PM2R_SCISSOR_MODE
pm2_WR(par, PM2R_SCISSOR_MODE, 1);
pm2_WR(par, PM2R_SCISSOR_MODE, 0);
pm2_WR(p, PM2R_SCISSOR_MODE, 0);
pm2_WR(par, PM2R_SCISSOR_MODE, PM2F_SCREEN_SCISSOR_ENABLE);