[LeDuc]

cho em hoi trong ccs co ho tro vong lap " for" ko vay cac bac .. sao em lam hoai ma ko duoc vay .. bien dich van dung ma chay thi ko duoc...
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#include<16F877.h>
#device *=16 ADC=8
#fuses NOWDT,PUT,HS,NOPROTECT
#use delay(clock=10000000)
#use fast_io(b)
#byte p3=0x06
#byte porta=0x05

void main()
{  
   int8 const led[]={1,2,4,8,16,32,64,128},a;
   set_tris_b(0);
   set_tris_a(0);
   set_tris_c(0);
   set_tris_d(0);
   
   while(true)
    {
      for( a=0;a<8;a++)
      p3=led[a];
      delay_ms(100);
    }

}