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Ian Hanschen

@furan • 6,246 subscribers

Principal OS Engineer. One of the four engineers who built DWM. Shipped graphics code across Windows, Xbox, and beyond. Served time at Microsoft and Intel.

Shorts

Turns out DisplayLink supports run length encoding, and now, so do I. This is EGA from a Pi Pico 2 on the ISA bus, using DisplayLink over USB 1.1 as the output device.

Turns out DisplayLink supports run length encoding, and now, so do I. This is EGA from a Pi Pico 2 on the ISA bus, using DisplayLink over USB 1.1 as the output device.

35,280 просмотров

come warm yourself by my 100% FPGA logic 3D rasterization pipeline… while the geometry engine (also logic) cubes.

come warm yourself by my 100% FPGA logic 3D rasterization pipeline… while the geometry engine (also logic) cubes.

35,802 просмотров

3,488 triangle edition of the Utah teapot, environment mapped by a hardware geometry engine through my recreation of the SST-1 fixed function pipeline. Important note: because it is the Utah teapot, the bottom is missing. Wouldn't be right to add it. 100% FPGA hardware. Entirely SystemVerilog.

3,488 triangle edition of the Utah teapot, environment mapped by a hardware geometry engine through my recreation of the SST-1 fixed function pipeline. Important note: because it is the Utah teapot, the bottom is missing. Wouldn't be right to add it. 100% FPGA hardware. Entirely SystemVerilog.

28,824 просмотров

I don’t have the BRAM for a depth buffer so it’s time to get the memory controller up and running for this fjord torus. 100% FPGA logic 3D pipeline, no CPU.

I don’t have the BRAM for a depth buffer so it’s time to get the memory controller up and running for this fjord torus. 100% FPGA logic 3D pipeline, no CPU.

29,249 просмотров

a while ago Mikes Electric Stuff made a video about the different methods of driving LED displays w/FPGA covering PWM and gamma correction - very useful if you enjoy driving these yourself (I do).

a while ago Mikes Electric Stuff made a video about the different methods of driving LED displays w/FPGA covering PWM and gamma correction - very useful if you enjoy driving these yourself (I do).

10,095 просмотров

Videos

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Back in July, I reverse-engineered the Sony DTL-H201A Graphics Artist board. Now, PicoGraph has a new non-video-adapter mode based on that work: an emulated PSX GPU on the RP2350B that works with the original Sony toolchain over the ISA bus. Here it is running on the PicoMEM2.

Back in July, I reverse-engineered the Sony DTL-H201A Graphics Artist board. Now, PicoGraph has a new non-video-adapter mode based on that work: an emulated PSX GPU on the RP2350B that works with the original Sony toolchain over the ISA bus. Here it is running on the PicoMEM2.

15,111 просмотров • 1 месяц назад

Visualizing VGA palette tricks in Wolf3D, DOOM, and Quake with an FPGA video card

Visualizing VGA palette tricks in Wolf3D, DOOM, and Quake with an FPGA video card

25,372 просмотров • 5 месяцев назад

I ported a USB DisplayLink driver to the ISA PicoGUS card so I could use it to watch MS-DOS games make changes to the VGA palette in realtime.

I ported a USB DisplayLink driver to the ISA PicoGUS card so I could use it to watch MS-DOS games make changes to the VGA palette in realtime.

20,924 просмотров • 2 лет назад

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