Back

Figure 4.5 Cell data structure based on the number of character colors, part 3

For 16 bits / dot (128 bytes / cell)

Bit 15 8 70 
┌────────────────────────────────────────────┐
+ 00H │ Dot 0-0 data │
├────────────────────────────────────────────┤
+ 02H │ Dot 0-1 data │
├────────────────────────────────────────────┤
: │: │
: │: │
: │: │
: │: │
├────────────────────────────────────────────┤
+ 1EH │ Dot 7-7 data │
└────────────────────────────────────────────┘
Dot 0 1 2 3 4 5 6 7 
┌──┬──┬──┬──┬──┬──┬──┬──┐ 
Dot 0│00│02│04│06│08│0A│0C│0E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ 
1│10│12│14│16│18│1A│1C│1E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ 
2│20│22│24│26│28│2A│2C│2E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ 
3│30│32│34│36│38│3A│3C│3E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ Cell 4│40│42│44│46│48│4A│4C│4E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ 
5│50│52│54│56│58│5A│5C│5E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ 
6│60│62│64│66│68│6A│6C│6E│ 
├──┼──┼──┼──┼──┼──┼──┼──┤ 
7│70│72│74│76│78│7A│7C│7E│ 
└──┴──┴──┴──┴──┴──┴──┴──┘ 
[Note 1]
The upper left corner of the cell is dot 0-0, and from there to the right are dot 0-1, dot 0-2, dot 0-3, ....
[Note 2]
The number in the cell is the VRAM address (hexadecimal number) of each dot (2 dots) data based on the VRAM address of the data of dots 0-0 and 0-1.

return


Copyright SEGA ENTERPRISES, LTD., 1997