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