GSX-86 Device Specific Information
ADDS VIEWPOINT WITH DIGITAL ENGINEERING
RETRO-GRAPHICS (GEN. II)
FILENAME
DDGN2B.SYS
DEVICE
INDEX
The actual device index for this device
is
determined
in the ASSIGN.SYS file, which associates a device
index with a GIOS module (device driver).
MAXIMUM
BAUD
RATE
9600
baud
for all graphics
COMMUNICATIONS
Standard
serial communications (RS-232C). The
ADDS
VIEWPOINT
with Retro-Graphics uses
XON-XOFF
flagging
to
avoid losing
data
at
high
baud
rates.
GRAPHIC
INPUT
(GIN)
When
GIN
is
invoked
on
the
VIEWPOINT
Retro-
Graphics terminal, a crosshair cursor appears
on
the
screen. The crosshair can be moved by pressing one
of
the four cursor movement keys
on
the keyboard
while simultaneously pressing the
SHIFT.
When the
cursor
is
at
the desired location, the
point
can be
selected by pressing any alphanumeric key (other
than
RETURN). This causes the coordinates
of
the
point
to be transmitted
back
to the user program.
TEXT
The
VIEWPOINT
Retro-Graphics terminal has
continuous scaling character sizes. Text can be
rotated
in 90-degree increments. One font,
standard
ASCII vector characters,
is
available.
K-7
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