-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
+static char *interpret_move(game_state *state, game_ui *ui, const game_drawstate *ds,
int square;
draw_rect(dr, 0, 0, XSIZE(GRID_SCALE, bb, state->solid),
int square;
draw_rect(dr, 0, 0, XSIZE(GRID_SCALE, bb, state->solid),
FALSE, FALSE, game_print_size, game_print,
TRUE, /* wants_statusbar */
FALSE, game_timing_state,
FALSE, FALSE, game_print_size, game_print,
TRUE, /* wants_statusbar */
FALSE, game_timing_state,