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): 55/100頁
文件大?。?/td> 571K
代理商: TVP3010-135
2–41
2.16.5
These registers are used to specify the (x,y) location of the 64 x 64 sprite with respect to the crosshair
location (see Section 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 crosshair at the center
of the 64
×
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.
Sprite-Origin X and Y Registers
SPRITE-ORIGIN X
D4
Data Bit
D7
D6
D5
D3
D2
D1
D0
X Origin
0
0
X5
X4
X3
X2
X1
X0
Index = 04h
SPRITE-ORIGIN Y
D4
Data Bit
D7
D6
D5
D3
D2
D1
D0
Y Origin
0
0
Y5
Y4
Y3
Y2
Y1
Y0
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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