ARCADE ROMS

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Below is a table representhing the roms for Contra (Japan bootleg) 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.

contra
Contra (US)
 
CPU1 chips:

633e03.18a
8x32kbits
0x20000 ->


633e02.17a
8x64kbits
0x10000 ->

 
CPU2 chips:

633e01.12a
8x32kbits
0x08000 ->

 
GFX1 chips:

633e04.7d
8x256kbits
0x00000 ->


633e05.7f
8x256kbits
0x00001 ->

 
GFX2 chips:

633e06.16d
8x256kbits
0x00000 ->


633e07.16f
8x256kbits
0x00001 ->

 
PROMS chips:

633e08.10g
8x256bits
0x0000 ->


633e09.12g
8x256bits
0x0100 ->


633f10.18g
8x256bits
0x0200 ->


633f11.20g
8x256bits
0x0300 ->

 
contrab
Contra (US bootleg)
 
CPU1 chips:

contra.20
8x32kbits
0x20000 ->


633e02.17a
8x64kbits
0x10000 ->

 
CPU2 chips:

633e01.12a
8x32kbits
0x08000 ->

 
GFX1 chips:

633e04.7d
8x256kbits
0x00000 ->


633e05.7f
8x256kbits
0x00001 ->

 
GFX2 chips:

633e06.16d
8x256kbits
0x00000 ->


633e07.16f
8x256kbits
0x00001 ->

 
PROMS chips:

633e08.10g
8x256bits
0x0000 ->


633e09.12g
8x256bits
0x0100 ->


633f10.18g
8x256bits
0x0200 ->


633f11.20g
8x256bits
0x0300 ->


conprom.53
8x256bits
0x0400 ->

 
contraj
Contra (Japan)
 
CPU1 chips:

633n03.18a
8x32kbits
0x20000 ->


633k02.17a
8x64kbits
0x10000 ->

 
CPU2 chips:

633e01.12a
8x32kbits
0x08000 ->

 
GFX1 chips:

633e04.7d
8x256kbits
0x00000 ->


633e05.7f
8x256kbits
0x00001 ->

 
GFX2 chips:

633e06.16d
8x256kbits
0x00000 ->


633e07.16f
8x256kbits
0x00001 ->

 
PROMS chips:

633e08.10g
8x256bits
0x0000 ->


633e09.12g
8x256bits
0x0100 ->


633f10.18g
8x256bits
0x0200 ->


633f11.20g
8x256bits
0x0300 ->

 
contrajb
Contra (Japan bootleg)
 
CPU1 chips:

g-2.rom
8x32kbits
0x20000 ->


633k02.17a
8x64kbits
0x10000 ->

 
CPU2 chips:

633e01.12a
8x32kbits
0x08000 ->

 
GFX1 chips:

633e04.7d
8x256kbits
0x00000 ->


633e05.7f
8x256kbits
0x00001 ->

 
GFX2 chips:

633e06.16d
8x256kbits
0x00000 ->


633e07.16f
8x256kbits
0x00001 ->

 
PROMS chips:

633e08.10g
8x256bits
0x0000 ->


633e09.12g
8x256bits
0x0100 ->


633f10.18g
8x256bits
0x0200 ->


633f11.20g
8x256bits
0x0300 ->

 
gryzor
Gryzor
 
CPU1 chips:

g2
8x32kbits
0x20000 ->


g3
8x64kbits
0x10000 ->

 
CPU2 chips:

633e01.12a
8x32kbits
0x08000 ->

 
GFX1 chips:

633e04.7d
8x256kbits
0x00000 ->


633e05.7f
8x256kbits
0x00001 ->

 
GFX2 chips:

633e06.16d
8x256kbits
0x00000 ->


633e07.16f
8x256kbits
0x00001 ->

 
PROMS chips:

633e08.10g
8x256bits
0x0000 ->


633e09.12g
8x256bits
0x0100 ->


633f10.18g
8x256bits
0x0200 ->


633f11.20g
8x256bits
0x0300 ->