in the game press "tab" button to go to the options, then go to "input this game", then configure your controls (up,right,left,down, burtton1 etc....) go to where you put HP, HK,BL, RN (Buttons: 8,7,9,6) press enter over every button and press down twice quickly to restart the convifg (default) on that button( example, if you press enter over the button 6, and you press down twice that button will back to default, in the "X" button)
like this
Screenshot
then press enter to asign a key to this button ( the key where you want to put that button) in my case i put this configuration:
Buton1: 8 (HP)
Button2: 7 (BL)
Button3: 9 (HK)
Button6: 4 (RN)
Now to Play as Human Smoke in Mame, press enter over button 1: then press down twice to default as you can see
HERE, press again enter, asign the key you want ( in this case number 8 ) now prees again enter over the button 1 and then prees "M" this will make that the button 1 will be in the number 8, and the "M" (from the keyboard), go to the button 2, (yes, do the same) press enter, then down twice, press enter again asign the key ( in my case in the number 7) press enter again and put it in the "M" ( from the keyboard), go to the button 3 yes, press enter, then down twice, asign the key ( in my case number 9) then press enter again, and put it in "M" ( from the keyboard), go to the button 6 press enter, then down twice, aisng the key ( in my case in the number 4) then put in in the "M" ( from keyboard), and that´s all, when you go to the choose your fighter screen, choose robot moke, then prees back+M, and... tere is.. Human Smoke, sorry for the soo long explanation, but i dunno how to say this in english xD...
The Screenshots:
Click Here
Click Here
Click Here
Click here
Click Here
Have Fun!