MN xem hộ em sai ở đâu với, sửa luôn giúp em ạ
program gameball;
uses crt,KEY;
var h1,h2,h3,h4,banh1,banh2,can1,can2,chay1,chay2,i : integer;
diem,mang,gach1,gach2,phim,chon,dokho,muiten:integer;
chondokho : integer;
label thoat;
procedure banh;
begin
CLRSCR;
for i:=20 to 62 do begin
gotoxy(i,7);
write('__');
end;
for i:=8 to 20 do begin
gotoxy(20,i);
write('|');
end;
for i:=20 to 62 do begin
gotoxy(i,20);
write('__'); {IN giao dien game}
end;
for i:=8 to 20 do begin
gotoxy(62,i);
write('|');
end;
gotoxy(30,8);
Write('BOUNCING BALL I');
GOTOXY(25,11);
write('CHAO MUNG DEN VOI GAME BOUNCING BALL');
GOTOXY(25,13);
WRITE('DUNG PHIM "<-" DE DI CHUYEN SANG TRAI');
GOTOXY(25,14);
WRITE('DUNG PHIM "->" DE DI CHUYEN SANG PHAI');
gotoxy(25,15);
write('DUNG PHIM "ESC" DE THOAT [ QUIT ] ');
GOTOXY(25,17);
WRITE('NHAN ENTER DE BAT DAU CHOI !');
GOTOXY(25,19);
WRITE('--> ENTER !');
GOTOXY(25,23);
write('WRITE BY HACK258147');

READLN;
clrscr;
diem:=0;
banh1:=40 ; banh2:=18; {toa do cua banh}
gotoxy(banh1,banh2);
write('o'); {in banh}
{ Phan Choi game }
h2:=7;
for h1:=3 to 19 do begin
gotoxy(h2,h1);
write('//');
end;
h4:=67;
for h3:=3 to 19 do begin
gotoxy(h4,h3);
write('//');
end;
for h2:=7 to 67 do begin
gotoxy(h2,2);
write('//');
end;
for h2:=7 to 67 do begin
gotoxy(h2,20);
write('//');
end;
gotoxy(70,3);
write('BOUNCING');
GOTOXY(70,4);
WRITE('BALL I');
FOR i:=5 to 20 do begin
gotoxy(70,i);
write('/////////'); end;
{phan tao gach}
for i:=12 to 62 do begin
gotoxy(i,3);
write('');
end;
for i:=12 to 62 do begin
gotoxy(i,4);
write('');
end;
for i:=12 to 62 do begin
gotoxy(i,5);
write('');
end;
for i:=12 to 62 do begin
gotoxy(i,6);
write('');
end;

end;
procedure chaybanh;
label top,thoat,tiep,tiep2,chinhdokho,dieukhien;
begin
can1:=39;
can2:=19; {39,19}
gotoxy(30,24);
write('ESC : Thoat game');
gotoxy(50,24);
write('Write By hack258147');
gotoxy(50,25);
write('diendantoanhoc.net');

mang:=3;
top:
chay1:=0;
chay2:=-1;
gotoxy(5,25);
write('Mang : ',mang);
gotoxy(banh1,banh2);
write(' ');
banh1:=40;
banh2:=18;
gotoxy(5,24);
write('Diem : ',diem);
if chondokho=enterkey then goto tiep;
muiten:=13;
chinhdokho:
gotoxy(10,12);
write('Chon do kho');
gotoxy(14,13);
write('De');
gotoxy(14,14);
write('Binh thuong');
gotoxy(14,15);
write('Kho');
gotoxy(10,muiten);
write('-->');
dokho:=getkey;
keypressed;
repeat

if (dokho=upkey) and (muiten=13) then goto chinhdokho;
if (dokho=upkey) then begin
gotoxy(10,muiten);
write(' ');
muiten:=muiten-1;
gotoxy(10,muiten);
write('-->');
end;
if (dokho=dnkey) and (muiten=15) then goto chinhdokho;
if (dokho=dnkey) then begin
gotoxy(10,muiten);
write(' ');
muiten:=muiten+1;
gotoxy(10,muiten);write('-->'); end;
chondokho:=getkey;
if chondokho=enterkey then begin
gotoxy(10,12);
write(' ');
gotoxy(14,13);
write(' ');
gotoxy(14,14);
write(' ');
gotoxy(14,15);
write(' ');
gotoxy(10,muiten);
write(' ');
end;
until (chondokho=enterkey);
tiep:
repeat
if muiten=13 then delay(50000);
if muiten=14 then delay(40000);
if muiten=15 then delay(30000);
gotoxy(banh1,banh2); {CT chay Banh}
write(' ');
banh1:=banh1+chay1;
banh2:=banh2+chay2;
gotoxy(banh1,banh2);
write('o');
gotoxy(can1,can2);
write('MMMM');

if keypressed then begin
dieukhien:
phim:=Getkey;

tiep2: {39:19 toa do cua can}
if phim=leftkey then begin
gotoxy(can1,can2);
write(' '); {dieu khien can qua trai}
can1:=can1-3;
if (can1=9) and (can2=19) then can1:=can1+3;
gotoxy(can1,can2);
write('MMMM');
end;

if phim=rightkey then begin
gotoxy(can1,can2);
write(' '); {dieu khien can qua phai}
can1:=can1+3;
if (can1=66) and (can2=19) then can1:=can1-3;
gotoxy(can1,can2);
write('MMMM');
end;
end;

if phim=inskey then begin
mang:=9999;
gotoxy(5,25);
write(' '); {hack mang}
gotoxy(5,25);
write('Mang : ',mang);
end;
if phim=homekey then begin
diem:=9999;
gotoxy(5,24);
write(' '); {hack diem}
gotoxy(5,24);
write('Diem : ',diem);
end;

if (can1=banh1) and (can2=banh2) then begin
diem:=diem+1;
gotoxy(5,24);
write(' ');
gotoxy(5,24);
write('Diem : ',diem);
gotoxy(can1,can2);
write('M');
chay1:=random(3);
if chay1 = 1 then chay1:=+1;
if chay1 = 2 then chay1:=-1;
if chay1 = 3 then chay1:=+1;
if chay1 = 0 then chay1:=-1; {banh trung can_1}
chay2:=-1;
gotoxy(can1,can2);
write('M');
end;

if (can1+1=banh1) and (can2=banh2) then begin
diem:=diem+1;
gotoxy(5,24);
write(' ');
gotoxy(5,24);
write('Diem : ',diem);
gotoxy(can1+1,can2);
write('M');
chay1:=random(3);
if chay1 = 1 then chay1:=+1;
if chay1 = 2 then chay1:=-1;
if chay1 = 3 then chay1:=+1;
if chay1 = 0 then chay1:=-1;
{banh trung can 2}
chay2:=-1;
gotoxy(can1+1,can2);
write('M');
end;
if (can1+2=banh1) and (can2=banh2) then begin
diem:=diem+1;
gotoxy(5,24);
write(' ');
gotoxy(5,24);
write('Diem : ',diem);
gotoxy(can1,can2);
write('M');

chay1:=random(3);
if chay1 = 1 then chay1:=+1;
if chay1 = 2 then chay1:=-1;
if chay1 = 3 then chay1:=+1;
if chay1 = 0 then chay1:=-1; {banh trung can 3}
chay2:=-1;
gotoxy(can1+2,can2);
write('M');
end;
if (can1+3=banh1) and (can2=banh2) then begin
diem:=diem+1;
gotoxy(5,24);
write(' ');
gotoxy(5,24);
write('Diem : ',diem);
gotoxy(can1+3,can2);
write('M');
chay1:=random(3);
if chay1 = 1 then chay1:=+1;
if chay1 = 2 then chay1:=-1;
if chay1 = 3 then chay1:=+1;
if chay1 = 0 then chay1:=-1;

{banh trung can 4}
chay2:=-1;
gotoxy(can1+3,can2);
write('M');
end;
{ 9:2/ toa do ban dau cua banh }
for i:=8 to 66 do begin

if (banh1=i) and (banh2=3) then begin {neu banh dung tuong tren}
chay1:=random(3) ;
if chay1 = 1 then chay1:=+1;
if chay1 = 2 then chay1:=-1;
if chay1 = 3 then chay1:=+1;
if chay1 = 0 then chay1:=-1;
chay2:=+1; end; {66:3}
end;

for i:=4 to 20 do begin

if (banh2=i) and (banh1=10) then begin {neu banh dung tuong trai}
chay1:=+1;
randomize;
chay2:=random(3);
if chay2 = 1 then chay2:=+1;
if chay2 = 2 then chay2:=-1;
if chay2 = 3 then chay2:=+1;
if chay2 = 0 then chay2:=-1; end;
end; {9:3:19}
for i:=4 to 19 do begin

if (banh2=i) and (banh1=66) then begin
chay1:=-1;
randomize;
chay2:=random(3); {neu banh dung tuong phai}
if chay2 = 1 then chay2:=+1;
if chay2 = 2 then chay2:=-1;
if chay2 = 3 then chay2:=+1;
if chay2 = 0 then chay2:=-1;end;
end;
for i:=9 to 66 do begin
if (banh1<>can1) and (banh1<>can1+1) and (banh1<>can1+2) and (banh1<>can1+3) then begin
if (banh2=19) and (banh1=i) then begin
delay(60000);
delay(60000);
mang:=mang-1; {neu banh dung day}
gotoxy(10,12);
write('Ban bi mat mot mang/ bam ENTER de choi tiep ');
gotoxy(10,13);
write('Nhan ESC de thoat ');
chon:=Getkey;
gotoxy(10,12);
write(' ');
gotoxy(10,13);
write(' ');
gotoxy(5,25);
write(' ');
gotoxy(5,25);
write('Mang : ',mang);
gotoxy(5,24);
write(' ');
gotoxy(5,24);
write('Diem : ',diem);
if chon=enterkey then goto top;
if chon=Esckey then exit;
if chon=rightkey then goto top;
if chon=leftkey then goto top;
if chon=upkey then goto top;
if chon=dnkey then goto top;
end;
end;
end;



if mang = -1 then begin
gotoxy(10,12);
write('GAME OVER/Nhan Esc de thoat , nhan Space de choi tiep');
gotoxy(10,13);
write('Diem cua ban : ',diem);
chon:=getkey;
gotoxy(10,12);
write(' ');
gotoxy(10,13);
write(' ');
if chon=esckey then exit;
if chon=spacekey then begin
mang:=3;
diem:=0;
gotoxy(5,25);
write(' '); {diem :24,5 / mang:25,5}
gotoxy(5,25);
write('Mang : ',mang);
gotoxy(5,24);
write('Diem : ',diem);
goto top;
end;
end;
until (phim=esckey);
end;

begin
banh;
can1:=39; { CT chinh }
can2:=19;
gotoxy(can1,can2); {in can}
write('MMMM');
chaybanh;

clrscr;
gotoxy(20,5);
write('GAME OVER /nhan Enter de thoat');
gotoxy(20,6);
write('Diem cua ban : ',diem);
readln;
end.