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-	A◀B▶	▲▲▼▼	▲A◀◀	▲▲▼▼	▶AB▲	▼◀A▶	▶▶A▼	▲▲▼▼	ABA▶	▲▲▼▼
2-	▶AB▲	▼◀A▶	A◀B▶	▲▲▼▼	▲A◀◀	▼◀A▶	▶AB▲	▼◀A▶	▼▼◀▲	▲▲▼▼
3-	ABA▶	▲▲▼▼	▶AB▲	▼◀A▶	A◀B▶	▼◀A▶	▲A◀◀	▲▲▼▼	▶AB▲	▼◀A▶
4-	▼▼◀▲	▲▲▼▼	ABA▶	▲▲▼▼	▶AB▲	▼◀A▶	A◀B▶	▲▲▼▼	▲A◀◀	▶▶A▼
5-	▶AB▲	▼◀A▶	▼▼◀▲	▲▲▼▼	ABA▶	▼◀A▶	▶AB▲	▼◀A▶	A◀B▶	▲▲▼▼
6-	▲A◀◀	▲▲▼▼	▶AB▲	▼◀A▶	▶▶A▼	▼◀A▶	ABA▶	▲▲▼▼	▶AB▲	▼◀A▶
7-	A◀B▶	▲▲▼▼	▲A◀◀	▲▲▼▼	▶AB▲	▼◀A▶	▼▼◀▲	▶AB▲	ABA▶	▲▲▼▼
8-	▶AB▲	▼◀A▶	A◀B▶	▲▲▼▼	▲A◀◀	▼◀A▶	▶AB▲	▼◀A▶	▼▼◀▲	▲▲▼▼
9-	ABA▶	A◀B▶	▶AB▲	▼◀A▶	A◀B▶	▼◀A▶	▲A◀◀	▲▲▼▼	▶AB▲	▼◀A▶

Stereo RCA: ▶A▼▼ lit FRQ: B▲▶A 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▶	◀▶◀▶	B▲▶A	◀▶◀▶	▼▶B▲	▲▼B▶
1-	B▲▶A	◀▶◀▶	▶▲▲◀	◀▶◀▶	B▲▶A	▲BBB	▼▶B▲	◀▶◀▶	B▲▶A	◀▶◀▶
2-	BAB◀	▶▲▲◀	B▲▶A	◀▶◀▶	▼▶B▲	▲▼B▶	B▲▶A	▲BBB	B▲A▼	◀▶◀▶
3-	B▲▶A	◀▶◀▶	▼▶B▲	▶▲▲◀	B▲▶A	▲BBB	▲▼B▶	◀▶◀▶	B▲▶A	▲BBB
4-	▼▶B▲	◀▶◀▶	B▲▶A	◀▶◀▶	B▲A▼	BAB◀	B▲▶A	◀▶◀▶	▼▶B▲	▲▼B▶
5-	B▲▶A	▲BBB	B▲A▼	◀▶◀▶	B▲▶A	▲BBB	▼▶B▲	▶▲▲◀	B▲▶A	◀▶◀▶
6-	BAB◀	◀▶◀▶	B▲▶A	▲BBB	▼▶B▲	BAB◀	B▲▶A	◀▶◀▶	B▲A▼	▶▲▲◀
7-	B▲▶A	◀▶◀▶	▼▶B▲	◀▶◀▶	B▲▶A	▲BBB	B▲A▼	B▲A▼	B▲▶A	◀▶◀▶
8-	▼▶B▲	▲▼B▶	B▲▶A	◀▶◀▶	▶▲▲◀	BAB◀	B▲▶A	▲BBB	▼▶B▲	◀▶◀▶
9-	B▲▶A	▲BBB	B▲A▼	▶▲▲◀	B▲▶A	▲BBB	▼▶B▲	◀▶◀▶	B▲▶A	▲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