Bomb Jack (Arcade)

Bomb Jack do's and don'ts.

DO: DON'T:
 * Collect and destroy bombs.
 * Avoid enemies with your jumping prowess.
 * Obtain bonus items and lit bombs for extra points.
 * Bomb Jack.

Bonus Life Dip Switch
SW1, 2, and 3 of Dip Switch 2 are normally unused, and the service manual says as much. However, they were originally used for a Bonus Life setting. A routine starting at handles the bonus life system, but the first opcode of that routine was changed from a "push af" to a "ret", effectively negating the process.

To re-enable this feature, change the value at from  to, or put the following cheat in MAME's bombjack.xml cheat file:  maincpu.mw@5A06=E5C9

Revision Differences
The extra credit message was corrected in the next board revision.