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Sharp MZ-800 Technical Reference And User's Guide

Sharp MZ-800
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b)
Write
format
register (WR) (OUT &
CC)
MSB
LSB
1 1
(NO~)]
~MD
!
~MO
! 8/A !
IV
Ill
NOTE: Same
as
the
bit
8/A
of
the read
format
register.
• I, Il.
ill,
N .....
Calor plane designation
Write
WMD
8/A
Color plane
mode
2
1 0
IV
m
n
SINGLE
0 0
0
(•)
0/1
0/1 0/1
WRITE
EXOR
0
0
1 Frame A: 0
0/1
0/1 0/1
OR
0
1 0
Frame 8: 1
0/1
0/1
0/1
I
RESET
0
1
1
0/1
0/1 0/1
0
X
X
Oil
1
0/1
0/1
X
X
0/1
0/1 0/1
REPLACE
1
0
X
0
X
X X
1
X
0/1
X
X X
0/1
X
0
X
X
0/1
1
0/1
0/1
X
X
0/1
0/1 0/1
PSET
1 1
X
0
X X
X
1
X
0/1
X
X X
0/1
X
MZ-700 0
0 0
0 0
0
0
(•)
Refer
to
Table-1 display frame
NOTES:
•
Write
for
the non-existing VRAM are
not
assured.
• The above parameter has
to
be set
up
for
the
MZ-700
mode.
• B/ A
must
be set to
"0"
for
the standard version
MZ-800.
I
0/1
0/1
0/1
0/1
0/1
X
0/1
0/1
X
0/1
0/1
X
0/1
0/1
X
0/1
1
• WMD
0-
2 .....
Selects the logical operational
mode
for read-
modify-write.
•
B/A
{NOTE)
Standard
MZ-800--+
"0":
Frame A access .....
Frame
A is accessed
for
the
display mode.
"1":
Frame B access
......
Frame B is accessed
for
the display mode.
Display mode
Function
I WD: Write data j
VD : VRAM data
Color plane
of
"1":
WD,
write
320
X 200,
Color
plane
of
"0":
Fixed
4/16 colors
Color plane
of
"1":
WD
<±)
VD
640
X
200,
Color plane
of
"0":
Fixed
1/4
colors
Col
or
plane
of
"1":
WD + VD
Color plane
of
"0":
Fixed
Color plane
of
"1":
wr5 ·
VD
Color plane
of"O":
Fixed
320
X
200
@, Writes WD in a specific color
4 colors ®
(Character
write
to the graphic plane)
320
X
200,
Color plane
of
"1":
WD
16 colors
640
X
200
@,
Color plane
of
"0":
Writes
"0".
1
color@
Color plane
of
"X":
Fixed
640
X
200,
4 colors
320
X
200
@, Writes
only
bit
"1"
of
WD in a specific col or.
4 colors
® · (Character
write
to graphic plane)
320
X
200,
Col or plane
of
"1":
WD + VD
16
colors
640
X
200
@, Color plane
of
"0":
WD
·VD
1 color, ®
Color plane
of
"X":
Fixed
640 X 200,
4 colors
MZ-700
Writes
WO
into the
DATA.
ATB,
and
CG
area.
20

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Sharp MZ-800 Specifications

General IconGeneral
BrandSharp
ModelMZ-800
CategoryDesktop
LanguageEnglish

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