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TVP4020
Programmers Reference Manual
Graphics Register Reference
203
Bit18
Patch Enable:
0 = Disable
1 = Enable patched addressing for framebuffer accesses
Bit19
PackedData:
0 = Disable. Force P
ERMEDIA
to read one pixel at a time.
1 = Enable. Allow P
ERMEDIA
to read multiple packed pixels when
possible.
Bit20-22
RelativeOffset
3 bit 2's compliment value which specifies the number of pixels that
the source data has to be adjusted to align with the destination
data. The PackedDataLimits register also has this field and the last
loaded of these two registers takes effect.
Bit25-26
Patch Mode
0 = Patch (suitable for depth buffer patching)
1 = Subpatch (suitable for texture buffer patching)
2 = SubpatchPack (suitable for packed texture patching)
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 ...