chương trình chạy led

đây là chương trình:
$include(reg51.inc)
;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx
;chtrinh dieu khien port 0 va port 2

;doan chtr sang dan - tat dan tu tren xuong
;doan chtr sang dan - tat dan tu duoi len
;doan chtr sang dan tu tren xuong nhung - tat dan tu duoi len
;doan chtr sang dan tu tren xuong nhung - tat dan tu duoi len
;doan chtr sang - tat tu ngoai vao trong
;doan chtr sang - tat tu trong ra ngoai
;doan chtr chop tat 4 lan
;doan chtr chop tat xen ke 3 lan
;ket noi port 0 va port 1 den 16 led bang 2 soi cap 8 soi
;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx
cseg
Batdau:
;-------------------------------------------------------------------------
;doan chtr sang dan - tat dan tu tren xuong
;-------------------------------------------------------------------------

port01_15: mov p0,#00h ;tat port 0
mov p2,#00h ;tat port 2
port01_15a: lcall delaynhanh ;goi chuong trinh con delay
mov a,p0 ;chuyen noi dung port0 vao thanh ghi A
setb c ;lam cho bit C = 1
rlc a ;xoay noi dung thanh ghi A sang trai
mov p0,a ;tra lai cho port0
mov a,p2 ;chuyen noi dung port1 vao thanh ghi A
rlc a ;xoay noi dung thanh ghi A sang trai
mov p2,a ;tra lai cho port2
jnc port01_15a ;nhay ve de thuc hien tiep
port01_15b: lcall delaynhanh ;goi chuong trinh con delay
mov a,p0 ;chuyen noi dung port0 vao thanh ghi A
clr c ;lam cho bit C = 0
rlc a ;xoay noi dung thanh ghi A sang trai
mov p0,a ;tra lai cho port0
mov a,p2
rlc a
mov p2,a
jc port01_15b ;nhay ve de thuc hien tiep

;-------------------------------------------------------------------------
;doan chtr sang dan - tat dan tu duoi len
;-------------------------------------------------------------------------
port01_15c: lcall delaynhanh;
mov a,p2 ;
setb c;
rrc a ;
mov p2,a ;
mov a,p0 ;
rrc a ;
mov p0,a ;
jnc port01_15c ;
port01_15d: lcall delaynhanh
mov a,p0 ;
clr c ;
rlc a
mov p0,a ;
mov a,p2;
rlc a ;
mov p2,a ;
jc port01_15d ;

;ooooooooooooooooooooooooooooooooooooooooooooooooo ooooooooooooooooooooooooooooo
;doan chtr chop tat 4 lan
;ooooooooooooooooooooooooooooooooooooooooooooooooo ooooooooooooooooooooooooooooo
choptat: mov r0, #05;
choptat1:
mov p0, #00h;
mov p2, #00h;
lcall delaynhanh;
mov p2, #0ffh;
mov p0, #0ffh;
lcall delaynhanh;
djnz r0, choptat1;
;-------------------------------------------------------------------------
;doan chtr sang dan tu tren xuong nhung - tat dan tu duoi len
;-------------------------------------------------------------------------
mov p0,#00h ;tat port 0
mov p2,#00h ;tat port 2

port01_15e: lcall delaynhanh ;goi chuong trinh con delay
mov a,p0 ;chuyen noi dung port0 vao thanh ghi A
setb c ;lam cho bit C = 1
rlc a ;xoay noi dung thanh ghi A sang trai
mov p0,a ;tra lai cho port0
mov a,p2 ;chuyen noi dung port1 vao thanh ghi A
rlc a ;xoay noi dung thanh ghi A sang trai
mov p2,a ;tra lai cho port2
jnc port01_15e ;nhay ve de thuc hien tiep

port01_15f: lcall delaynhanh ;goi chuong trinh con delay
mov a,p0 ;chuyen noi dung port0 vao thanh ghi A
clr c ;lam cho bit C = 0
rlc a ;xoay noi dung thanh ghi A sang trai
mov p0,a ;tra lai cho port0
mov a,p2
rlc a
mov p2,a
jc port01_15f ;nhay ve de thuc hien tiep
;-------------------------------------------------------------------------
;doan chtr sang dan tu tren xuong nhung - tat dan tu duoi len
;-------------------------------------------------------------------------
port01_15g: lcall delaynhanh ;goi chuong trinh con delay
mov a,p2 ;chuyen noi dung port0 vao thanh ghi A
setb c ;lam cho bit C = 1
rrc a ;xoay noi dung thanh ghi A sang trai
mov p2,a ;tra lai cho port0
mov a,p0 ;chuyen noi dung port1 vao thanh ghi A
rrc a ;xoay noi dung thanh ghi A sang trai
mov p0,a ;tra lai cho port0
jnc port01_15g ;nhay ve de thuc hien tiep
port01_15h: lcall delaynhanh ;goi chuong trinh con delay
mov a,p0 ;chuyen noi dung port0 vao thanh ghi A
rlc a ;xoay noi dung thanh ghi A sang trai
mov p0,a ;tra lai cho port0
mov a,p2
rlc a
mov p2,a
jc port01_15h ;nhay ve de thuc hien tiep
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;doan chtr sang - tat tu ngoai vao trong
SANGNGOAIVAO:lcall delaynhanh;
SETB C;
RLC A;
MOV P0, A;
MOV A, P2;
SETB C;
RRC A;
MOV P2, A;
MOV A, P0;
JNC SANGNGOAIVAO;
TATNGOAIVAO: lcall delaynhanh;
CLR C;
RLC A;
MOV P0, A;
MOV A, P2;
CLR C;
RRC A;
MOV P2, A;
MOV A, P0;
JC TATNGOAIVAO;
;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx
;doan chtr sang - tat tu trong ra ngoai
SANGTRONGRA: lcall delaynhanh;
SETB C;
RRC A;
MOV P0, A;
MOV A, P2;
SETB C;
RLC A;
MOV P2, A;
MOV A, P0;
JNC SANGTRONGRA;
TATTRONGRA: lcall delaynhanh;
CLR C;
RRC A;
MOV P0, A;
MOV A, P2;
CLR C;
RLC A;
MOV P2, A;
MOV A, P0;
JC TATTRONGRA;

;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx
;doan chtr chop tat xen ke 3 lan
lcall delaynhanh;
mov p0, #55h;
mov p2, #55h;
lcall delaynhanh;
mov p0, #0aah;
mov p2, #0aah;
lcall delaynhanh;
mov p0, #55h;
mov p2, #55h;
lcall delaynhanh;
mov p0, #0aah;
mov p2, #0aah;
lcall delaynhanh;
mov p0, #55h;
mov p2, #55h;
lcall delaynhanh;
mov p0, #0aah;
mov p2, #0aah;
ljmp Batdau;
;chuong trinh con delay
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delaynhanh: cjne r1,#1,v4
nop
nop
nop
nop
ret
nop
nop
v4: dec r1
ret
end
còn hình vẽ thì em dung mô phong trên protues. p0,p2 nối với 16 led

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