TVP4020
Programmers Reference Manual
Graphics Register Reference
191
Name:
X Derivative - Red
Unit:
Color DDA
Region: 0
Offset:
0x0000.8788
Tag:
0x00F1
Reset Value:
Undefined
Read/write
0
8
16
24
31
Integer
Not used
Fraction
Not used
Sign
This register is used to set the X derivative for the Red value for the interior of a trapezoid
when Gouraud shading. The value is 2's complement 9.11 fixed point format.
Name:
Y Derivative Dominant - Red
Unit:
Color DDA
Region: 0
Offset:
0x0000.8790
Tag:
0x00F2
Reset Value:
Undefined
Read/write
0
8
16
24
31
Integer
Not used
Fraction
Not used
Sign
This register is used to set the Y derivative dominant for the Red value along a line, or the
dominant edge of a trapezoid when Gouraud shading. The value is 2's complement 9.11
fixed point format.
dRdx
dRdyDom
Содержание TVP4020 PERMEDIA 2
Страница 1: ...Texas Instruments TVP4020 PERMEDIA 2 Programmer s Reference Manual Issue 4 ...
Страница 47: ...Memory I O and Organization TVP4020 Programmers Reference Manual 38 Texture address TextureBaseAddress T W S ...
Страница 284: ...TVP4020 Programmers Reference Manual A Gouraud Shaded Triangle 275 ...
Страница 292: ...TVP4020 Programmers Reference Manual Register Tables 283 ...
Страница 314: ...TVP4020 Programmers Reference Manual Index 305 ...
Страница 315: ...Index TVP4020 Programmers Reference Manual 306 Index ...
Страница 323: ...Index TVP4020 Programmers Reference Manual 314 ...