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MZ3500
2. SOFTWARE (MEMORY) CONFIGURATION
Memory will be operated under four states of SDO ~ SD3,
depending on the hardware and software configurations.
In the paragraphs to follow, description will be made for
those four states.
2-1. SDO (INITIALIZE STATE)
SDO can only exist immediately after power on, and the
system executes IPL under this condition and that the
system thus loaded will automatically assign memory area
for SD1, SD2. and SD3.
MAIN CPU
SUB CPU
MAS
MA2
MAI
MAO
FFFF
0
0
0
0
cooo
BFFF
8000
7FFF
RAMA
RAMA
RAMA
4 0 0 0
3FFF i
| ROME [
I
I
2 0 0 0 I
'
0
0
0
1
V
FFFF
RAMA
1
1
1
1
T
MS1
= ° (D
MSO = 0 (L)
? IRAM(COM^
jOO
1
——
^\
reoo
1
\ \
u
\ \
\\
\\
N
v
V
\
\
ROM
(SPAPE)
O F F F
0 0 0 0
ROM
J P L
RAM (COM)
ROM
IPL
4 0 0 0
2 7 F F
2 0 0 0
1 FFF
0 0 0 0
*7
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