Uploads by Persune
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This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 10:37, 20 May 2023 | Quadrature demodulation.svg (file) |  |
86 KB | This diagram illustrates quadrature demodulation, used in decoding composite signals to color YUV. More details can be found on the NTSC video page. The three graphs on the left shows how the Y, U, and V component signals are decoded using the composite signal and a reference carrier wave. The polar graph on the right shows the resulting color phase and saturation of the decoded color. The Y component (shown in orange) is decoded by low passing or comb filtering the input signal. (show... | 1 |
| 05:18, 12 April 2023 | Pal video timing.png (file) |  |
1 KB | Added one missing scanline | 2 |
| 10:57, 11 April 2023 | Ntsc video timing.png (file) |  |
1 KB | PPU dot skipped is off by 1 scanline | 3 |
| 11:03, 27 February 2023 | Composite waveform example.gif (file) |  |
253 KB | Change BG color to $0D | 2 |
| 19:07, 26 February 2023 | NTSC video ragged box animated.gif (file) |  |
4 KB | Animated version of https://www.nesdev.org/wiki/File:NTSC_video_ragged_box.png. The second frame is made by offsetting the frame by 1 "scanline". The filter is replicated as two Convolution Matrix passes in linear light space using GIMP 2.10.32. The kernels used are [1 1 0 1 1] and [1 3 4 3 1] respectively. After filtering the resulting kernels, an approximate 2.4 gamma curve is applied using the Levels tool, setting the middle slider to 1/2.4 (approx. 0.42). This derivative work is also... | 1 |
| 16:45, 11 February 2023 | NES-EWROM-01.svg (file) |  |
332 KB | Update cutout hole dimensions | 3 |
| 16:49, 20 January 2022 | HVC-TGROM-01-board.svg (file) |  |
294 KB | Measurement base changed to millimeters, assuming a 0.1mm grid. | 4 |
| 08:58, 20 January 2022 | HVC-CNROM-256K-01-board.svg (file) |  |
321 KB | Measurement base changed to millimeters, assuming a 0.1mm grid. | 2 |
| 21:28, 9 November 2021 | HVC-TGROM-01-card-edge.svg (file) |  |
52 KB | Outlines of a Famicom 60 pin card edge connector, based on a HVC-TGROM-01 type cartridge PCB; dimensions expressed in inches. https://github.com/Gumball2415/NES-Famicom-Cartridge-Dimensions | 1 |
