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Auxiliary Character Generator RAM Format
C-2
Figure C-l is an example of the bit pattern of a graphic character.
1 2 3 4
5 6 7 8 9 ABC D E F
o
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0 0 0
o
A
0 0 0:0
0
0 0 7 0 , , " 0
0
1
0
0
oro
0 0"1
O'
0
o
~
0 0
o )
O·
0 0
0 , , " 0 / 0
O.
0 0 0
o "
v
0 0
o.
1
1
1
:
0 0 0 0
0 0
o.
0 0 0
o
/1\...
0 0
o.
0 0 0 / 0 , , \
0 0:
0
o ./
0
o
" 0 0
1
0
Vo
0 0
o ""
O'
0
0 0 0 0
o'
0
0 0 0 0
O'
0
0 0 0 0
0
1
0
J--
0 0 0 0
H
I
0
0 0 0 0
0 0 0 0
I
I
I
\
\
\
\
I
.f
,
0 0 0 0
0 0 0 0
Figure C-l Sample Bit Pattern of Graphic Character
0 0
0 0
0 0
0 0
08H, OOH
14H,
OOh
22H,
22H,
14H,
08H,
FFH,
08H,
08H,
14H.
24H,
42H,
42H,
42H,
42H,
C3H,00H
Figure C-2 demonstrates how the bit pattern in Figure C-l would be stored in
auxiliary CG RAM.
RELATIVE
ADDRESS
o
2
4
6
8
A
C
E
IO
12
14
16
18
lA
lC
IE
DATA
08
1
00
14
1
00
22
i
00
22
I
00
14
00
08
I
00
FF : 00
08
I
00
08
i
00
14 • 00
24
1
00
42 -' - 00
42
00
42
00
42
I
00
- 20- - - - •
1
I
1 •
C3-,- 00
•
I . . . Ie .1
•
I
I
BYTE BYTE
Figure C-2 Sample Data in Auxiliary CG RAM
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