Unfinished Crystal move data by Torchickens

Offsets:

Pokémon Gold: 0x41AFE
Pokémon Crystal: 0x41AFB
Japanese Pokémon Gold: 0x41C6C

Format for each attack is this:

[Attack Animation] [Effect] [Base Power] [Type] [Accuracy] [PP] [??]

--------------------------------
Moves
--------------------------------

01 Pound        01 00 28 00 FF 23 00
02 Karate Chop  02 00 32 01 FF 19 00
03 Doubleslap   03 1D 0F 00 D8 0A 00
04 Comet Punch  04 1D 12 00 D8 0F 00
05 Mega Punch   05 00 50 00 D8 14 00
06 Pay Day      06 22 28 00 FF 14 00
07 Fire Punch   07 04 4B 14 FF 0F 19
08 Ice Punch    08 05 4B 19 FF 0F 19
09 Thunderpunch 09 06 4B 17 FF 0F 19
0A Scratch      0A 00 28 00 FF 23 00
0B Vicegrip     0B 00 37 00 FF 1E 00
0C Guillotine   0C 26 00 00 4C 05 00
0D Razor Wind   0D 27 50 00 BF 0A 00
0E Swords Dance 0E 32 00 00 FF 1E 00

--------------------------------
Effects
--------------------------------

00: attack.
01: put enemy to sleep.
02: attack.
03: attack and suck health.
04: attack.
05: attack.
06: attack.
07: faint self and attack.
08: always miss?
09: mirror move.
0A: user's attack goes up.
0B: user's defense goes up.
0C: user's speed goes up.
0D: user's special attack goes up.
0E: user's special defense goes up.
0F: user's accuracy goes up.
10: user's evasion goes up.
11: attack.
12: enemy's attack falls.
13: enemy's defense falls.
14: enemy's speed falls.
15: enemy's special attack falls.
16: enemy's special defense falls.
17: enemy's accuracy falls.
18: enemy's evasion falls.
19: eliminate all stat changes.
1A: store damage and release it.
1B: attack for two/three turns then get confused.
1C: blow enemy away (escape).
1D: attack up to five times in a row.
1E: transform into enemy's type.
1F: attack.
20: just restore health unless HP is full.
21: badly poison the foe unless they're already poisoned.
22: scatter coins that can be picked up as Pokédollars after battle.
23: Light Screen effect (raise special defense, presumably half special damage done to the user, but the effect cannot stack and it will wear off after five turns).
24: attack.
25: attack.
26: one hit KO (deal all of the opponent's health points).
27: waste one turn ('dig a hole') then attack after.
28: deal half of the opponent's current HP, or 1 if it's 1.
29: deal a certain, seemingly fixed amount of damage.
2A: deal a certain, seemingly fixed amount of damage.
2B: attack.
2C: attack opponent two times in one turn (I don't know if the user can attack more).
2D: attack.
2E: shroud the user in mist (prevent a stat from being reduced).
2F: get pumped (likely raise critical hit ratio).
30: attack and deal recoil damage to the user.
31: confuse the opponent. Fail if already confused.
32: user's attack goes up by two stages.
33: user's defense goes up by two stages.
34: user's speed goes up by two stages.
35: user's special attack goes up by two stages.
36: user's special defense goes up by two stages.
37: user's accuracy goes up by two stages.
38: user's evasion goes up by two stages.
39: say the user transformed into the opponent.
3A: lower opponent's attack by two stages.
3B: lower opponent's defense by two stages.
3C: lower opponent's speed by two stages.
3D: lower opponent's special attack by two stages.
3E: lower opponent's special defense by two stages.
3F: lower opponent's accuracy by two stages.
40: lower opponent's evasion by two stages.
41: Reflect effect (raise defense, presumably half physical damage done to the user, but the effect cannot stack and it will wear off after five turns).
42: inflict normal poison on the opponent.
43: paralyse the opponent.
44: attack.
45: attack.
46: attack.
47: attack
48: attack.
49: attack.
4A: attack.
4B: waste one turn (dig a hole) then attack.
4C: attack.
4D: attack two times (and possibly more?).
4E: attack.
4F: create a substitute with a quarter of the user's maximum HP.
50: attack then lose a turn recharging.
51: attack then build rage when hit.
52: mimic the last move used by the opponent and temporarily learn it.
53: use a random move the moment after the move is used (one turn)
54: put up Leech Seed. Have the opponent evade the attack if it's already up.
55: nothing happens (the "But nothing happened." message appears).
56: disable the last move used by the opponent. Fail if there was no last move.
57: attack.
58: Not sure where this is used. Attack damage can vary?
59: attack but always go last.
5A: Encore (force the opponent to use the last move for 2 to 6 turns).
5B: Pain Split (add current HP of user and target together, divide them by two, then set this value as both the user and the opponent's HP. If result for at least one Pokémon is larger than the maximum HP, set it to maximum)
5C: ? (displays "but it failed").
5D: Transform into a type that resists or is immune to the last move used by the opponent.
5E: "Take aim" (likely ensure the next move is 100% accurate)
5F: Sketch (permanently copy) the last move used by the opponent. Fail if no move was used last.
60: Use a turn but deal no damage, without a message.
61: ? (displays "but it failed").
62: Destiny Bond effect (KO the opponent if they KO you on the next turn).
63: attack.
64: Spite (reduce the PP of the opponnent's last attack randomly between one and five. Fail if no attack was used last.
65: attack, but leave the opponent with one HP if the attack was going to KO normally.
66: Heal Bell effect (cure the user and the rest of the party's sleep, poison, paralysis, freeze and burn).
67: attack.
68: attack one or more times in one turn (I don't know the max).
69: attack.
6A: Mean Look effect (prevent foe from escaping)
6B: Nightmare effect (if the foe is sleeping, cause a nightmare that deals 1/4 of the foe's maximum HP at the end of each turn).
6C: attack.
6D: Curse effect (lower speed of user, raise its attack and defense)
6E: attack.
6F: protect the user so no attack can affect them next turn. May fail if used in succession.
70: scatter Spikes all around the foe.
71: Mind Reader effect ('identify' foe so the next attack will always hit)
72: Perish Song effect (both Pokémon will faint in three turns unless one of them switches)
73: Create a Sandstorm.
74: Endure effect (survive a move that would normally cause you to faint with one HP).
75: Probably Fury Cutter effect (the user will attack with the move every move for five turns, and the power of the move will double each time)
76: Swagger effect (increase foe's attack by two stages, but cause them to be confused).
77: attack.
78: Cause the opponent to fall in love if they're the opposite gender to the user. Each turn in love the opponent may not attack the user due to infatuation.
79: attack.
7A: Present effect (deal a 40, 80 or 120 base attack at random or heal the target by 80 HP)
7B: attack with power based on how unhappy the user is; the lower the happiness value, the higher the attack power.
7C: Prevent status ailment inflicting moves from working. (Safeguard effect)
7D: Sacred Fire effect (attack with 50% chance of burning enemy)
7E: display 'magnitude 1-10'. Normally the higher the number the more damage is inflicted.
7F: ? (displays "but it failed").
80: attack.
81: attack.
82: attack.
83: attack.
84: restore user's HP unless HP is full.
85: restore user's HP unless HP is full.
86: restore user's HP unless HP is full.
87: attack (damage seems high?).
88: cause rain to fall.
89: cause the sunlight to get bright.
8A: attack.
8B: attack.
8C: attack.
8D: If user is slower, cause the opponent to flinch but cause no damage. If user is faster, always miss, even with Mind Reader (possibly unused).
8E: half your HP and maximize attack (set to stage +6).
8F: ? (displays "but it failed").
90: always go last. Attack misses, even with Mind Reader.
91: Skull Bash effect (waste one turn to raise defense. Attack next turn).
92: attack.
93: attack.
94: Future Sight attack. ('Foresee an attack', attack two turns later).
95: attack.
96: attack.
97: waste one turn to dig a hole, then attack.
98: attack.
99: flee from battle.
9A: Beat Up effect (make multiple attacks, one from each conscious Pokémon on the user's team)
9B: waste one turn to dig a hole, then attack.
9C: raise user's defense, likely by one stage.
9D: invalid, freeze.