= equ  X ext  S defs  W defw  B defb  % msg < Z defm  D adc  A add  & and  U call  M cp  D dec  Q di E ex  P ei N in  I inc  J jp  R jr  L ld  | or  O out  < pop  > push  T ret F(bc) G(de) H(hl) C sbc  S sub  V xor