Some codes

[MathUser]

These are for Double Dragon 2 for NES with FCEUXD.

Enemies don't fight back or fall over
Note:They dont die unless left alone.
00C9 02
00CA 02

Move during Screen Freezes at the end of level
Note:Turn off on moving sidewalk screen
0036 00

[Ace]

Added these.

[MathUser]

This one's for Shockwave for NES:

Infinite Lives:
00C7:09

This is for Silent Assault for NES:

Infinite Energy:
002C:06

[MathUser]

This is for Space Invaders for NES

Infinite Lives P1:
0029:09

Infinite Lives P2:
002A:09

[Unicode]

Added.

[MathUser]

Here's some codes for Xybots (Prototype) for NES:

Inf Energy P1:
0192:FF
Inf Energy P2:
0193:FF
Inf Keys P1:
0196:09
Inf Keys P2:
0197:09
Inf Money P1:
0194:FF
Inf Money P2:
0195:FF

Feel free to add these to Unicode. And thanks.