Sharp MZ-800 Service Manual page 9

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--,
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1000
I B B
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R
Q8
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ROM ROM
2000
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I I
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I
I I I
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3000
I
I
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I
I
I
I
I
I
4000
I
I
I
I
I
I
I
I
I
I
5000
I
I
I
I
I
I
I
I
I
I
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8000
I
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1
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7000
1
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1
1
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'1
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8000
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1
9000
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1
V RAM
I
1
Aooo
I
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----
DRAM
1
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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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Prohibited
State before
1 I
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prohibited
I
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I
Fooo Prohibited
State before
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I
prohibited
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1
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L __
J
FFFF
L __
-.l
L __
-.l
L __
.J
8