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NEC CP/M-86 - Page 175

NEC CP/M-86
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GSX-86: Graphics
for
the
APe
SET
WRITING
MODE
This
operation
affects the way pixels from lines, filled areas, text,
and
so
on
are
placed
on
the display.
Input
Output
SET
INPUT
MODE
contrl(l)
contrl(2)
intin(1)
contrl(3)
intout
Opcode = 32
o
Requested writing mode
1
= replace
2
= overstrike
3
= complement (xor)
4
= erase
o
Selected writing mode
This
operation
sets the
input
mode
for
the specified logical
input
device (locator,
valuator,
choice, string) to either request
or
sample. In request mode the driver waits
until
an
input
event occurs before returning. In sample mode, the driver returns the
current
status/location
of
the input device without waiting.
Input
Output
contrl(l)
contrl(2)
intin(1)
intin(2)
contrl(3)
intout
Opcode =
33
o
Logical
input
device
1
= locator
2
=
valuator
3 = choice
4
= string
Requested
input
mode
1
= request
2
= sample
o
Selected
input
mode
9-43

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