pugsy,.I have old Mame32 emulator.I am trying to write your style but 00090000 cheat is not working.You can write your style.
You Must Have any Partner,Cheat Must Be Activated on Finish Stage Screen.
; [ Magic Sword - Heroic Fantasy (World 900725) ]
:msword:62000000:000000:00000000:00000000:Select Partner PL1
:msword:00010000:FFB7A1:00000000:00000000:Ninja
:msword:00010000:FFB7A1:00000002:00000000:Big Man
:msword:00010000:FFB7A1:00000004:00000000:Priest
:msword:00010000:FFB7A1:00000006:00000000:Wizard
:msword:00010000:FFB7A1:00000008:00000000:Amazon
:msword:00010000:FFB7A1:0000000A:00000000:Knight
:msword:00010000:FFB7A1:0000000C:00000000:Thief
:msword:00010000:FFB7A1:0000000E:00000000:Lizardman
:msword:62000000:000000:00000000:00000000:Select Partner PL2
:msword:00010000:FFB8A1:00000000:00000000:Ninja
:msword:00010000:FFB8A1:00000002:00000000:Big Man
:msword:00010000:FFB8A1:00000004:00000000:Priest
:msword:00010000:FFB8A1:00000006:00000000:Wizard
:msword:00010000:FFB8A1:00000008:00000000:Amazon
:msword:00010000:FFB8A1:0000000A:00000000:Knight
:msword:00010000:FFB8A1:0000000C:00000000:Thief
:msword:00010000:FFB8A1:0000000E:00000000:Lizardman