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參數(shù)資料
| 型號： | TVP3010-135 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Hardware Cursor, GAMMA Correction VIP(135MHz,高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板) |
| 中文描述： | 硬件光標(biāo)，伽瑪校正貴賓（135MHz，高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板） |
| 文件頁數(shù)： | 40/100頁 |
| 文件大?。?/td> | 571K |
| 代理商： | TVP3010-135 |
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2–26
The crosshair cursor and the auxiliary window function utilize the same set of window registers. Therefore,
care must be taken if the crosshair cursor is to be displayed when the auxiliary window function is enabled
(ACR0 = 1). See Section 2.6.
2.5.5
Both the user-definable 64
×
64 cursor and the crosshair cursor may be enabled for display simultaneously,
allowing the generation of custom crosshair cursors. As previously mentioned, the sprite-origin (X and Y)
register specifies the 64
×
64 cursor pattern location relative to the cursor position and crosshair cursor.
Dual-Cursor Positioning
Figure 2–8 illustrates displaying the dual cursors, showing the relationship between the auxiliary window,
the crosshair cursor, and the 64
×
64 cursor for the case where the sprite-origin (X and Y) register is set to
(31, 31).
Window Start (x, y)
Cursor Position (x, y)
Crosshair Cursor
64
×
64 Cursor Area
Window Stop (x, y)
Crosshair Window
Figure 2–8. Dual-Cursor Positioning
Figure 2–9 shows one possible custom cursor that could be created by setting the sprite-origin register to
(0,0) and drawing an arrow in 64
×
64 cursor RAM. The cursor window has been set to full screen by setting
the window-start (X and Y) register to 0000 (hex) and the window-stop registers to the last active pixel
location. The 64
×
64 cursor area could be located in different locations about the cursor position by
programming the sprite-origin (X and Y) registers to different values as described earlier (see Section 2.5.3).
Cursor Position (x, y)
Crosshair Cursor
64
×
64 Cursor Area
Sprite Origin = (0, 0)
Crosshair Window = Full Screen
Figure 2–9. One Possible Custom Cursor Creation
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相關(guān)代理商/技術(shù)參數(shù) |
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| TVP3010-135FN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
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| TVP3010-85FN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
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