GXSE8P
Sonic Adventure DX 

Max/Infinite Rings
0274C7A8 000003E7

Infinite Lives
0274C7A4 0000000A

Sonic-Hold Z+A Super Jump
2874C8E0 00000110
0452B074 404CCCCD
E2000001 80008000
2A74C8E0 00000110
0452B074 3F4CCCCD
E2000001 80008000

Tails-Hold Z+A Super Jump
2874C8E0 00000110
0452B264 404CCCCD
E2000001 80008000
2A74C8E0 00000110
0452B264 3F4CCCCD
E2000001 80008000

Hold Y For Turbo
2874C8E0 00000800
04528ECC 3D23D700
E2000001 80008000
2A74C8E0 00000800
04528ECC 3C23D700
E2000001 80008000

All Trial/Sub Games
007AA051 01700001

Have All Characters
007AA452 000B0001
007AA469 00000001