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CHAPTER 18 OSDC
18.5.4
Line Control Data Setting (Command 3, Command 4)
Line VRAM is set by executing command 4 after setting the line control data by
command 3, and it displays it on the screen.
■ Command 3(Line Control Data Setting 1)
❍ Address: 106
❍ Format
15
14
13
0
0
0
LHS:
Character vertical size
type control
(0: Character vertical size A)
(1: Character vertical size B)
LW2 - LW0:
Line spacing control
(0 to 14 dots, 2-dot unit)
LF3 - LF0:
Framing color
(16 colors)
❍ [Function]
This command sets the line control data. Line VRAM is set by executing the line control data
setting 2 (command 4), and it displays it in the screen.
❍ [Supplement]
• Character vertical size A/B selected by character vertical size kind control (LHS bit) content is
set by the character vertical size control (command 6-0).
• The framing form is set by the framing form control (FM1 and FM0 bit) of screen output control
2 (command 5-1).
614
H
12
11
10
9
LHS
0
LW2 LW1 LW0 LFD
8
7
6
5
LFC
LFB
LFD, LFC:
Framing output control
(0, 0: All OFF)
(0, 1: Only the character of the character
background none is framed ON.)
(1, 0: Framing output ON)
(1, 1: Framing output ON)
LFB, LFA:
Framing control
(0, 0: Framing OFF)
(0, 1: Right framing)
(1, 0: Left framing)
(1, 1: Right and left framing)
4
3
2
1
LFA LF3
LF2
LF1
0
LF0
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