for(i = 0; i > -32; --){
        PA_SetBrightness(0, i);
        PA_SetBrightness(1, i);
        PA_WaitForVBL();          
    }

    #include <PA9.h>       // Include for PA_Lib
 
    #include "compo_top.h" // gif to include
    #include "compo_bottom.h" // gif to include
    #include "test.h"
    s16 level = 0;
    s16 fade;
    s8 black = 0;
    void HBL_function(void){
   s16 vcount = PA_GetVcount();
   vcount++;
   if(vcount > 192) vcount = 0; // Get correct vcount
   fade = (vcount+(level*4)-192)>>2;  
   if(fade < 0) fade = 0;
   if(fade > 31) fade = 31;
 
   if(black) PA_SetBrightness(0, fade-31);
   else PA_SetBrightness(0, 31-fade);
}  
 
 
 
    // Function: main()
    int main(int argc, char ** argv)
{
    PA_Init();    // Initializes PA_Lib
    PA_InitVBL(); // Initializes a standard VBL
 
        PA_Init8bitBg(0, 3);     // Init a 16 bit Bg on screen 0
    PA_Init8bitBg(1, 3);     // Init a 8 bit Bg on screen 1   
 
    PA_SetBrightness(0, -31); // all black
    PA_SetBrightness(1, -31); // all black   
 
    // Load splash while hidden
    PA_LoadGif(    1, (void*)compo_top); // Gif File
    PA_LoadGif(    0, (void*)compo_bottom); // Gif File
 
    s8 i;
    // Transition to normal visible background
    for(i = -31; i <= 0; i++){
        PA_SetBrightness(0, i);
        PA_SetBrightness(1, i);
        PA_WaitForVBL();          
    }  
 
    s16 time = 180; // 180 frames = 3 seconds
    while(time && (!Pad.Newpress.Anykey) && (!Stylus.Newpress)){ // Display until time over or keys pressed
        time--; // time goes by
        PA_WaitForVBL();
    }       
 
    // Transition to black
 for(i = 0; i > -32; --){
        PA_SetBrightness(0, i);
        PA_SetBrightness(1, i);
        PA_WaitForVBL();         
    }
 
    // Now that it's all black, clean all that and you're ready to go !
    PA_ResetBgSys();
    PA_SetBrightness(0, 0); // normal
    PA_SetBrightness(1, 0); // normal
    // Aqui pondremos temporalmente una imagen
    PA_InitText(1, 0);
    PA_SetBrightness(0, 31);
    PA_Init8bitBg(0, 3);
    PA_LoadGif(0, (void*)test);
    irqSet(IRQ_HBLANK, HBL_function);
    irqEnable(IRQ_HBLANK);
    u8 i;
    level = 0;
    while(1){
    PA_WaitForVBL();        
    }       
 
    return 0;
}