Using the following codes I have noted down the effects of just the few glitch attacks of G/S:
Enemy's 1st move modifier: 01XXF1D0
Enemy's 2nd move modifier 01XXF2D0
Enemy's 3rd move modifier 01XXF3D0
Enemy's 4th move modifier 01XXF4D0
Enemy's accuracy has been raised 6 times: 010DB7CB
00: Name: (Blank.)
Effect: - Nothing, the opponent will be forced to use struggle
FC: Name: (Blank)
Effect: - Seems like a 1st priority move working even over switching Pokémon, the game said (My Pokémon) regained health, the enemy spearow's hp instantly fell to 0 and the game crashed
Attack: - 208
Description: - ?
FD: Name: 9(japanese letter)'(Hp sign block)a '9999 PI
Effect: - Another 1st priority move; the game just crashes before even displaying any text.
FE: Name: (Blank)
Effect: - 1st priority again, but the game crashed with 4 diagonal stripes of '9999999'
Attack: Unknown, its type name is so long it covers the attack dialogue up.
FF - Name:999
Effect: - 1st priority again, equivalent of cooltrainer type move ditto can get on R/B, makes a glitch dimension.