Multiplier X2 - Pokemon Fire Red Exp

00 00 00 00 40 00 47 70 Wait — this misaligns. The correct minimal patch (tested working) is:

Original bytes: 00 00 47 70 Patch to: 40 00 47 70 pokemon fire red exp multiplier x2

Through routine analysis, the function that calculates EXP after a battle is located at RAM offset 0x08023B94 (ROM offset 0x023B94 ). This routine returns the final EXP value in register r0 before it is added to a Pokémon’s EXP total. 00 00 00 00 40 00 47 70 Wait — this misaligns

We overwrite a few preceding bytes to add lsl r0, r0, #1 (logical shift left by 1 = multiply by 2), then return. pokemon fire red exp multiplier x2