GN_D24, 24bit unsigned division

IN:
     BHL = dividend
     CDE = divisor

OUT, if call successful:
     Fc = 0
     BHL = quotient
     CDE = remainder

OUT, if call failed:
     Fc = 1
     A = error code:
          RC_FAIL ($16), division by zero attempted)

Registers changed after return:
     ......../IXIY same
     AFBCDEHL/.... different