[From MAX-CHEATS.com by optantic for ACA NEOGEO METAL SLUG 1.0.1]

[P1 Infinite Lives]
01000000 0125017e 00000009

[P1 Infinite Ammo]
02000000 012502ca 0000ffff

[P1 Infinite Bombs]
01000000 012502c9 000000ff

[P2 Infinite Lives]
01000000 0125021e 00000009

[P2 Infinite Ammo]
02000000 0125036a 0000ffff

[P2 Infinite Bombs]
01000000 01250369 000000ff