CLIO Theory of Operation
Theory of Operation
0 3 F
F
F
F
F
F
0 7 F
F
F
F
F
F
0 B
F
F
F
F
F
F
0 F
F
F
F
F
F
F
0 3 0 0 0 0 0 0
0 7 0 0 0 0 0 0
0 B
0 0 0 0 0 0
0 F
0 0 0 0 0 0
0 A
2 0 0 0 0 0
0 2 0 0 0 0 0 0
0 6 0 0 0 0 0 0
0 A
0 0 0 0 0 0
0 E
0 0 0 0 0 0
0 1 0 0 0 0 0 0
0 5 0 0 0 0 0 0
0 9 0 0 0 0 0 0
0 D
0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 4 0 0 0 0 0 0
0 8 0 0 0 0 0 0
0 C
0 0 0 0 0 0
* *
L C
D
M
e m
o r y S
p a c e i s d i v i d e d i n t o S
- M
O
S
( E
p s o n 1 3 5 4 )
R
e g i s t e r s a n d V
i d e o F
r a m
e B
u f f e r
S
- M
O
S
R
e g i s t e r s 0 x 0 A
2 0 0 0 0 0 0 - 0 x 0 A
3 F
F
F
F
F
V
i d e o F
r a m
e B
u f f e r 0 x 0 A
0 0 0 0 0 0 - 0 x 0 A
1 F
F
F
F
F
N
o t e : W
h e n u s i n g d e b u g g e r , w
r i t e / r e a d a d d r e s s
A
d d 0 x A
0 0 0 0 0 0 0 t o P
h y s i c a l a d d r e s s f o r U
n a c h e d , N
o T
L B
A
d d 0 x 8 0 0 0 0 0 0 0 t o P
h y s i c a l a d d r e s s f o r C
a c h e d , N
o T
L B
( W
e o n l y u s e 3 2 - b i t m
o d e )
1 3 F
F
F
F
F
F
1 7 F
F
F
F
F
F
1 B
F
F
F
F
F
F
1 F
F
F
F
F
F
F
1 F
C
0 0 0 0 0
( B
o o t E
n t r y )
1 3 0 0 0 0 0 0
1 7 0 0 0 0 0 0
1 B
0 0 0 0 0 0
1 F
0 0 0 0 0 0
1 6 F
F
F
F
F
E
1 2 0 0 0 0 0 0
1 6 0 0 0 0 0 0
1 A
0 0 0 0 0 0
1 E
0 0 0 0 0 0
1 1 0 0 0 0 0 0
1 5 0 0 0 0 0 0
1 9 0 0 0 0 0 0
1 D
0 0 0 0 0 0
* 1 0 0 1 0 0 0 0
1 0 0 0 0 0 0 0
S
e e N
o t e
1 4 0 0 0 0 0 0
1 8 0 0 0 0 0 0
1 C
0 0 0 0 0 0
* N
o t e : T
h e V
G
- 4 6 9 d o e s n o t a l l o w
s y s t e m
m
e m
o r y m
a p p i n g i n t h e r a n g e o f 1 0 0 0 0 0 0 0 - 1 0 0 0 F
F
F
F
Unused DRAM Space
DRAM Space (32MB)
Reserved for Future Use
Reserved for Future Use
Processor
Int
erna
l IO
Area 2
Processor
Int
erna
l IO
Area 1
Reserved for Future Use
Unused System B
u
s I/O Area (ISA-M
E
M
)
Unused System B
u
s I/O Area (ISA-IO)
Unused ROM
Area
Unused ROM
Area
FL
ASH M
em
Spa
ce
U
n u s e d
R
O
M
A
r e a
VG-469
Me
m
VG-469
IO
Spa
ce
U
n u s e d
B
o o t R
O
M
( 1 M
B
)
LCD Mem
Spa
ce*
*
1-5
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AUTHORED BY ANTHONY HERNANDEZ - (415)786-2081 - [email protected]
