Codes
Super Street Fighter 2 Turbo

Go To SSF2T at Capcom Classic Collection Menu Then Start The Game And Enter These Following Code:
Code .................................. Effect
LP , DOWN , UP 2 TIMES , DOWN , LP .... Old BISON.
LP, UP 2 TIMES , DOWN 2 TIMES , LP .... Old CAMMY.
LP , DOWN 3 TIMES , UP , LP ........... Old CHUN LI.
LP , DOWN 2 TIMES , UP 2 TIMES , LP ... Old DEE JAY.
LP , DOWN , UP 3 TIMES , LP ........... Old DHALSIM.
LP , LEFT 2 TIMES , RIGHT 2 TIMES , LP Old FEI LONG.
LP , UP , DOWN 3 TIMES , LP ........... Old GUILE.
LP, UP 3 TIMES , DOWN , LP ............ Old HONDA.
LP , RIGHT 3 TIMES , LEFT , LP ........ Old RYU.
LP, LEFT , RIGHT 2 TIMES , LEFT , LP .. Old VEGA.
LP , LEFT , RIGHT 3 TIMES , LP ........ Old ZANGIEF.
LP , BACK 3 Times , Forward , LP ...... Unlock Old KEN.
LP , UP , DOWN 2 Times , UP , LP ...... Unlock Old SAGAT.