Đọc số ra tiền trong Pascal

Đổi tiền ra chữ viết bằng Pascal

uses crt;

var

a:array[1 9] of string[5];

so:real;

ty,trieu,tram,nghin:0 999;

cty,ctrieu,ctram,cnghin:string[3];

chuso:string;

cso:string[30];

loi,l:integer;

tiep:char;

Function doichu(n:integer):string;

var

chu:string;

tram,chuc,donvi:0 9;

begin

tram:=n div 100;

chuc:=(n-tram*100) div 10;

donvi:=n-tram*100-chuc*10;

chu:='';

If tram<>0 Then

chu:=chưa[tram]+' tram'

Else

chu:=chứ khong tram';

Case chuc of

1:chu:=chứ muoí;

0:if donvi<>0 then chu:=chứ lé;

else chu:=chưa[chuc]+' muoí;

End;{case}

Case donvi of

1:if (chuc<>1) and (chuc<>0) then chu:=chứ mot' else chu:=chư a[donvi];

5:if chuc<>0 then chu:=chứ lam'

else chu:=chưa[donvi];

else{case}

IF donvi<>0 then chu:=chư a[donvi];

End;{case}

doichu:=chu;

end;{doichu}

BEGIN

a[1]:=' mot';

a[2]:=' haí;

a[3]:=' ba';

a[4]:=' bon';

a[5]:=' nam';

a[6]:=' sau';

a[7]:=' bay';

a[8]:=' tam';

a[9]:=' chin';

Repeat

clrscr;

Write('Nhap so: ');readln(so);

if so=0 then chuso:='Khong dong'

else

begin

chuso:='';

str(so:12:0,cso);

ctram:=copy(cso,10,3);

cnghin:=copy(cso,7,3);

ctrieu:=copy(cso,4,3);

cty:=copy(cso,1,3);

val(cty,ty,loi);

val(ctrieu,trieu,loi);

val(cnghin,nghin,loi);

val(ctram,tram,loi);

if ty<>0 then chuso:=chuso+doichu(ty)+' ty';

if (ty<100) and (ty>=10) then delete(chuso,1,11);

if ty<10 then delete(chuso,1,14);

if trieu<>0 then chuso:=chuso+doichu(trieu)+' trieu';

if (ty=0) and (trieu<100) and (trieu>=10) then

delete(chuso,1,11);

if (ty=0) and (trieu<10) then delete(chuso,1,14);

if nghin<>0 then chuso:=chuso+doichu(nghin)+' nghin';

if (ty=0) and (trieu=0) and (nghin<100) and

(nghin>=10) then

delete(chuso,1,11);

if (ty=0) and (trieu=0) and (nghin<10) then

delete(chuso,1,14);

if tram<>0 then chuso:=chuso+doichu(tram);

delete(chuso,1,1);

chuso[1]:=upcase(chuso[1]); chuso:=chusớ dong';

end;

writeln(chuso);

writeln;

write('Tiep nua khong? (Y/N)'); tiep:=readkey;

until upcase(tiep)='N';

end