alias bh1 "+jump;alias bh@ bh2;special"
alias bh2 "wait;alias bh@ bh3;special"
alias bh3 "-jump;alias bh@ bh4;special"
alias bh4 "wait;alias bh@ bh1;special"
alias +bhop "alias _special bh@;bh1"
alias -bhop "alias _special;-jump"
bind SPACE +bhop