All-Star Tennis '99

1. P1 Press L For P1 Score Modifier
a. D016E1D1 0020
b. 801C7260 00XX

2. P1 Press R For P2 Score Modifier
a. D016E1D1 0010
b. 801C7261 00XX

3. P2 Press L For P1 Score Modifier
a. D016E1D7 0020
b. 801C7260 00XX

4. P2 Press L For P1 Score Modifier
a. D016E1D7 0010
b. 801C7261 00XX

Replace XX with:
00 0
15 15
30 30
40 40

Stats Modifier Codes
5. 811687B2 ???? Aces Modifier P1
6. 811687B4 ???? Aces Modifier P2
7. 8116E296 ???? Double Faults Modifier P1
8. 8116E298 ???? Double Faults Modifier P2
9. 81147C58 ???? Points Won Modifier P1
10. 81147C5A ???? Points Won Modifier P2
11. 81167388 ???? Fastest Serve Modifier P1
12. 8116738A ???? Fastest Serve Modifier P2
13. 801BBFA2 00?? Games Won Modifier P1
14. 801BBFA3 00?? Games Won Modifier P2