Dividend x --(0.10101111), divisord --(0.11000101)(i -- 16(0.1100)2- 12)

X = 175 (xAF)
D = 197 (xC5)

X = 175/256 = 0.68359375
D = 197/256 = 0.76953125

Note: Add lg(r) extra iterations due to shifting of computed q
      q_{computed} = q / radix

./srt4div 0.68359375 0.76953125 8 10

r=2
X = 0.10011111
D = 0.11000101

X = 159 (9F)
D = 197 (C5)

X = 159/256 = 0.62109375
D = 197/256 = 0.76953125

./srt2div 0.62109375 0.76953125 8 9