NFL Blitz 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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NFL Blitz

Manufactured by Midway Games, Released in 1997

ROM Version: NFL Blitz (boot ROM 1.1)

Dip Switch:DIPS

1	2	3	4	5	6	7	8	Function	Option
								Graphics Mode	0
									3

								Graphics Speed	45 MHz
									47 MHz
									49 MHz

								Joysticks	49-Way

								Graphics Speed	51 MHz*

								Graphics Mode	512x256 @ 15KHz
									512x385 @ 25KHz*

								Joysticks	8-Way*

								Power On Self Test	No*

								Bill Validator	None

								Unknown0200	Off*

								Unknown4000	Off*

								Unknown0800	Off*

								Unknown2000	Off*

								Unknown8000	Off*

								Test Switch	Off*

								Unknown0400	Off*

								Unknown0100	Off*

								Unknown1000	Off*

								Unknown8000	On

								Unknown4000	On

								Unknown1000	On

								Unknown0400	On

								Unknown2000	On

								Unknown0800	On

								Unknown0100	On

								Test Switch	On

								Unknown0200	On

								Bill Validator	One*

								Power On Self Test	Yes

On								Coinage Source	CMOS*
Off									Dipswitch

	Off							Unknown0002	Off*
	On								On

		Off						Unknown0004	Off*
		On							On

			Off					Unknown0008	Off*
			On						On

	On	On	On					Coinage	Free Play
	Off	Off	Off						Mode 1*
	On	On	Off						Mode 2
	On	On	Off						Mode 3
	Off	On	On						Mode 4
	On	Off	Off						Mode ECA
	On	Off	On						Not Used 1
	On	On	Off						Not Used 2

				Off				Unknown0010	Off*
				On					On

					Off			Unknown0020	Off*
					On				On

				On	On			Curency Type	Free Play
				On	Off				French
				Off	On				German
				On	On				Not Used
				Off	Off				USA*

						Off		Unknown0040	Off*

						Off		Unknown	Off

						On		Unknown0040	On

						On		Unknown	On*

							On	Power Up Test Loop	Continuous

							Off	Unknown0080	Off*
							On		On

							Off	Power Up Test Loop	One Time*

ROM Version: NFL Blitz (boot ROM 1.2)

Dip Switch:DIPS

1	2	3	4	5	6	7	8	Function	Option
								Graphics Mode	0
									3

								Graphics Speed	45 MHz
									47 MHz
									49 MHz

								Joysticks	49-Way

								Graphics Speed	51 MHz*

								Graphics Mode	512x256 @ 15KHz
									512x385 @ 25KHz*

								Joysticks	8-Way*

								Power On Self Test	No*

								Bill Validator	None

								Unknown8000	Off*

								Unknown1000	Off*

								Unknown0200	Off*

								Test Switch	Off*

								Unknown0800	Off*

								Unknown0100	Off*

								Unknown0400	Off*

								Unknown2000	Off*

								Unknown4000	Off*

								Unknown8000	On

								Test Switch	On

								Unknown0100	On

								Unknown0400	On

								Unknown0800	On

								Unknown0200	On

								Unknown1000	On

								Unknown2000	On

								Unknown4000	On

								Bill Validator	One*

								Power On Self Test	Yes

On								Coinage Source	CMOS*
Off									Dipswitch

	Off							Unknown0002	Off*
	On								On

		Off						Unknown0004	Off*
		On							On

			Off					Unknown0008	Off*
			On						On

	On	On	On					Coinage	Free Play
	Off	Off	Off						Mode 1*
	On	On	Off						Mode 2
	On	On	Off						Mode 3
	Off	On	On						Mode 4
	On	Off	Off						Mode ECA
	On	Off	On						Not Used 1
	On	On	Off						Not Used 2

				Off				Unknown0010	Off*
				On					On

					Off			Unknown0020	Off*
					On				On

				On	On			Curency Type	Free Play
				On	Off				French
				Off	On				German
				On	On				Not Used
				Off	Off				USA*

						Off		Unknown	Off

						Off		Unknown0040	Off*
						On			On

						On		Unknown	On*

							On	Power Up Test Loop	Continuous

							Off	Unknown0080	Off*
							On		On

							Off	Power Up Test Loop	One Time*