Filter
Top Products
Chapter 7. Dec LG/Compaq LG Plus Emulation GEK-00029B
182
DECAWM Autowrap Mode:
Determines what happens when text exceeds the
right margin. When autowrap is enabled and text exceeds the right
margin, the active print position moves to the left margin on the next
line. When autowrap is disabled and text exceeds the right margin,
data will be lost.
DECPSM Pitch Select Mode:
Controls the Set Horizontal Pitch (DECSHORP)
sequence. When Pitch Select Mode is enabled, the current font
determines the pitch. When disabled, the printer uses the horizontal
pitch selected by the DECSHORP sequence.
DECCRNLM Carriage Return / New Line Mode:
Defines the response to the
Carriage Return character. When Carriage Return New Line Mode is
enabled, a received Carriage Return will return the active position to
the left margin on the next line. When disabled, a Carriage Return will
return the active position to the left margin on the current line.
VFU Load Vertical Format Unit:
This sequence will download the VFU
from the host. All data following this load sequence is placed into the
VFU memory until terminated with the End Load sequence. Any
command entered during the load is ignored except the End Load
sequence. All data must be in the VFU load format. If an error is
detected during the load, the load is aborted. If a load exceeds the
form length, the load is aborted. Cancelled loads default to the
current form length setting.
General Command Syntax
ESC [ < 1 h
The VFU load format consists of two bytes for each line on the page.
First Byte
Bits 7 6 5 4 3 2 1 0
Values Not
Used
Always
1
Channel
6
Channel
5
Channel
4
Channel
3
Channel
2
Channel
1
Second byte
Bits 7 6 5 4 3 2 1 0
Values Not
Used
Always
1
Channel
12
Channel
11
Channel
10
Channel
9
Channel
8
Channel
7
Channel 1: Identifies the Top Of Form.
Channel 12 Identifies the Bottom Of Form.
Decimal: 27 91 60 49 80
Hex: 1B 5B 3C 31 68
BASIC: CHR$(27);"[<1h";