The MAME control keys are by default assigned to the "A" and "B" inputs.

INPUT

 PRESET CODES

NORMAL CODES

CODES WITH SHIFT
(hold 1 player start)
COIN 1 5
COIN 2 6
START 1 1
START 2 2 ESC
1 RIGHT R arrow Tab
1 LEFT L arrow Enter
1 UP U arrow Tilde(adj volume, gamma, etc )
1 DOWN D arrow P (pause)
1 SW 1 L-ctrl 5 (Coin A)
1 SW 2 L-alt
1 SW 3 space
1 SW 4 L-shift
1 SW 5 Z
1 SW 6 X
1 SW 7 C
1 SW 8 V
1A P
1B ENTER
START 1 1
START 2 2 Esc
2 RIGHT G
2 LEFT D
2 UP R
2 DOWN F
2 SW 1 A
2 SW 2 S
2 SW 3 Q
2 SW 4 W
2 SW 5 I
2 SW 6 K
2 SW 8 L
2 A TAB
2 B ESC
THE FOLLOWING CODES FOR THE I-PAC4 ONLY
COIN 3 7  
COIN 4 8  
START 3 3  
START 4 4  
3 RIGHT L  
3 LEFT J  
3 UP I  
3 DOWN K  
3 SW 1 R-CTRL  
3 SW 2 R-SHIFT  
3 SW 3 ENTER  
3 SW 4 O  
3 SW 5    
3 SW 6    
3 SW 7    
3 SW 8    
4 RIGHT U  
4 LEFT V  
4 UP Y  
4 DOWN N  
4 SW 1 B  
4 SW 2 E  
4 SW 3 H  
4 SW 4 M  
4 SW 5    
4 SW 6    
4 SW 7    
4 SW 8    

 

Credit cards