Bombjack Twin Dip Switch Settings

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The following are the Dip Switch settings based off of MAME 0.180 source code.

Use this information at your own risk! The information was parsed from the MAME source code and could contain errors as to the state, order or descriptions of what the switches do. If you find an error, please let me know on the Contact Us form and I will work on correcting the issue.

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Bombjack Twin

Manufactured by NMK, Released in 1993

ROM Version: Bombjack Twin (prototype? with adult pictures, set 1)

Dip Switch:SW1

1	2	3	4	5	6	7	8	Function	Option
On	On							Lives	1
On	Off								2
Off	Off								3*
Off	On								4

		Off	On					Difficulty	Easy
		On	Off						Hard
		On	On						Hardest
		Off	Off						Normal*

				On	On	On		Starting level	China
				Off	On	Off			England
				Off	On	On			Germany
				On	On	Off			Hong Kong
				Off	Off	Off			Japan*
				On	Off	Off			Korea
				Off	Off	On			Nevada
				On	Off	On			Thailand

							Off	Flip Screen	Off*
							On		On

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
Off	Off	Off						Coin A	1 Coin/1 Credit*
On	Off	Off							1 Coin/2 Credits
Off	On	Off							1 Coin/3 Credits
On	On	Off							1 Coin/4 Credits
Off	Off	On							2 Coins/1 Credit
On	Off	On							3 Coins/1 Credit
Off	On	On							4 Coins/1 Credit
On	On	On							Free Play

			Off	Off	Off			Coin B	1 Coin/1 Credit*
			On	Off	Off				1 Coin/2 Credits
			Off	On	Off				1 Coin/3 Credits
			On	On	Off				1 Coin/4 Credits
			Off	Off	On				2 Coins/1 Credit
			On	Off	On				3 Coins/1 Credit
			Off	On	On				4 Coins/1 Credit
			On	On	On				Free Play

						On		Demo Sounds	Off
						Off			On*

							Off	Unknown	Off*
							On		On

ROM Version: Bombjack Twin (prototype? with adult pictures, set 2)

Dip Switch:SW1

1	2	3	4	5	6	7	8	Function	Option
On	On							Lives	1
On	Off								2
Off	Off								3*
Off	On								4

		Off	On					Difficulty	Easy
		On	Off						Hard
		On	On						Hardest
		Off	Off						Normal*

				On	On	On		Starting level	China
				Off	On	Off			England
				Off	On	On			Germany
				On	On	Off			Hong Kong
				Off	Off	Off			Japan*
				On	Off	Off			Korea
				Off	Off	On			Nevada
				On	Off	On			Thailand

							Off	Flip Screen	Off*
							On		On

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
Off	Off	Off						Coin A	1 Coin/1 Credit*
On	Off	Off							1 Coin/2 Credits
Off	On	Off							1 Coin/3 Credits
On	On	Off							1 Coin/4 Credits
Off	Off	On							2 Coins/1 Credit
On	Off	On							3 Coins/1 Credit
Off	On	On							4 Coins/1 Credit
On	On	On							Free Play

			Off	Off	Off			Coin B	1 Coin/1 Credit*
			On	Off	Off				1 Coin/2 Credits
			Off	On	Off				1 Coin/3 Credits
			On	On	Off				1 Coin/4 Credits
			Off	Off	On				2 Coins/1 Credit
			On	Off	On				3 Coins/1 Credit
			Off	On	On				4 Coins/1 Credit
			On	On	On				Free Play

						On		Demo Sounds	Off
						Off			On*

							Off	Unknown	Off*
							On		On

ROM Version: Bombjack Twin (set 1)

Dip Switch:SW1

1	2	3	4	5	6	7	8	Function	Option
On	On							Lives	1
On	Off								2
Off	Off								3*
Off	On								4

		Off	On					Difficulty	Easy
		On	Off						Hard
		On	On						Hardest
		Off	Off						Normal*

				On	On	On		Starting level	China
				Off	On	Off			England
				Off	On	On			Germany
				On	On	Off			Hong Kong
				Off	Off	Off			Japan*
				On	Off	Off			Korea
				Off	Off	On			Nevada
				On	Off	On			Thailand

							Off	Flip Screen	Off*
							On		On

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
Off	Off	Off						Coin A	1 Coin/1 Credit*
On	Off	Off							1 Coin/2 Credits
Off	On	Off							1 Coin/3 Credits
On	On	Off							1 Coin/4 Credits
Off	Off	On							2 Coins/1 Credit
On	Off	On							3 Coins/1 Credit
Off	On	On							4 Coins/1 Credit
On	On	On							Free Play

			Off	Off	Off			Coin B	1 Coin/1 Credit*
			On	Off	Off				1 Coin/2 Credits
			Off	On	Off				1 Coin/3 Credits
			On	On	Off				1 Coin/4 Credits
			Off	Off	On				2 Coins/1 Credit
			On	Off	On				3 Coins/1 Credit
			Off	On	On				4 Coins/1 Credit
			On	On	On				Free Play

						On		Demo Sounds	Off
						Off			On*

							Off	Unknown	Off*
							On		On

ROM Version: Bombjack Twin (set 2)

Dip Switch:SW1

1	2	3	4	5	6	7	8	Function	Option
On	On							Lives	1
On	Off								2
Off	Off								3*
Off	On								4

		Off	On					Difficulty	Easy
		On	Off						Hard
		On	On						Hardest
		Off	Off						Normal*

				On	On	On		Starting level	China
				Off	On	Off			England
				Off	On	On			Germany
				On	On	Off			Hong Kong
				Off	Off	Off			Japan*
				On	Off	Off			Korea
				Off	Off	On			Nevada
				On	Off	On			Thailand

							Off	Flip Screen	Off*
							On		On

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
Off	Off	Off						Coin A	1 Coin/1 Credit*
On	Off	Off							1 Coin/2 Credits
Off	On	Off							1 Coin/3 Credits
On	On	Off							1 Coin/4 Credits
Off	Off	On							2 Coins/1 Credit
On	Off	On							3 Coins/1 Credit
Off	On	On							4 Coins/1 Credit
On	On	On							Free Play

			Off	Off	Off			Coin B	1 Coin/1 Credit*
			On	Off	Off				1 Coin/2 Credits
			Off	On	Off				1 Coin/3 Credits
			On	On	Off				1 Coin/4 Credits
			Off	Off	On				2 Coins/1 Credit
			On	Off	On				3 Coins/1 Credit
			Off	On	On				4 Coins/1 Credit
			On	On	On				Free Play

						On		Demo Sounds	Off
						Off			On*

							Off	Unknown	Off*
							On		On