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https://opencores.org/ocsvn/video_dithering/video_dithering/trunk
[/] [video_dithering/] [trunk/] [dither.vhd] - Diff between revs 2 and 3
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Rev 3 |
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Line 58... |
-- calculate dithered colors
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-- calculate dithered colors
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if (enable = '1') then
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if (enable = '1') then
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intermediate_color(1) := ("0" & unsigned(din_r)) + dither_buffer_next(1) + unsigned(dither_buffer_fromRam(1));
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intermediate_color(1) := ("0" & unsigned(din_r)) + dither_buffer_next(1) + unsigned(dither_buffer_fromRam(1));
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intermediate_color(2) := ("0" & unsigned(din_g)) + dither_buffer_next(2) + unsigned(dither_buffer_fromRam(2));
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intermediate_color(2) := ("0" & unsigned(din_g)) + dither_buffer_next(2) + unsigned(dither_buffer_fromRam(2));
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intermediate_color(3) := ("0" & unsigned(din_b)) + dither_buffer_next(3) + unsigned(dither_buffer_fromRam(2));
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intermediate_color(3) := ("0" & unsigned(din_b)) + dither_buffer_next(3) + unsigned(dither_buffer_fromRam(3));
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for c in 1 to 3 loop
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for c in 1 to 3 loop
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if (intermediate_color(c)(8) = '1') then intermediate_color(c) := '0' & to_unsigned((2**color_width) - 1, color_width); end if;
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if (intermediate_color(c)(8) = '1') then intermediate_color(c) := '0' & to_unsigned((2**color_width) - 1, color_width); end if;
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