Explanation:
Line 130
Opens two files Modify the command, to open
a
file depending on the in
dividual computer.
Line 140
to
Sets interrupt processing.
Line 150
Line 170
Clears buffer data of the DXY-1000 series
Line 180
Initializes settings for handshake.
Line 190
Sets both monitor mode and hardwire handshake mode to OFF.
Line 200
Taking the delay time until the DXY-1000 series starts outputting as 100
m/sec, sets the output terminator to [CR]CHR$( 13).
Line 230
Taking the ENQ code as [ ENQ]CHR$(5) and the ACK code as
[ACK]CHR$(6), sets the data block to 256 bytes.
Line 1000
Gets out of the main program by interrupt with an ACK signnal from the
to
DXY-1000 series. Sets the DATA1 to a 256 byte data block to output them
Line 1120
to the DXY-1000 series.
With the setting of Line 230, the computer sends the [ENQ]CHR$(5) to the DXY-1000
series. Then the DXY-1000 series returns the [ACK]CHR$(6) as an ACK character to the
computer if the remaining buffer capacity is more than 256 bytes.
In this program, the computer checks the plotter's condition in the main program and out
puts one block (256 byte plotter data) using an interrupt if the buffer still has extra space. If
the buffer has no extra space or no output data in it, the computer processes "Tasks other
than DATA1” .
5.3.5 Handshake Output Specifications
The X on/X off and the ENQ/ACK handshake have different output specifications from each
other, depending on the settings of the device control commands, as shown in Table 5-4
“ O ”
indicates effective output specifications, but “
x "
indicates ineffective output specifica
tions even if they have been set. Also, these output specifications may be affected if they
are output by the RD-GL I output commands.
Output specifications
NEO/ACK
X on/X off
Output
by
RD-GL I
Setting command
(Parameter)
mode1
mode2
Delay time
O
O
X
O
ESC. M(P1)
Output trigger character
O
X
X
o
ESC.M(P2)
Echo terminator
o
X
X
o
ESC.M(P3)
Output terminator
o
X
X
o
ESC.M(P4,P5)
Output initiator
X
X
X
o
ESC.M(P6)
Intercharacter delay
o
o
o
o
ESC.N(P1)
Immediate response character
o
o
X
X
ESC.N(P2 ~ P 1 1 )
Table 5-4
5 -1 5
Summary of Contents for DXY-1100
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