29
Bit
Bit
Decimal
Meaning
N o .
value
value
0
1
Unused (Always 0)
1
2
0
Still does not draw.
1
Already drew.
2
4
Unused (Always 0)
3
8
0
Data exist in I/O buffer
8
No data exists in I/O
buffer
4
16
0
Pause OFF
16
Pause ON
5
32
32
Unused (Always 0)
6, 7
64, 128
Unused (Always 0)
8
256
256
Always ON (256)
9
512
0
WD, or [ESC]. O
instruction was executed.
512
A function key was
pressed in the Keyboard
Mode.
10—15
Unused (Always 0)
n
Handshake
0
ENQ/ACK (dummy)
1
Xon/Xoff
2
ENQ/ACK (mode 2)
3
Hardwire
Instruction
Format
Parameter
Range ([ ] is default)
Explanation
ESC .I
[ESC].I<P1>;<P2>;
P1:Limit of the remaining
0—15358(byte) [80(byte)]
Used for performing the Xon/Xoff handshake and
Set Xon/Xoff
<P3> ;••••••••;<P12>:
buffer capacity (for Xon/Xoff)
the ENQ/ACK handshake mode 2.
Handshake and
The number of data block bytes
The [ESC].I instruction with no parameter performs
ENQ/ACK Handshake
(for ENQ/ACK (mode2))
a dummy handshake. In a dummy handshake, al-
Mode2
P2:ENQ character
[0(Sets nothing)]
ways returns the ACK character to the host com-
(for ENQ/ACK (mode2))
puter, regardless of the remaining buffer capacity,
0(for Xon/Xoff)
when receiving the ENQ character.
P3—P12
[All 0(Sets nothing)]
:Xon character(for Xon/Xoff)
ACK character
(for ENQ/ACK (mode2))
ESC .P
[ESC].Pn:
n :Handshake type
0—3 [0]
Sets the type of handshake used.
Select Handshake
The types of handshakes corresponding to the para-
meters 0 to 3 and the setting combinations of their
equivalent device control instructions are as
follows:
Status Instructions
ESC .A
[ESC].A:
None
When receiving this instruction, returns the follow-
Output Model Name
ing numerals to the host computer.
1610
ESC .O
[ESC].O:
None
Outputs the decimal value that represents the status
Output Status Word
of a plotter. This value is the sum of bits shown in
the table below.
Summary of Contents for CAMM-1 PNC-1610
Page 41: ...R12 980109 ...
