int tics, cant_bits;

int salida;

int act;

int buffer[8];




void main() {

for (act = 0; act ++; act < 8) 
   { buffer[act] = 0 ; }
act = 0;
tics = 0;
cant_bits=0;
enable();
while(TRUE) {};
}

void interrupt timer() {

//Si PULSO está en 1 aumento tics 

if( out(PULSO) & 0x01 == 0x01) then
{ if (tics < 50) then tics = tics + 1;
}
} //end timer()



void interrupt flanco() {


if (tics == 50) then 
	{ buffer[act] = 1; 
	 act = (act + 1) % 8; 
	 cant_bits= cantbits + 1;}

if (tics == 30) then 
	{ buffer[act] = 0; 
	 act = (act + 1) % 8; 
	 cant_bits= cantbits + 1;}

if (tics < 30) then
{ 
// proceso buffer
salida = 0;

if cant_bits <= 8 then j=0
else j = act;  
       
for ( i = 1, i = i*2 , i <= 128)  do
            { salida = salida + i* buffer[j]; 
             j = (j + 1) % 8; } 

// escribo salida en SALIDA
OUT(SALIDA, salida);

// Limpio el buffer
for (act=0 , act ++, act < 8) 
    {buffer[act]= 0}

act = 0; 
cant_bits=0;
} //end if(tics<30)

tics = 0;
} //end flanco()