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HeartGold/SoulSilver - Action Replay - always shiny pokémon


TylerD007

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***EDIT (June 12th, 2023)***: the following codes are outdated!!! Please, check my GitHub repository for updated content.

Hi, guys. I've been reverse engineering SoulSilver for the past few days, and I developed a code to force shiny Pokémon battles. Basically, the code advances the RNG until a shiny frame is found. Hence, any Pokémon caught using this method is 100% legit legal* (encounter, nature, pid, ivs and met info match perfectly).

TECHNICAL INFORMATION:  the code intercepts the normal execution flow right before the first rng call (usually the one that defines the encounter slot) and sends it to address 027c0200, where the main function is stored. The main function advances the rng in a loop, until a shiny pid is found. Then, it extracts the nature from the rng pair that forms the pid. After that, it  starts a reverse rng loop, to find the last rng whose extracted nature matches the shiny rng nature. When such rng is found, the code retrieves the normal execution flow. The code does not affect any other data besides the current rng. Because of that, the resulting shiny Pokémon are all 100% legit legal*. For each type of encounter, there is a different set of codes, because the functions that trigger each event are located at different memory addresses and because the algorith used to calculate the PID is different in each case.

WARNING: natures that affect the wild pokémon structure, such as Cute Charm, Synchronize and Pressure, require adittional RNG calls, thus, messing with the RNG allignment the codes establish and making them NOT to work.

WARNING 2: do not use more than one of the following codes at the same time in any circunstance. As explained, the codes write different instruction routines to the same memory block. Using more than one code may cause crashes and other unexpected behaviours.

Grass/dungeon encounters:

#ALWAYS SHINY - METHOD K (HG/SS) - GRASS/DUNGEON POKEMON
52247688 0000bd10
0224768c 4801b508
02247690 46c04687
02247694 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 0405f8dd
027c0258 f8daf000
027c025c 21194328
027c0260 e8eef000
027c0264 0e000608
027c0268 f0001c04
027c026c 0405f8d1
027c0270 f0002119
027c0274 0608e8ee
027c0278 42a00e00
027c027c f000d00a
027c0280 4328f8c7
027c0284 f0002119
027c0288 0608e8dc
027c028c 42a00e00
027c0290 e7ead0cb
027c0294 f8bcf000
027c0298 f0002164
027c029c 0608e8da
027c02a0 b0080e00
027c02a4 4a01bcf0
027c02a8 46c04697
027c02ac 0224769c
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Stationary pokémon: Stationary pokemon are all pokemon whose battles are triggered by interaction (Sudowoodo, Electrode in Rocket Hideout, Lugia, Ho-oh, Snorlax, Suicune, the legendary birds, Mewtwo, Groudon, Kyogre, Rayquaza). 

ALWAYS SHINY - METHOD K (HG/SS) - STATIONARY POKEMON
5224788c bd100e00
02247890 46874800
02247894 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 0405f8dd
027c0258 f8daf000
027c025c 21194328
027c0260 e8eef000
027c0264 0e000608
027c0268 f0001c04
027c026c 0405f8d1
027c0270 f0002119
027c0274 0608e8ee
027c0278 42a00e00
027c027c f000d00a
027c0280 4328f8c7
027c0284 f0002119
027c0288 0608e8dc
027c028c 42a00e00
027c0290 e7ead0cb
027c0294 f8bcf000
027c0298 f8b2f000
027c029c f0002119
027c02a0 0608e8d8
027c02a4 b0080e00
027c02a8 4a01bcf0
027c02ac 46c04697
027c02b0 0224789e
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Method 1 pokémon: Pokémon created after special events (Johto starters, Raikou and Entei in Burned Tower, Latios, Latias, Kanto starters in Oak Lab).

ALWAYS SHINY - METHOD 1 (HG/SS)
5206dee4 2800980c
0206dee8 4801d107
0206deec 46c04687
0206def0 027c0200
027c0200 b088b4e0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 682e9d00
027c024c 04009603
027c0250 b0084320
027c0254 4a01bce0
027c0258 46c04697
027c025c 0206def8
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Surfing: 

#ALWAYS SHINY - METHOD K (HG/SS) - SURFING

5224771c 0000bd08
02247720 4801b508
02247724 46c04687
02247728 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 0405f8dd
027c0258 f8daf000
027c025c 21194328
027c0260 e8eef000
027c0264 0e000608
027c0268 f0001c04
027c026c 0405f8d1
027c0270 f0002119
027c0274 0608e8ee
027c0278 42a00e00
027c027c f000d00a
027c0280 4328f8c7
027c0284 f0002119
027c0288 0608e8dc
027c028c 42a00e00
027c0290 e7ead0cb
027c0294 f8bcf000
027c0298 f8baf000
027c029c f0002164
027c02a0 b008e8d8
027c02a4 4a01bcf0
027c02a8 46c04697
027c02ac 0224772c
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Fishing (Super Rod, Good Rod or Old Rod):

#ALWAYS SHINY - METHOD K (HG/SS) - FISHING

52246fbc f8e8f001
02246fc0 48011c04
02246fc4 46c04687
02246fc8 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 0405f8dd
027c0258 f8daf000
027c025c 21194328
027c0260 e8eef000
027c0264 0e000608
027c0268 f0001c04
027c026c 0405f8d1
027c0270 f0002119
027c0274 0608e8ee
027c0278 42a00e00
027c027c f000d00a
027c0280 4328f8c7
027c0284 f0002119
027c0288 0608e8dc
027c028c 42a00e00
027c0290 e7ead0cb
027c0294 f8bcf000
027c0298 f8baf000
027c029c f8b8f000
027c02a0 f0002164
027c02a4 b008e8d6
027c02a8 4a01bcf0
027c02ac 00004697
027c02b0 02246fcc
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Tree pokémon (headbutt):

#ALWAYS SHINY - METHOD K (HG/SS) - HEADBUTT

522477bc bd080e00
022477c0 4801b508
022477c4 46c04687
022477c8 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 0405f8dd
027c0258 f8daf000
027c025c 21194328
027c0260 e8eef000
027c0264 0e000608
027c0268 f0001c04
027c026c 0405f8d1
027c0270 f0002119
027c0274 0608e8ee
027c0278 42a00e00
027c027c f000d00a
027c0280 4328f8c7
027c0284 f0002119
027c0288 0608e8dc
027c028c 42a00e00
027c0290 e7ead0cb
027c0294 f8bcf000
027c0298 f8baf000
027c029c f0002164
027c02a0 b008e8d8
027c02a4 4a01bcf0
027c02a8 46c04697
027c02ac 022477cc
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Rock smash:

#ALWAYS SHINY - METHOD K (HG/SS) - ROCK SMASH

52247798 bd082004
0224779c 4801b508
022477a0 46c04687
022477a4 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 0405f8dd
027c0258 f8daf000
027c025c 21194328
027c0260 e8eef000
027c0264 0e000608
027c0268 f0001c04
027c026c 0405f8d1
027c0270 f0002119
027c0274 0608e8ee
027c0278 42a00e00
027c027c f000d00a
027c0280 4328f8c7
027c0284 f0002119
027c0288 0608e8dc
027c028c 42a00e00
027c0290 e7ead0cb
027c0294 f8bcf000
027c0298 f8baf000
027c029c f0002164
027c02a0 b008e8d8
027c02a4 4a01bcf0
027c02a8 46c04697
027c02ac 022477a8
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Bug-catching contest:

#ALWAYS SHINY - BUG-CATCHING (HG/SS)
52247ee0 fe22f625
02247ee4 468f4900
02247ee8 027c0200
027c0200 b088b4ff
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 f000f8d5
027c0258 2600f8d3
027c025c f0002500
027c0260 291ff8ff
027c0264 3501d100
027c0268 d1002a1f
027c026c 2b1f3501
027c0270 3501d100
027c0274 f8f4f000
027c0278 d100291f
027c027c 2a1f3501
027c0280 3501d100
027c0284 d1002b1f
027c0288 95043501
027c028c f8c0f000
027c0290 f0000405
027c0294 4328f8bd
027c0298 f0002119
027c029c 0608e8d2
027c02a0 1c040e00
027c02a4 f8b4f000
027c02a8 21190405
027c02ac e8d0f000
027c02b0 0e000608
027c02b4 d00a42a0
027c02b8 f8aaf000
027c02bc 21194328
027c02c0 e8bef000
027c02c4 0e000608
027c02c8 d0ae42a0
027c02cc 3601e7ea
027c02d0 2e049d04
027c02d4 2d00da02
027c02d8 e7bfd100
027c02dc d0022e01
027c02e0 d0002d00
027c02e4 f000e7a1
027c02e8 f000f893
027c02ec f000f891
027c02f0 b008f88f
027c02f4 2104bcff
027c02f8 f806f000
027c02fc 48011c04
027c0300 46c04687
027c0304 02247eec
027c0308 46974a00
027c030c 02259b50
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000

Safari Zone (grass, surfing and fishing):

#ALWAYS SHINY -SAFARI ZONE - GRASS, SURFING AND FISHING (HG/SS)
52247e50 d1062800
02247e54 46874800
02247e58 027c0200
027c0200 b088b4f0
027c0204 90004801
027c0208 e0034801
027c020c 021d15a8
027c0210 02111880
027c0214 30846800
027c0218 04016800
027c021c 0c000c09
027c0220 91029001
027c0224 68019800
027c0228 9d019103
027c022c 98009e02
027c0230 60019903
027c0234 1c040c08
027c0238 f8e2f000
027c023c 40611c01
027c0240 40714069
027c0244 daf62908
027c0248 68019800
027c024c f0009103
027c0250 f000f8d7
027c0254 f000f8d5
027c0258 2600f8d3
027c025c f0002500
027c0260 291ff8ff
027c0264 3501d100
027c0268 d1002a1f
027c026c 2b1f3501
027c0270 3501d100
027c0274 f8f4f000
027c0278 d100291f
027c027c 2a1f3501
027c0280 3501d100
027c0284 d1002b1f
027c0288 95043501
027c028c f8c0f000
027c0290 f0000405
027c0294 4328f8bd
027c0298 f0002119
027c029c 0608e8d2
027c02a0 1c040e00
027c02a4 f8b4f000
027c02a8 21190405
027c02ac e8d0f000
027c02b0 0e000608
027c02b4 d00a42a0
027c02b8 f8aaf000
027c02bc 21194328
027c02c0 e8bef000
027c02c4 0e000608
027c02c8 d0ae42a0
027c02cc 3601e7ea
027c02d0 2e049d04
027c02d4 2d00da02
027c02d8 e7bfd100
027c02dc d0022e01
027c02e0 d0002d00
027c02e4 f000e7a1
027c02e8 46c0f893
027c02ec 210a46c0
027c02f0 e8aef000
027c02f4 bcf0b008
027c02f8 46974a00
027c02fc 02247e5e
027c0400 46bf4f00
027c0404 0201fd44
027c0410 48064905
027c0414 1c13684a
027c0418 48054343
027c041c 604818c0
027c0420 04000c00
027c0424 47700c00
027c0428 021d15a4
027c042c eeb9eb65
027c0430 0a3561a1
027c0440 e59f7000
027c0444 e1a0f007
027c0448 020f2ba4
027c0450 e59f7000
027c0454 e1a0f007
027c0458 020f2998
027c0460 f7ffb500
027c0464 211fffd5
027c0468 223e4001
027c046c 40020112
027c0470 231f0952
027c0474 4003029b
027c0478 bd000a9b
d0000000 00000000


*Mod Edit: Pokémon obtained using cheat codes are legal at best, not legitimate. See the terminology used by the community here: https://bulbapedia.bulbagarden.net/wiki/Appendix:Fan_terminology#Legitimate
- Atrius

Edited by TylerD007
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