NEC CP/M-86 System Reference Manual page 175

Advanced personal computer
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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
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