static int playfield_scan_delta_y = 1;
#define SCAN_PLAYFIELD(x, y) for ((y) = playfield_scan_start_y; \
- (y) >= 0 && (y) <= lev_fieldy; \
+ (y) >= 0 && (y) <= lev_fieldy - 1; \
(y) += playfield_scan_delta_y) \
for ((x) = playfield_scan_start_x; \
- (x) >= 0 && (x) <= lev_fieldx; \
+ (x) >= 0 && (x) <= lev_fieldx - 1; \
(x) += playfield_scan_delta_x) \
static void InitPlayfieldScanModeVars()