Mahjong If...? [BET] 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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Mahjong If...? [BET]

Manufactured by Dynax, Released in 1990

ROM Version: Mahjong If...? [BET]

Dip Switch:DSW3

1	2	3	4	5	6	7	8	Function	Option
Off								Unknown 3-0	Off*
On									On

	Off							Unknown 3-1	Off*
	On								On

		Off						F-Rate	Off*
		On							On

			Off					Unknown 3-3	Off*
			On						On

				Off				Bye-Byte Bonus	Off*
				On					On

					Off			Unknown 3-5	Off*
					On				On

						Off		Auto-Mode After Reached	Off*
						On			On

							Off	Background Color	Black*
							On		Blue

Dip Switch:DSW4

1	2	3	4	5	6	7	8	Function	Option
Off								Unknown 4-0	Off*
On									On

	Off							Unknown 4-1	Off*
	On								On

		Off						Unknown 4-2	Off*
		On							On

			Off					Flip-Flop	Off*
			On						On

				On				Demo Sounds	Off
				Off					On*

					Off			Flip Screen	Off*
					On				On

						Off		Animation	Off*
						On			On

							Off	Full Tests	Off*
							On		On

Dip Switch:PORT3_5

1	2	3	4	5	6	7	8	Function	Option
On	On	On	On					Pay Out Rate	50%
Off	On	On	On						53%
On	Off	On	On						56%
Off	Off	On	On						59%
On	On	Off	On						62%
Off	On	Off	On						65%
On	Off	Off	On						68%
Off	Off	Off	On						71%*
On	On	On	Off						75%
Off	On	On	Off						78%
On	Off	On	Off						81%
Off	Off	On	Off						84%
On	On	Off	Off						87%
Off	On	Off	Off						90%
On	Off	Off	Off						93%
Off	Off	Off	Off						96%

				Off	Off			Maximum Bet	1
				Off	On				10
				On	On				20*
				On	Off				5

						Off	Off	Unknown	1*
						On	Off		2
						Off	On		3
						On	On		4

Dip Switch:PORT6_7

1	2	3	4	5	6	7	8	Function	Option
Off	On							Winnings	100 50 25 10 5 3 2 1
On	Off								200 100 50 10 5 3 2 1
Off	Off								32 24 16 12 8 4 2 1*
On	On								50 30 15 8 5 3 2 1

		On						Credits Per Note	10
		Off							5*

			On	Off	Off			YAKUMAN Bonus	1 T
			On	Off	On				1000
			Off	On	On				1000?
			On	On	On				1000?
			Off	On	Off				300
			On	On	Off				500
			Off	Off	On				700
			Off	Off	Off				Cut*

						On		Unknown	1
						Off			2*
							On		1/4
							Off		2/4*

ROM Version: Mahjong If...? [BET](2921)

Dip Switch:DSW3

1	2	3	4	5	6	7	8	Function	Option
Off								Unknown 3-0	Off*
On									On

	Off							Unknown 3-1	Off*
	On								On

		Off						F-Rate	Off*
		On							On

			Off					Unknown 3-3	Off*
			On						On

				Off				Bye-Byte Bonus	Off*
				On					On

					Off			Unknown 3-5	Off*
					On				On

						Off		Auto-Mode After Reached	Off*
						On			On

							Off	Background Color	Black*
							On		Blue

Dip Switch:DSW4

1	2	3	4	5	6	7	8	Function	Option
Off								Unknown 4-0	Off*
On									On

	Off							Unknown 4-1	Off*
	On								On

		Off						Unknown 4-2	Off*
		On							On

			Off					Flip-Flop	Off*
			On						On

				On				Demo Sounds	Off
				Off					On*

					Off			Flip Screen	Off*
					On				On

						Off		Animation	Off*
						On			On

							Off	Full Tests	Off*
							On		On

Dip Switch:PORT3_5

1	2	3	4	5	6	7	8	Function	Option
On	On	On	On					Pay Out Rate	50%
Off	On	On	On						53%
On	Off	On	On						56%
Off	Off	On	On						59%
On	On	Off	On						62%
Off	On	Off	On						65%
On	Off	Off	On						68%
Off	Off	Off	On						71%*
On	On	On	Off						75%
Off	On	On	Off						78%
On	Off	On	Off						81%
Off	Off	On	Off						84%
On	On	Off	Off						87%
Off	On	Off	Off						90%
On	Off	Off	Off						93%
Off	Off	Off	Off						96%

				Off	Off			Maximum Bet	1
				Off	On				10
				On	On				20*
				On	Off				5

						Off	Off	Unknown	1*
						On	Off		2
						Off	On		3
						On	On		4

Dip Switch:PORT6_7

1	2	3	4	5	6	7	8	Function	Option
Off	On							Winnings	100 50 25 10 5 3 2 1
On	Off								200 100 50 10 5 3 2 1
Off	Off								32 24 16 12 8 4 2 1*
On	On								50 30 15 8 5 3 2 1

		On						Credits Per Note	10
		Off							5*

			On	Off	Off			YAKUMAN Bonus	1 T
			On	Off	On				1000
			Off	On	On				1000?
			On	On	On				1000?
			Off	On	Off				300
			On	On	Off				500
			Off	Off	On				700
			Off	Off	Off				Cut*

						On		Unknown	1
						Off			2*
							On		1/4
							Off		2/4*

ROM Version: Mahjong If...? [BET](2931)

Dip Switch:DSW3

1	2	3	4	5	6	7	8	Function	Option
Off								Unknown 3-0	Off*
On									On

	Off							Unknown 3-1	Off*
	On								On

		Off						F-Rate	Off*
		On							On

			Off					Unknown 3-3	Off*
			On						On

				Off				Bye-Byte Bonus	Off*
				On					On

					Off			Unknown 3-5	Off*
					On				On

						Off		Auto-Mode After Reached	Off*
						On			On

							Off	Background Color	Black*
							On		Blue

Dip Switch:DSW4

1	2	3	4	5	6	7	8	Function	Option
Off								Unknown 4-0	Off*
On									On

	Off							Unknown 4-1	Off*
	On								On

		Off						Unknown 4-2	Off*
		On							On

			Off					Flip-Flop	Off*
			On						On

				On				Demo Sounds	Off
				Off					On*

					Off			Flip Screen	Off*
					On				On

						Off		Animation	Off*
						On			On

							Off	Full Tests	Off*
							On		On

Dip Switch:PORT3_5

1	2	3	4	5	6	7	8	Function	Option
On	On	On	On					Pay Out Rate	50%
Off	On	On	On						53%
On	Off	On	On						56%
Off	Off	On	On						59%
On	On	Off	On						62%
Off	On	Off	On						65%
On	Off	Off	On						68%
Off	Off	Off	On						71%*
On	On	On	Off						75%
Off	On	On	Off						78%
On	Off	On	Off						81%
Off	Off	On	Off						84%
On	On	Off	Off						87%
Off	On	Off	Off						90%
On	Off	Off	Off						93%
Off	Off	Off	Off						96%

				Off	Off			Maximum Bet	1
				Off	On				10
				On	On				20*
				On	Off				5

						Off	Off	Unknown	1*
						On	Off		2
						Off	On		3
						On	On		4

Dip Switch:PORT6_7

1	2	3	4	5	6	7	8	Function	Option
Off	On							Winnings	100 50 25 10 5 3 2 1
On	Off								200 100 50 10 5 3 2 1
Off	Off								32 24 16 12 8 4 2 1*
On	On								50 30 15 8 5 3 2 1

		On						Credits Per Note	10
		Off							5*

			On	Off	Off			YAKUMAN Bonus	1 T
			On	Off	On				1000
			Off	On	On				1000?
			On	On	On				1000?
			Off	On	Off				300
			On	On	Off				500
			Off	Off	On				700
			Off	Off	Off				Cut*

						On		Unknown	1
						Off			2*
							On		1/4
							Off		2/4*