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S1D13506 参数 Datasheet PDF下载

S1D13506图片预览
型号: S1D13506
PDF下载: 下载PDF文件 查看货源
内容描述: S1D13506彩色LCD / CRT / TV控制器 [S1D13506 Color LCD/CRT/TV Controller]
分类和应用: 电视控制器
文件页数/大小: 696 页 / 5934 K
品牌: EPSON [ EPSON COMPANY ]
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Epson Research and Development  
Page 143  
Vancouver Design Center  
14.2.10 Ink Layer  
The functions in this section support the hardware ink layer. These functions are nearly  
identical to the routines to control the hardware cursor.  
The same S1D13506 uses the same hardware for both hardware cursor and ink layer which  
means that only the cursor or the ink layer can be active at any given time.The difference  
between the hardware cursor and the ink layer is that in cursor mode the image is a  
maximum of 64x64 pixels and can be moved around the display while in ink layer mode  
the image is as large as the physical size of the display and is fixed in position. Both the ink  
layer and hardware cursor have the same number of colors and handle these colors identi-  
cally.  
DWORD seInitInk(void)  
DWORD seInitLcdInk(void)  
DWORD seInitCrtInk(void)  
DWORD seInitTvInk(void)  
Description:  
These functions initialize the ink layer for use. The initialization includes: allocating ink  
layer memory, filling the ink layer image with a transparent color, and enabling the ink  
layer.  
If memory was previously allocated for the ink layer or a hardware cursor on the surface  
then this memory is first released.  
Call seInitInk() to initialize the ink layer for the current active surface.  
Call seInitLcdInk(), seInitCrtInk(), and seInitTvInk() to initialize the ink layer for the sur-  
face indicated in the display name.  
Parameters:  
None.  
Return Value:  
The return value is the thirty-two bit offset in CPU address space to the start of the ink  
layer memory. If there is an error the return value is 0.  
Note  
On 16-bit DOS systems the return value must be converted into a segment:offset before  
use.  
Programming Notes and Examples  
Issue Date: 01/02/06  
S1D13506  
X25B-G-003-03  
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