On the Subject of Gaming the Gamepad

Oh, the layout of the buttons on this thing takes me back to my childhood! Except I didn't expect to see that on a time bomb, even. Play time is over, I suppose.

serial number odd: AB y ≠ 7n: B x = c × d: A

unlit SND: AB no batteries: BB

x-0-1-2-3-4-5-6-7-8-9
0- 
A
 
A
  
ABA
 
AB
A
1-  
AB
A
  
AB
A
 
A
  
ABA
2- 
AB
A
  
AB
A
A
 
AB
A
    
3-  
ABA
 
AB
A
  
AB
A
A
 
AB
A
4-  
   
ABA
 
AB
A
   
AB
A
  
A
5- 
AB
A
  
  
ABA
 
A
  
AB
A
  
AB
6-
A
 
AB
A
  
A
A
   
ABA
 
AB
A
7-    
AB
A
 
AB
A
   
  
AB
   
ABA
8- 
AB
A
    
AB
A
A
 
AB
A
   
9-  
ABA
    
AB
 
AB
A
  
AB
A
A
  
AB
A

Stereo RCA: A lit FRQ: BA x ≠ 7n: A

y = a × b: A PS/2: BBB ≥2b: AA

y-0-1-2-3-4-5-6-7-8-9
0- 
B
 
B
BA
B
 
B
1-
BA
   
BA
  
BBB
B
BA
2-    
BAB
     
BA
B
 
B
BA
  
BBB
    
BA
3-
BA
B
   
BA
   
BBB
 
B
BA
  
BBB
4-
B
BA
   
BA
   
BAB
BA
B
  
B
5-
BA
   
BBB
    
BA
BA
  
BBB
B
   
BA
6-    
BAB
 
BA
   
BBB
B
    
BAB
BA
   
BA
   
7-
BA
B
BA
  
BBB
    
BA
    
BA
BA
8-
B
 
B
BA
      
    
BAB
BA
  
BBB
B
9-
BA
   
BBB
    
BA
    
BA
   
BBB
B
BA
  
BBB

Global overrides

  • x = 11n ⇒ switch 1st/2nd and 5th/7th
  • a = 1 + d ⇒ switch the 3rd/4th and 6th/8th
  • either x or y is highly composite ⇒ switch order of subcommands
  • x and y are both perfect squares ⇒ flip sequence