--- NDSIM INTERFACE DOWNSCREEN ---
                     (32*24 tiles of 8*8 pixels)
                     (2 ascii chars per pixel)

  0001020304050607080910111213141516171819202122232425262728293031 < Rows (x) : indicative, don't care about it
00 Some discussion  [X]| Another discussion ... [X]|                <= First line of conversation tabs
01_____________________/___________________________/_______________
02 Yet another discussion ! [X]|                                    <= Second line
03_____________________________/___________________________________
04 And then a third line of discussion tabs. [X]|                   <= Third line
05_____________________________________________/__________________
06'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`' <= Shadow 
07     ________      ___________      _______________              
08     | Menu |      | Actions |      | Some button |              
09     ŻŻŻŻŻŻŻŻ      ŻŻŻŻŻŻŻŻŻŻŻ      ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ              
10//=============================================================\\ <= Blank line
11||                                                             ||
12||                                                             ||
13||                                                             ||
14||                                                             ||
15||                                                             ||
16||                     Keyboard                                ||
17||                                                             ||
18||                                                             ||
19||                                                             ||
20||                                                             ||
21||                                                             ||
22||                                                             ||
23\\=============================================================// <= Blank line too

/\
Columns (y) : real sizes