#include<dos.h>
#include<time.h>
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
char A[4][4][7][4]={
"0000","0000","0000","0000","0000","0000","0000",
"0000","0100","0010","0110","0110","0100","0110",
"1111","0111","1110","0011","1100","1110","0110",
"0000","0000","0000","0000","0000","0000","0000"};
char far*q=(char far*)0xA0000000;
int C[8][4][4],D[280],Q[280];
int Y[28],e[256],i[4];
int I[]={0,77,75,72};
int G[]={1,2,3,0};
int X[]={10,1,-1,0};
int M=9,c=279,g=61952,p=48;
int L,E,a,n,v,w,x,y;
void Pieza(f,F){
for(v=f?7:0;v--;f+=313)
for(w=7;w--;*(q+f++)=F);
}
int main(){
_AX=0x13;
geninterrupt(0x10);
clock_t T;
srand(time(NULL));
printf("%c[3;28f Nivel=1",27);
for(y=25;y--;Pieza(g+80,8),g-=2480)
for(x=10;x--;Q[c--]=g-=8)
if(!x||y>23) Pieza(g-8,D[c]=8);
for(g=4;g--;e[I[g]]=g,p=0)
for(a=7;a--;n=0)
for(y=4;y--;)
for(x=4;x--;)
if(A[g][y][a][x]=A[G[g]][x][a][3-y]-p)
C[a+1][g][n++]=10*y+x;
D[20]=p=rand()%7+1;
Inicio:
printf("%c[5;28fLineas=%u",27,L);
c=14;
for(n=4;n--;Pieza(Q[n],0))
if(D[I[n]=c+C[a=p][g=0][n]]--) break;
else Pieza(Q[I[n]],a);
while(n+1) if(getch()==27) return 0;
p=rand()%7+1;
for(n=4;n--;)
Pieza(Q[n]=Q[20+C[p][0][n]]+23160,p);
do{
if(n<0) T=clock();
do if(E=kbhit()) E=getch();
while(!E&&clock()-T<M);
if(E==27&&getch()==E) return 0;
if(n=(E=='-'&&M<10)-(E=='+'&&M>1))
printf("%c[3;35f%u",27,10-(M+=n));
x=X[e[E]];
y=x?g:G[g];
for(n=4;n--;)
if(D[i[n]=c+x+C[a][y][n]]>0) break;
if(n+1) continue;
for(n=4;n--;)
if(!D[i[n]]--) Pieza(Q[i[n]],a);
for(n=4;n--;I[n]=i[n])
if(!++D[I[n]]) Pieza(Q[I[n]],0);
if(x) c+=x--;
else g=y;
}while(x<10);
for(n=4;n--;)
if(++Y[y=I[n]/10]>8&&++L)
do for(c=10*y,x=9;x--;)
Pieza(Q[c],D[++c]=D[c-9]);
while(Y[y--]=Y[y-1]);
else D[I[n]]=a;
goto Inicio;
}