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): 90/100頁
文件大?。?/td> 571K
代理商: TVP3010-135
E–4
Sprite Origin (x, y) Register
These registers are used to specify the (x,y) location of the 64 x 64 Sprite with respect to the cross hair
location (see 2.5.3). The Sprite Origin X and Y registers can contain values from 0 to 63 decimal. Both
registers are initialized to 1F (hex), 31 (decimal), which sets the center of the cross–hair at the center of the
64 X 64 sprite. Both registers may be written to or read from by the MPU at any time. The Sprite Origin is
not updated until the vertical retrace interval after Sprite Origin X and Y registers have been written by the
MPU.
Table J–5.
Sprite Origin X
Data bit
D7
D6
D5
D4
D3
D2
D1
D0
X Origin
0
0
Y5
4
3
2
1
0
Index = 04h
Table J–6.
Sprite Origin Y
Data bit
D7
D6
D5
D4
D3
D2
D1
D0
Y Origin
0
0
5
4
3
2
1
0
Index = 05h
Values from 00 (hex) to 3F (hex) may be written into the Sprite Origin X and Y registers.
Bits D6 and D7 are always 0.
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