ARCADE ROMS

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Below is a table representhing the roms for Big Twin and its clones (if any). Red roms are similar between all versions but green roms differ, which means that if you wish to change the game's region or language, it may be possible make the change simply by reprogramming fresh roms with other version's contents.

Note that the rom information displayed here is automatically parsed from Multiple Arcade Machine Emulator (www.mame.net) C source code, so some of it can be incorrect. However, if you notice that some parts of the data are constantly incorrectly displayed in more than one game, please contact me so that I can fix the problem.

You might also be interested in this game's dip switches.

bigtwin Big Twin   CPU1 chips: 2.302 8x512kbits 0x000000 -> 3.301 8x512kbits 0x000001 ->   USER1 chips: 16c57hs.015 8x11.32421875kbits 0x0000 ->   GFX1 chips: 4.311 8x256kbits 0x00000 -> 5.312 8x256kbits 0x40000 -> 6.313 8x256kbits 0x80000 -> 7.314 8x256kbits 0xc0000 ->   GFX2 chips: 8.321 8x128kbits 0x00000 -> 9.322 8x128kbits 0x20000 -> 10.323 8x128kbits 0x40000 -> 11.324 8x128kbits 0x60000 ->   SOUND1 chips: 1.013 8x256kbits 0x00000 ->