Mine

// PSP Space Invaders
// by JumpR
#include <oslib/oslib.h>
PSP_MODULE_INFO("PSP Space Invaders", 0, 1, 1);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);
OSL_IMAGE *player;
int main()
{
	oslInit(0);
	oslInitGfx(OSL_PF_8888, 1);
	player = oslLoadImageFile("player.png", OSL_IN_RAM, OSL_PF_5551);
	if (!player){
		oslDebug("Some files seem to be missing, can't continue.");
	}
	player->x = 6;
	player->y = 250;
	while (!osl_quit)
    {
        oslStartDrawing();
        oslReadKeys();
        if (osl_keys->held.left) player->x -= 2;
        if (osl_keys->held.right) player->x += 2;
        oslDrawImage(player);
        oslEndDrawing();
        oslSyncFrame();        
    }
    oslEndGfx();
    oslQuit();
	return 0;
}