Well, is your SMS ISO the european version (PAL)? I do have problems with that version of the game (cant tell for NTSC-U or NTSC-J since I don´t have them). But, by experience with other NTSC-U titles it should do OK with the cheats.
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.
Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.
