pintos-os.org Git - pintos-anon/blob - specs/freevga/vga/seqpack.txt

   1                          Packed Shift Mode Diagram
   2                          -------------------------
   3
   4                 Plane 0                                 Plane 1
   5  /-----------------^-----------------\   /-----------------^-----------------\
   6   7   6     5   4     3   2     1   0     7   6     5   4     3   2     1   0
   7 +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+
   8 |   |   | |   |   | |   |   | |   |   | |   |   | |   |   | |   |   | |   |   |
   9 +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+
  10   |   |     |   |     |   |     |   |     |   |     |   |     |   |     |   |
  11    \  |      \  |      \  |      \  |      \  |      \  |      \  |      \  |
  12 3 2 | |   3 2 | |   3 2 | |   3 2 | |   3 2 | |   3 2 | |   3 2 | |   3 2 | |
  13 [][][][]  [][][][]  [][][][]  [][][][]  [][][][]  [][][][]  [][][][]  [][][][]
  14  | | 1 0   | | 1 0   | | 1 0   | | 1 0   | | 1 0   | | 1 0   | | 1 0   | | 1 0
  15  |  \      |  \      |  \      |  \      |  \      |  \      |  \      |  \
  16  |   |     |   |     |   |     |   |     |   |     |   |     |   |     |   |
  17 +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+
  18 |   |   | |   |   | |   |   | |   |   | |   |   | |   |   | |   |   | |   |   |
  19 +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+ +---+---+
  20   7   6     5   4     3   2     1   0     7   6     5   4     3   2     1   0
  21  \-----------------v-----------------/   \-----------------v-----------------/
  22                 Plane 2                                 Plane 3
  23
  24                          <------- Direction of Shift
  25