Tetris Rom Mame -

: The rotation logic is stored in data tables within the ROM. Modifying these requires identifying the table offsets to change how the piece behaves when you press the rotate button. Identification Table (Sega Tetris Example) Common Memory Location Long Piece (I) 01 Often found near the "Current Piece" variable Square (O) 02 Used for piece-type identification in code

: You can use the MAME debugger ( -debug ) to find the memory address that stores the "Next Piece" ID and manually freeze it to the value of the long piece. 2. ROM Hacking (Assembly) Tetris Rom Mame

: Look for the subroutine that generates a random number between 0 and 6. : The rotation logic is stored in data tables within the ROM