DEHL_Div_C:
  ex de,hl
  push de
  jr $+4
HLIX_Div_C:
;HLIX/C, C<=128 (yes, 128 is allowed)
;26 bytes
  push ix
  call HL_Div_C_limited
  ex (sp),hl
  call HL_Div_C_limited+1
  ex (sp),hl
  pop ix
  ret
HL_Div_C_limited:
  xor a
  ld b,16
_:
  add hl,hl
  rla
  cp c
  jr c,$+4
  sub c
  inc l
  djnz -_
  ret