#include <pspkernel.h>
#include <pspdisplay.h>
#include <pspdebug.h>
#include <pspctrl.h>
 
#define printf pspDebugScreenPrintf
 
PSP_MODULE_INFO("Prueba", 0, 1, 1); 
 
int num1 = 0;
int num2 = 0;
 
SceCtrlData pad;
 
int main() {
pspDebugScreenInit();
 
	while(1)
		{
	sceCtrlReadBufferPositive(&pad, 1);
 
		pspDebugScreenClear();
 
 
			if(pad.Buttons & PSP_CTRL_UP) {
			num1++;
			}
			if(pad.Buttons & PSP_CTRL_DOWN) {
			num1--;
			}
			if(pad.Buttons & PSP_CTRL_TRIANGLE) {
			num2++;
			}
			if(pad.Buttons & PSP_CTRL_CROSS) {
			num2--;
			}
          printf("%d + %d = %d",num1,num2,num1 + num2);
} 	
return 0;
}