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參數(shù)資料
| 型號(hào)： | M3720-1 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1 KEY 1 SOUND |
| 中文描述： | 1鍵1聲 |
| 文件頁(yè)數(shù)： | 66/121頁(yè) |
| 文件大?。?/td> | 1907K |
| 代理商： | M3720-1 |
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MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
66
(9) Scanning Line Double Count Mode
1 dot in a displayed character is normally shown with 1 scanning line.
In the scanning double count mode, 1 dot can be shown with 2 scan-
ning lines. As a result, the displayed dot is extended 2 times the
normal size in the vertical direction only (that is to say, the height of a
character is extended twofold.)
In addition, because the scanning line count is doubled, the display
start position of a character becomes also twofold position in the
vertical direction.
In other words, the contents of the vertical position register is as fol-
lows:
In ordinary mode
256 steps as values “00
16
” to “FF
16
”
(4 scanning lines per step)
In scanning line double count mode
128 steps as values “00
16
” to “7F
16
”
(8 scanning lines per step)
If the contents of the vertical position register for a block are set in
the range of “80
16
” to “FF
16
” in the scanning line double count mode,
that block cannot be displayed (not output to the CRT screen). The
scanning line double count mode is specified by setting bit 6 of the
CRT control register 1 (address 00EA
16
) to “1.”
Since this function works in units of a screen, even if the mode is
changed during display of 1 screen, the mode before the change
remains until the display of the next screen.
Fig. 62. Display in Ordinary Mode and in Scanning Line Double Count Mode
Scanning line 32 lines
A
2
Vertical position A
2
(a) Display in the ordinary mode
(b) Display in the scanning line double count mode
Vertical position A
Scanning line 16 lines
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M3720-10 | 1 KEY 1 SOUND |
| M3720-2 | 1 KEY 1 SOUND |
| M3720-3 | 1 KEY 1 SOUND |
| M3720-4 | 1 KEY 1 SOUND |
| M3720-5 | 26604060VOID34 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M3720-10 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
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