opcode Mix41B, 0, kkkk   ; MULTIMODE support a/k?
kLev1, kLev2, kLev3, kLev4 xin 
  a1 zar 1 ; CHANGE 
  a2 zar 1 ; CHANGE 
  a3 zar 1 ; CHANGE 
  a4 zar 1 ; CHANGE 
  a5 zar 1 ; CHANGE 
  aout = a1 + a2*kLev1 + a3*kLev2 + a4*kLev3 + a5*kLev4
  zaw aout, 2 ; CHANGE 
endop
