board.h

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#ifndef TETRIS_BOARD_H
#define TETRIS_BOARD_H
 
#include <snes.h>
 
#define BOARD_W   10
#define BOARD_ROWS 24  /* full board: rows 0-23 (0-3 hidden spawn, 4-23 visible) */
#define VISIBLE_TOP 4  /* first visible row (standard 20 visible rows) */
 
typedef struct {
    u8 count;
    u8 rows[4];
} LineClearResult;
 
void boardClear(void);
u8   boardCheckCollision(u8 type, u8 rot, s8 row, s8 col);
void boardLockPiece(u8 type, u8 rot, s8 row, s8 col);
u8   boardFindFullLines(LineClearResult *result);
void boardRemoveLines(LineClearResult *result);
u8   boardGetCell(u8 row, u8 col);
 
#endif /* TETRIS_BOARD_H */