Neo-Geo Big List of Debug Dipswitches

Big Neo-Geo Debug Dipswitches List:

Art of Fighting
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1-1 Player 1 controls CPU.
1-2 Same as above
1-3 Useless stat boxes
1-4 Play during "How to Play" screen
1-5 Vs. mode collision detection boxes (press Start)
1-6 Both players are invincible
1-7 Unknown
1-8 Press Start during fight to skip to next fight

2-1 Slow mode
2-2 Slower mode (combine with prior code for super slow)
2-3 Clean paused game screen
2-4 Press Select for RGB test palette
2-5 Unknown
2-6 Unknown
2-7 Stop timer
2-8 Pal Mode

Art of Fighting 2
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1-1 P1 is CPU (play Geese if you load Special Stage)
1-2 P2 is CPU
1-3 Press select for data display
1-4 P2 No KO (also play behind how to play screen)
1-5 Unknown
1-6 Invincible CPU
1-7 Numeric display for each player?
1-8 Unknown

2-1 Slower game
2-2 Even Slower game
2-3 Pause without Pause Display
2-4 Press Select for Sound Test (w/2-3 RGB Test)
2-5 Unknown
2-6 Skip to ending
2-7 Freeze timer
2-8 Toggle PAL mode
2-4 + 2-3 Press select for RGB test pallete

Art of Fighting 3
---------------------
1-1 Unknown
1-2 P1 & P2 take no damage
1-3 Unknown
1-4 Unknown
1-5 Unknown
1-6 Practice mode? Must be on before match starts
1-7 Unknown
1-8 Unlock Sinclair and Wyler

2-1 Player 1 is CPU controlled?
2-2 Player 2 is CPU controlled? (if 2-8 is on, P1 is CPU instead. P2 doesn't move)
2-3 Displays "W!" at the top of the screen
2-4 Players are invincible
2-5 Unknown
2-6 Unknown
2-7 "Random Mode" displayed
2-8 Total Round Display

Fatal Fury 3
---------------------
1-1 PAL mode
1-2 Both players are invincible
1-3 Unlimited time; secret character selectable
1-4 Set before character selection screen; unlock Ryo; CPU opponent selectable
1-5 View selected vs. character's ending
1-6 Take selected character to dream match
1-7 Message screen; use controller one
1-8 Sprite viewer; press Select on controller one, use controller two to view

2-1 Sprite character grids
2-2 Sprite distance grids
2-3 Unknown
2-4 Unknown
2-5 Press A + B + C + D to set opponent's life to minimum
2-6 Sprite location information
2-7 Unknown
2-8 Stage selection screen
1-4 + 1-5 View all character's endings

King of Fighters 2003
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1:1 Unknown (w/1:3 Anim viewer)
1:2 Messes with the palettes for the lifebars after Coin/Select is pressed. Use A/B/C/D to scroll through.
1:3 Text viewer. Pretty nice. Press Coin/Select to view. A/B/C/D to scroll.
1:4 CLSN viewer.
1:5 Unknown
1:6 Invincibility for both players.
1:7 Invincibility for Player 1.
1:8 Unknown

2:1 Unknown
2:2 Unknown
2:3 Shows commands on screen. Looks like something that was left out of Practice mode.
2:4 Shows what appears to be a chart for the axis values and changes for Players 1 and 2.
2:5 Unknown
2:6 Unknown
2:7 Unknown
2:8 Unknown

Samurai Shodown
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1-1 Unknown
1-2 Press Pause to display red Hex Stats menu
1-3 Slow motion
1-4 Glitched graphics with small bar of background image hovering over characters until new match starts or game is reset.
1-5 Both characters invincible, weapons appear and disappear randomly during match.
1-6 Sprite coordinates displayed as hex values
1-7 Unknown
1-8 Pal Mode

2-1 Press Select to display "Special Key Edit" menu
2-2 Color edit
2-3 Unknown
2-4 Set at character selection screen. Choose any character and win one round. Player will then fight as Amakusa. Game will glitch at "confrontation" intermission. Change error setting to "Run" and press C followed by A to skip ahead and avoid freezing the game.
2-5 Animation test; CPU player will freeze and "PACK=000" will be displayed below player two's life bar. Change this value and press A to force the CPU character to go through various motions. If the game is continued in this mode, the CPU will be unable to attack, but will block frequently and may be thrown.
2-6 Both characters invincible with disabled timer
2-7 Display attack stats that lists character's attributes
2-8 Timer counts down to 98 and stops

SNK vs Capcom Chaos
---------------------
1:1 Anim Viewer
1:2 CLSN Viewer
1:3 Appears to be Vels and Axis. Not really sure. Also freezes the timer.
1:4 Menu to adjust vels, and random things in game.
1:5 Unknown
1:6 Invincibility, both players.
1:7 Unknown
1:8 Unknown

2:1 Unknown
2:2 Unknown
2:3 Data Menu
2:4 Unknown
2:5 Sound Display
2:6 Unknown
2:7 Unknown
2:8 Unknown

Note: Collected together by Ne7 from various sources... I'll keep adding to this page as I find them, do add your own finds! :)

See also http://www.neo-geo.com/snk/dipcodes/dipcodes.html