Sharp MZ-800 - 1.1 Unpacking

MZ-800
~rt
OUT (SE5)
OUT (SEe) IN (SEO) IN (SE1)
MODE
MZ-700 mode MZ-800 mode
MZ-700 mode MZ-800 mode MZ-700 mode MZ-800 mode MZ-700 mode MZ-800 mode
Function o SDOOO - S7FFF o SEOOO - SFFFF
o SDOOO - SFFFF o SEOOO - SFFFF o S1000 - S1FFF o S1000 - S1 FFF o S1000 - S1FFF
o S1000 - S1 FFF
prohibited. prohibited. returned to
returned to toCG ROM. toCG ROM. returned
to returned to
the state be-
the state be-
o SCOOO - SCFFF o $8000 - SBFFF
the state ba-
the state ba-
fore prohi- fore prohi-
toVRAM (PCG
to
VRAM
fore CG was
fore CG was
bited. bited.
RAM).
(NOTE).
set.
set.
o SCOOO - SCFFF
o $8000 - SBFFF
to DRAM. to DRAM.
0000
r--l
I--l
1--'
1--,
,---,
1--,
,---, r--,
I
I
I
I
I
I
I
I
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I
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1000
I
B B
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I
R
Q8
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ROM
ROM
2000
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I
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I
I
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I
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3000
I
I
I
I
I
I
I
I
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I
4000
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I
I
I
I
I
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I
5000
I
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8000
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1
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I
7000
1
I
1
1
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I
'1
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I
8000
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1
9000
I
1
V RAM
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1
Aooo
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I
----
DRAM
1
I
Booo
1
I
(NOTE)
Cooo
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~
I
V RAM
I
(CGRAM)
I
1
DOOO
1
I
I
Eooo
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I
Prohibited
State before
1
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I
prohibited
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I
Fooo
Prohibited
State before
I
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I
prohibited
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1
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I
L __ J
FFFF
L __ -.l
L __ -.l
L __ .J
8