Dian Shi Ma Li

Although this game has disclaimer at the title screen FOR AMUSEMENT ONLY, there are some unused maintenance screens inside which usually meant to be used in real coin-op machines to control or adjust statistics and parameters of luck, the main evidence that this game were designed initially for gambling. There are some RAM addresses that controls the special screens, which is described in the table below. At the title screen, set any of it to the non-zer value and wait for the demo sequence to enable the corresponding screen.
$0493 - The overall game statistics screen.
$04A2 - The DIP SWITCHES screen.