TVP4020
Programmers Reference Manual
Graphics Programming
61
5.3.14
Registers
Real coordinates with fractional parts are provided to the Rasterizer in
2's complement fixed point. The point is kept consistent with a 16.16
format even though some of the integer and fractional bits may not be
significant. The integer portion should be sign extended to fill unused
bits; unused bits in the fraction should be set to zero.
Integer Portion
Fractional Portion
0
8
16
24
31
Figure 5.8
Real Coordinate Representation
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 ...