bind w +mfwd
bind s +mback
bind a +mupleft
bind d +mdwright

alias +mfwd "-back;+forward;alias checkfwd +forward"
alias +mback "-forward;+back;alias checkback +back"
alias +mupleft "-moveright;-back;+moveleft;+forward;alias checkupleft +moveleft;+forward"
alias +mdwright "-moveleft;-forward;+moveright;+back;alias checkdwright +moveright;+back"
alias -mfwd "-forward;checkback;alias checkfwd donothing"
alias -mback "-back;checkfwd;alias checkback donothing"
alias -mleft "-moveleft;checkdwright;alias checkupleft donothing"
alias -mright "-moveright;checkupleft;alias checkdwright donothing"
alias checkfwd donothing
alias checkback donothing
alias checkleft donothing
alias checkright donothing
alias donothing ""