Is there cheats for GTASan Andreas?

there are lots of cheats and the website that give gta cheats are:http://uk.gamespot.com/ps2/action/gta4/hints.html

here are some cheats
jetpack:l1 l2 r1 r2 up down left right
weapon cheat 1:r1 r2 l1 r2 left down right up left down right up
weapon cheat 2:r1 r2 l1 r1 left down right up left down down down
weapon cheat 3:r1 r2 l1 r2 left down right up left down down left
cops cant get on u:circle right circle right left square triange up
get the cops off you:r1 r1 circle r2 up down up down up down up down
get the cops on you:r1 r1 circle r2 left right left right left right left right
quad bike(four wheeler):left left down down up up square circle triangle r1 r2
cars fly:square down l2 up l1 circle up x left
parachute:left right l1 l2 r1 r2 r2up down right l1
infinite ammo:l1 r1 square r1 left r2 r1 left square downl1 l1
stuntplane:circle up l1 l2 down r1 l1 l1 left left x triangle
monster truck: x right up r1 r1 r1 down triangle triangle x circle l1 l1
vortex(boat that goes on land);triangle triangle square l1 l2 down down tank:circle circle l1 circle circle circle l1 l2 r1 triangle circlel triangle alot of these will also work for gta vice city