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6
1.2.2
Keyboard
The keyboard
of
the
MZ-80A
is arranged
as shown
in Figure 15, and is divided
into
2 areas;
main
keyboard
and
numeric
pad.
7
V
X
9
)
\
'
+
■
/-H1
Til
5
W
r~\
1
2
-*ÿ
E
N
T
i
_
S
1
—
*
—
N
00
rH
numeric pad
main keyboard
Figure 1
5
The keyboard of the
MZ-80A
The main keyboard (typewriter keyboard) conforms to ASCII standard and includes character keys and control
keys (such as the
carriage return key, the
control
key and the cursor
control keys.)
The numeric pad is for entering numeric data and is
similar
to
that of an ordinary electronic calculator.
The
main
keyboard has two operating modes;
(1]
Normal mode
[2]
Graphic mode
Keys provided on the
main keyboard
produce different characters
according to operating
mode,
as shown
in Figure
1.6.
normal mode
A
a
hold down
SHIFT
graphic mode
V
4*
hold down
SHIFTS
Figure
1.6 Different characters
of
the X key
Note
that
the letter
key normally
produce capital letters. To
enter
lower case letters, hold
down
the SHIFT key
then press the letter key-just opposite of an ordinary
typewriter.
The reason for this is that
capital
letters are
generally
easier to
read on the
screen,
so
most people prefer to write
their
programs
in capital letters.
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