JMP @A+DPTR ;NHAY DEN CHUONG TRINH DUOC CHON
; (DO GIA TRI R0 LUC NAY)
TABLE: ;BANG CHON CHUONG TRINH
AJMP PR0
AJMP PR1
AJMP PR2
AJMP PR3
AJMP PR4
;----------------------------------------------------------- -------
;CAC CHUONG TRINH CON HIEN THI SO
;----------------------------------------------------------- -------
SO0:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO0
LCALL SCAN1MT
RET
SO1:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO1
LCALL SCAN1MT
RET
SO2:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO2
LCALL SCAN1MT
RET
SO3:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO3
LCALL SCAN1MT
RET
SO4:
CLR SELECT0 ;CHO LED 0 TICH CUC
SETB SELECT1
MOV DPTR,#MASO4
LCALL SCAN1MT
RET
;----------------------------------------------------------- --------
;CAC CHUONG TRINH CON DE LUA CHON
;----------------------------------------------------------- --------
PR0:
LCALL CT0
LJMP PR0
PR1:
LCALL CT1
LJMP PR1
PR2:
LCALL CT2
LJMP PR2
PR3: ;CHUA DUNG
LJMP PR3
PR4: ;CHUA DUNG
LJMP PR4
;----------------------------------------------------------- --------
;CAC CHUONG TRINH CHAY CHU
;----------------------------------------------------------- --------
CT0: ;CHAY DOAN CHU "HAPPY NEW YEAR 2008".
MOV DPTR,#MAHIENTHI2
LAP2:
LCALL SCAN5MT
INC DPTR
MOV A,DPL
CJNE A,#LOW(MAHIENTHI2+144),LAP2
RET
;----------------------------------------------------------
CT1: ;HIEN THI "DIEN TU"
MOV DPTR,#DIENTU
LCALL SCAN5MT
RET
;-----------------------------------------------------------
CT2: ;HIEN THI "X CUONG".
MOV DPTR,#CUONG
LCALL SCAN5MT
RET
;----------------------------------------------------------
;CAC CHUONG TRINH QUET MA TRAN
;----------------------------------------------------------
SCAN1MT: ;CHUONG TRINH QUET MOT MA TRAN
PUSH 00H
PUSH 01H
PUSH ACC
MOV R0,#00H
MOV R1,#80H ;R1 DUNG DE QUET COT(10000000B)
SCAN:
MOV A,R0
MOVC A,@A+DPTR ;LAY MA HIEN THI
MOV HANG,A ;DUA DU LIEU RA HANG
MOV COT,R1 ;QUET COT
LCALL DELAY2
MOV COT,#00H ;CHONG LEM
INC R0 ;TANG R0 DE LAY DU LIEU KE
MOV A,R1 ;DICH PHAI R1,DE QUET COT KE
RR A
MOV R1,A
CJNE R0,#08,SCAN ;KIEM TRA QUET DU 8 COT
POP ACC
POP 01H
POP 00H
RET
;---------------------------------------------------------
;CHUONG TRINH QUET 5 MA TRAN.
SCAN5MT:
PUSH 00H
PUSH 01H
PUSH 03H
PUSH ACC
MOV R0,#00H ;OFFSET LAY MA HIEN THI
MOV R3,#11101111B ;DUNG DE CHON MA TRAN TICH CUC,
;TICH CUC LED 4 DAU TIEN
SCAN2: ;NAP LAI SAU KHI DA QUET XONG 1 MA TRAN
MOV R1,#80H ;QUET COT
MOV P0,R3 ;TICH CUC MA TRAN
SCAN1:
MOV A,R0
MOVC A,@A+DPTR
MOV HANG,A
MOV COT,R1
LCALL DELAY3
MOV COT,#00H ;CHONG LEM
INC R0 ;TANG R0 DE LAY MA HIEN THI KE
MOV A,R1 ;DICH PHAI R1 DE QUET COT KE
RR A
MOV R1,A
CJNE R1,#80H,SCAN1;NHAY KHI CHUA QUET HET 8 COT
MOV A,R3 ;DICH PHAI R3 DE TICH CUC MA TRAN TIEP THEO
RR A
MOV R3,A
CJNE R3,#01111111B,SCAN2 ;NHAY KHI CHUA HET 5 MA TRAN
POP ACC
POP 03H
POP 01H
POP 00H
RET
;----------------------------------------------------------
;CAC CHUONG TRINH DELAY
;----------------------------------------------------------
DELAY: ;CHUONG TRINH DELAY 0.5S
PUSH 00H
MOV TMOD,#01H
MOV R0,#200
LOOP:
MOV TH0,#0F6H
MOV TL0,#03CH
SETB TR0
JNB TF0,$
CLR TR0
CLR TF0
DJNZ R0,LOOP
POP 00H
RET
;----------------------------------------------------------
DELAY2: ;CHUONG TRINH DELAY 2.5MS
PUSH 00H
PUSH 01H
MOV R1,#5
LOOP2:
MOV R0,#250
DJNZ R0,$
DJNZ R1,LOOP2
POP 01H
POP 00H
RET
;----------------------------------------------------------
DELAY3: ;CHUONG TRINH DELAY 1.25 MS
PUSH 00H
PUSH 01H
MOV R1,#3
LOOP3:
MOV R0,#210
DJNZ R0,$
DJNZ R1,LOOP3
POP 01H
POP 00H
RET
;----------------------------------------------------------
;BANG MA DU LIEU HIEN THI
;----------------------------------------------------------
MASO0:
DB 0FFH,0FFH,0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ;SO 0
MASO1:
DB 0FFH,0FFH,0EEH,0DEH,080H,0FEH,0FEH,0FFH ;SO 1
MASO2:
DB 0FFH,0FFH,0D8H,0B6H,0B6H,0B6H,0CEH,0FFH ;SO 2
MASO3:
DB 0FFH,0FFH,0DDH,0B6H,0B6H,0B6H,0C9H,0FFH ;SO 3
MASO4:
DB 0FFH,0FFH,0E3H,0DBH,0BBH,0FBH,080H,0FFH ;SO 4
CUONG:
DB 0FFH,09CH,0EBH,0F7H,0EBH,09CH,0FFH,0FFH,0FFH ; CHU X
DB 0C1H,0BEH,0BEH,0BEH,0DDH,0FFH ; CHU C
DB 081H,0FEH,0FEH,0FEH,081H,0FFH ; CHU U
DB 0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ; CHU O
DB 080H,0DFH,0EFH,0F7H,080H,0FFH ; CHU N
DB 0C1H,0BEH,0B6H,0B6H,0D1H,0FFH,0FFH ; CHU G
DIENTU:
DB 0FFH,080H,0BEH,0BEH,0BEH,0C1H,0FFH ; CHU D
DB 0BEH,0BEH,080H,0BEH,0BEH,0FFH ; CHU I
DB 080H,0B6H,0B6H,0B6H,0B6H,0FFH ; CHU E
DB 080H,0DFH,0EFH,0F7H,080H,0FFH ; CHU N
DB 0FFH,0FFH,0BFH,0BFH,080H,0BFH,0BFH,0FFH ; CHU T
DB 081H,0FEH,0FEH,0FEH,081H,0FFH,0FFH; CHU U
MAHIENTHI2:
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,080H,0F7H,0F7H,0F7H,080H,0FFH ; CHU H
DB 0E0H,0DBH,0BBH,0DBH,0E0H,0FFH ; CHU A
DB 080H,0B7H,0B7H,0B7H,0CFH,0FFH ; CHU P
DB 080H,0B7H,0B7H,0B7H,0CFH,0FFH ; CHU P
DB 09FH,0EFH,0F0H,0EFH,09FH,0FFH ; CHU Y
DB 0FFH,0FFH,080H,0DFH,0EFH,0F7H,080H,0FFH ; CHU N
DB 080H,0B6H,0B6H,0B6H,0B6H,0FFH ; CHU E
DB 080H,0FDH,0FBH,0FDH,080H,0FFH ; CHU W
DB 0FFH,0FFH,09FH,0EFH,0F0H,0EFH,09FH,0FFH ; CHU Y
DB 080H,0B6H,0B6H,0B6H,0B6H,0FFH ; CHU E
DB 0E0H,0DBH,0BBH,0DBH,0E0H,0FFH ; CHU A
DB 080H,0B7H,0B3H,0B5H,0CEH,0FFH ; CHU R
DB 0FFH,0FFH,0D8H,0B6H,0B6H,0B6H,08EH,0FFH ;SO 2
DB 0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ;SO 0
DB 0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ;SO 0
DB 0C9H,0B6H,0B6H,0B6H,0C9H,0FFH ;SO 8
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
END
HANG DATA P2 ;HANG PORT2 TICH CUC MUC THAP
COT DATA P3 ;COT PORT3 TICH CUC MUC CAO
SELECT0 BIT P0.0 ;CAC BIT CHON LED TICH CUC
SELECT1 BIT P0.1
SELECT2 BIT P0.2
SELECT3 BIT P0.3
SELECT4 BIT P0.4
CHONCT BIT P0.7 ;BIT CHON CHUONG TRINH NAO SE DUOC THUC THI
START BIT P0.6 ;BIT CHO CHAY CHUONG TRINH DUOC CHON
;----------------------------------------------------------- ---
STARTS:
MOV P2,#0FFH ;XOA HANG
MOV P3,#00H ;XOA COT
MOV R0,#00H ;NAP GIA TRI DAU TIEN CHO R0
MAIN: ;CHUONG TRINH CHINH,KIEM TRA VA CHO THUC
;HIEN CHUONG TRINH DUOC NGUOI SU DUNG CHON
CJNE R0,#00,HS1
LCALL SO0
HS1: CJNE R0,#02,HS2
LCALL SO1
HS2: CJNE R0,#04,HS3
LCALL SO2
HS3: CJNE R0,#06,HS4
LCALL SO3
HS4: CJNE R0,#08,KT0
LCALL SO4
KT0: JNB START,SELECT ;NHAY NEU BIT START DUOC NHAN
;DEN BANG CHON CHUONG TRINH (SELECT)
LJMP KT1 ;NEU BIT START CHUA DUOC NHAN ,
;KIEM TRA TIEP BIT CHONCT
KT1: JNB CHONCT,TANGR0 ;NEU BIT CHONCT DUOC NHAN,
;TANG R0 DE CHON CT TUONG UNG
LJMP MAIN ;QUAY LAI DE KIEM TRA TU DAU
TANGR0:
INC R0 ;TANG R0 THEM 2,VI LENH AJMP
; TRONG BANG NHAY TABLE CHIEM 2 BYTE
INC R0
LCALL DELAY ;CHONG NHIEU ,TRONG TRUONG HOP
; GIU NUT NHAN LAU HON CHU KI KIEM TRA
LJMP MAIN ;QUAY LAI KIEM TRA TU DAU
SELECT: ;NHAY DEN CAC CHUONG TRINH TUONG UNG
MOV DPTR,#TABLE
MOV A,R0
JMP @A+DPTR ;NHAY DEN CHUONG TRINH DUOC CHON
; (DO GIA TRI R0 LUC NAY)
TABLE: ;BANG CHON CHUONG TRINH
AJMP PR0
AJMP PR1
AJMP PR2
AJMP PR3
AJMP PR4
;----------------------------------------------------------- -------
;CAC CHUONG TRINH CON HIEN THI SO
;----------------------------------------------------------- -------
SO0:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO0
LCALL SCAN1MT
RET
SO1:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO1
LCALL SCAN1MT
RET
SO2:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO2
LCALL SCAN1MT
RET
SO3:
CLR SELECT0 ;CHO LED 0 TICH CUC
MOV DPTR,#MASO3
LCALL SCAN1MT
RET
SO4:
CLR SELECT0 ;CHO LED 0 TICH CUC
SETB SELECT1
MOV DPTR,#MASO4
LCALL SCAN1MT
RET
;----------------------------------------------------------- --------
;CAC CHUONG TRINH CON DE LUA CHON
;----------------------------------------------------------- --------
PR0:
LCALL CT0
LJMP PR0
PR1:
LCALL CT1
LJMP PR1
PR2:
LCALL CT2
LJMP PR2
PR3: ;CHUA DUNG
LJMP PR3
PR4: ;CHUA DUNG
LJMP PR4
;----------------------------------------------------------- --------
;CAC CHUONG TRINH CHAY CHU
;----------------------------------------------------------- --------
CT0: ;CHAY DOAN CHU "HAPPY NEW YEAR 2008".
MOV DPTR,#MAHIENTHI2
LAP2:
LCALL SCAN5MT
INC DPTR
MOV A,DPL
CJNE A,#LOW(MAHIENTHI2+144),LAP2
RET
;----------------------------------------------------------
CT1: ;HIEN THI "DIEN TU"
MOV DPTR,#DIENTU
LCALL SCAN5MT
RET
;-----------------------------------------------------------
CT2: ;HIEN THI "X CUONG".
MOV DPTR,#CUONG
LCALL SCAN5MT
RET
;----------------------------------------------------------
;CAC CHUONG TRINH QUET MA TRAN
;----------------------------------------------------------
SCAN1MT: ;CHUONG TRINH QUET MOT MA TRAN
PUSH 00H
PUSH 01H
PUSH ACC
MOV R0,#00H
MOV R1,#80H ;R1 DUNG DE QUET COT(10000000B)
SCAN:
MOV A,R0
MOVC A,@A+DPTR ;LAY MA HIEN THI
MOV HANG,A ;DUA DU LIEU RA HANG
MOV COT,R1 ;QUET COT
LCALL DELAY2
MOV COT,#00H ;CHONG LEM
INC R0 ;TANG R0 DE LAY DU LIEU KE
MOV A,R1 ;DICH PHAI R1,DE QUET COT KE
RR A
MOV R1,A
CJNE R0,#08,SCAN ;KIEM TRA QUET DU 8 COT
POP ACC
POP 01H
POP 00H
RET
;---------------------------------------------------------
;CHUONG TRINH QUET 5 MA TRAN.
SCAN5MT:
PUSH 00H
PUSH 01H
PUSH 03H
PUSH ACC
MOV R0,#00H ;OFFSET LAY MA HIEN THI
MOV R3,#11101111B ;DUNG DE CHON MA TRAN TICH CUC,
;TICH CUC LED 4 DAU TIEN
SCAN2: ;NAP LAI SAU KHI DA QUET XONG 1 MA TRAN
MOV R1,#80H ;QUET COT
MOV P0,R3 ;TICH CUC MA TRAN
SCAN1:
MOV A,R0
MOVC A,@A+DPTR
MOV HANG,A
MOV COT,R1
LCALL DELAY3
MOV COT,#00H ;CHONG LEM
INC R0 ;TANG R0 DE LAY MA HIEN THI KE
MOV A,R1 ;DICH PHAI R1 DE QUET COT KE
RR A
MOV R1,A
CJNE R1,#80H,SCAN1;NHAY KHI CHUA QUET HET 8 COT
MOV A,R3 ;DICH PHAI R3 DE TICH CUC MA TRAN TIEP THEO
RR A
MOV R3,A
CJNE R3,#01111111B,SCAN2 ;NHAY KHI CHUA HET 5 MA TRAN
POP ACC
POP 03H
POP 01H
POP 00H
RET
;----------------------------------------------------------
;CAC CHUONG TRINH DELAY
;----------------------------------------------------------
DELAY: ;CHUONG TRINH DELAY 0.5S
PUSH 00H
MOV TMOD,#01H
MOV R0,#200
LOOP:
MOV TH0,#0F6H
MOV TL0,#03CH
SETB TR0
JNB TF0,$
CLR TR0
CLR TF0
DJNZ R0,LOOP
POP 00H
RET
;----------------------------------------------------------
DELAY2: ;CHUONG TRINH DELAY 2.5MS
PUSH 00H
PUSH 01H
MOV R1,#5
LOOP2:
MOV R0,#250
DJNZ R0,$
DJNZ R1,LOOP2
POP 01H
POP 00H
RET
;----------------------------------------------------------
DELAY3: ;CHUONG TRINH DELAY 1.25 MS
PUSH 00H
PUSH 01H
MOV R1,#3
LOOP3:
MOV R0,#210
DJNZ R0,$
DJNZ R1,LOOP3
POP 01H
POP 00H
RET
;----------------------------------------------------------
;BANG MA DU LIEU HIEN THI
;----------------------------------------------------------
MASO0:
DB 0FFH,0FFH,0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ;SO 0
MASO1:
DB 0FFH,0FFH,0EEH,0DEH,080H,0FEH,0FEH,0FFH ;SO 1
MASO2:
DB 0FFH,0FFH,0D8H,0B6H,0B6H,0B6H,0CEH,0FFH ;SO 2
MASO3:
DB 0FFH,0FFH,0DDH,0B6H,0B6H,0B6H,0C9H,0FFH ;SO 3
MASO4:
DB 0FFH,0FFH,0E3H,0DBH,0BBH,0FBH,080H,0FFH ;SO 4
CUONG:
DB 0FFH,09CH,0EBH,0F7H,0EBH,09CH,0FFH,0FFH,0FFH ; CHU X
DB 0C1H,0BEH,0BEH,0BEH,0DDH,0FFH ; CHU C
DB 081H,0FEH,0FEH,0FEH,081H,0FFH ; CHU U
DB 0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ; CHU O
DB 080H,0DFH,0EFH,0F7H,080H,0FFH ; CHU N
DB 0C1H,0BEH,0B6H,0B6H,0D1H,0FFH,0FFH ; CHU G
DIENTU:
DB 0FFH,080H,0BEH,0BEH,0BEH,0C1H,0FFH ; CHU D
DB 0BEH,0BEH,080H,0BEH,0BEH,0FFH ; CHU I
DB 080H,0B6H,0B6H,0B6H,0B6H,0FFH ; CHU E
DB 080H,0DFH,0EFH,0F7H,080H,0FFH ; CHU N
DB 0FFH,0FFH,0BFH,0BFH,080H,0BFH,0BFH,0FFH ; CHU T
DB 081H,0FEH,0FEH,0FEH,081H,0FFH,0FFH; CHU U
MAHIENTHI2:
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,080H,0F7H,0F7H,0F7H,080H,0FFH ; CHU H
DB 0E0H,0DBH,0BBH,0DBH,0E0H,0FFH ; CHU A
DB 080H,0B7H,0B7H,0B7H,0CFH,0FFH ; CHU P
DB 080H,0B7H,0B7H,0B7H,0CFH,0FFH ; CHU P
DB 09FH,0EFH,0F0H,0EFH,09FH,0FFH ; CHU Y
DB 0FFH,0FFH,080H,0DFH,0EFH,0F7H,080H,0FFH ; CHU N
DB 080H,0B6H,0B6H,0B6H,0B6H,0FFH ; CHU E
DB 080H,0FDH,0FBH,0FDH,080H,0FFH ; CHU W
DB 0FFH,0FFH,09FH,0EFH,0F0H,0EFH,09FH,0FFH ; CHU Y
DB 080H,0B6H,0B6H,0B6H,0B6H,0FFH ; CHU E
DB 0E0H,0DBH,0BBH,0DBH,0E0H,0FFH ; CHU A
DB 080H,0B7H,0B3H,0B5H,0CEH,0FFH ; CHU R
DB 0FFH,0FFH,0D8H,0B6H,0B6H,0B6H,08EH,0FFH ;SO 2
DB 0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ;SO 0
DB 0C1H,0BEH,0BEH,0BEH,0C1H,0FFH ;SO 0
DB 0C9H,0B6H,0B6H,0B6H,0C9H,0FFH ;SO 8
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
END
ai bít giúp em nha (vdk AT89S51 điều khiển 5 led matrix )
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