public void handler() {
            sys16_fg_scrollx = sys16_textram.READ_WORD(0x0e98);
            sys16_bg_scrollx = sys16_textram.READ_WORD(0x0e9a);
            sys16_fg_scrolly = sys16_textram.READ_WORD(0x0e90);
            sys16_bg_scrolly = sys16_textram.READ_WORD(0x0e92);

            set_fg_page(sys16_textram.READ_WORD(0x0e80));
            set_bg_page(sys16_textram.READ_WORD(0x0e82));

            set_refresh(sys16_extraram.READ_WORD(0));
        }