+ int bd_cycle_delay_ms; // BD game cycle delay (in milliseconds)
+ int bd_cycle_delay_c64; // BD game cycle delay (in C64 game units)
+ int bd_hatching_delay_cycles; // BD hatching delay (in game cycles)
+ int bd_hatching_delay_seconds; // BD hatching delay (in seconds)
+ int bd_scheduling_type; // BD engine scheduling type
+ boolean bd_pal_timing; // BD engine uses special PAL timing
+ boolean bd_line_shifting_borders; // BD engine uses line-shifting wrap-around
+ boolean bd_wraparound_objects; // BD cave object rendering uses wrap-around
+ boolean bd_scan_first_and_last_row; // BD engine scans top and bottom border rows
+ boolean bd_short_explosions; // BD engine uses four game cycles for explosions
+ boolean bd_gravity_affects_all; // BD engine gravity affects all falling objects
+ boolean bd_intermission; // BD level is intermission
+ boolean bd_diagonal_movements; // BD style diagonal movements
+ boolean bd_topmost_player_active; // BD engine uses first player found on playfield
+ int bd_pushing_prob; // BD player probability to push rocks
+ int bd_pushing_prob_with_sweet; // BD player probability to push rocks after eating sweet
+ boolean bd_push_mega_rock_with_sweet; // BD player can push mega rocks after eating sweet