Download Print this page

Sharp MZ-800 Service Manual page 8

Hide thumbs

Advertisement

MZ-800
~
port
SEO
MODE
-
Function
o SOOOO - S7FFF
to DRAM.
0000
1000
2000
3000
4000
DRAM
5000
6000
7000
8000
I
9000
I
I
Aooo
I
I
BOOO
I
COOO
I
I
Dooo
I
I
EOOO
I
E070
Fooo
I
I
FFFF
L __
..J
Memory Sank Control
SEl
SE2
SE3
SE4
MZ-7oo mode
MZ-SOO mode
-
MZ-7oo mode
MZ-SOO mode
MZ-7oo mode
MZ-800 mode
o Soooo - SFFFF o SEooo - SFFFF o SOOOO - $OFFF o $0000 - SFFFF o SEooo - SFFFF o SOOOO - $OFFF o SOOOO - $OFFF
to DRAM.
to DRAM.
to
monitor
to VRAM, key
to
monitor
to
monitor
to
monitor
ROM.
timer,
and
ROM.
ROM.
ROM.
monitor ROM.
o Slooo - $CFFF o Slooo - SlFFF
to DRAM
to CG ROM.
o Soooo - $FFFF o S2000 - $7FFF
to VRAM, key
and
timer,
and
$Cooo - SDFFF
monitor ROM.
to DRAM.
o
$8000 -
SBFFF
to
VRAM
(NOTE).
o SEooo - SFFFF
to
monitor
ROM.
i--l
,---,
MONITOR
'--I
1--'
MONITOR
MONITOR
I
I
ROM
I
I
I
I
ROM
ROM
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
DRAM
CG
ROM
DRAM
I
I
I
V RAM
I
r-- - - -
I
I
I
I
(NOTE)
I
I
I
I
I
I
DRAM
I
I
V RAM
I
V RAM
B
I
KEY, TIMER
DRAM
I
I
MONITOR
MONITOR
ROM
I
ROM
I
L __
J
Area within dotted line does not involve change.
DEY, nMER
MONITOR
ROM
MONITOR
ROM
----1
(NOTE): In the case of 320 x 200 mode, contents of $8000 - $9FFF are transferred, instead,
and those after $Aooo are transferred to DRAM.
Power on or RESET input
7

Advertisement

loading

  Also See for Sharp MZ-800

  Related Manuals for Sharp MZ-800

This manual is also suitable for:

Mz-1p16Mz-1e20