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TVP4020
Programmers Reference Manual
Graphics Register Reference
189
Name:
Draw line
Unit:
Delta
Region: 0
Offset:
0x0000.9320
Tag:
0x0264
Reset Value:
Undefined
Write
0
8
16
24
31
Reserved
Reserved
Primitive type
Reserved
Reserved
Texture enable
SubPixelCorrectionEnable
Fog enable
Bit6-7
PrimitiveType These bits indicate the type of P
ERMEDIA
primitive to be
drawn. The primitives supported and the corresponding codes are:
0 = lines,
1 = trapezoids,
2 = points,
3 = rectangles.
Bit13
TextureEnable. Note that the Texture Units must be suitably enabled as
well for any texturing to occur.
0 = Disable
1 = Enable
Bit14
FogEnable. Note that the Fog Unit must be suitably enabled as well for
any fogging to occur.
0 = Disable
1 = Enable
Bit16
SubPixelCorrectionEnable. Enables the sub pixel correction of color,
depth, fog and texture values at the start of a scanline span.
0 = Disable
1 = Enable
DrawLine10
Summary of Contents for TVP4020 PERMEDIA 2
Page 1: ...Texas Instruments TVP4020 PERMEDIA 2 Programmer s Reference Manual Issue 4 ...
Page 284: ...TVP4020 Programmers Reference Manual A Gouraud Shaded Triangle 275 ...
Page 292: ...TVP4020 Programmers Reference Manual Register Tables 283 ...
Page 314: ...TVP4020 Programmers Reference Manual Index 305 ...
Page 315: ...Index TVP4020 Programmers Reference Manual 306 Index ...
Page 323: ...Index TVP4020 Programmers Reference Manual 314 ...