17 August 2018, 19:12 | #21 |
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18 August 2018, 00:44 | #22 |
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You can see the Mist FPGA code for amiga, and create it, also see ram handling for it
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18 August 2018, 00:44 | #23 |
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Hi,
A straightforward solution is to use a couple of Video chips from Analog Devices. The ADV7842 will accept RGB, YC or Composite video, deinterlace and 3D comb filter and output to a 36 bit pixel bus. It needs a SDRAM chip to buffer frames. Then use the ADV8005 for HDMI or SD/HD video output + upscaler or a cheaper option is the ADV7513 which is HDMI output only. You would also need a microcontroller to control the devices via I2C and a few hundred hours of patience/development time to get them working perfectly. |
18 August 2018, 01:31 | #24 |
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Anyway, I posted in A1K.org the schematics fo Multivision 2000 and someone else posted the jeds for the gals. So it's free to get if someone wants.
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18 August 2018, 15:42 | #25 |
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Not exactly the same. The cheap SCART->HDMI adapters add something looking like MPEG macroblocks around moving objects (notably the mouse pointer), which looks entirely different than deinterlacing artefacts and doesn't stem from any inherent problems with interlaced signals.
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18 August 2018, 16:01 | #26 |
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Yuck. I never recommend those myself, the OSSC or Framemeister are the good devices, but it ain't cheap. :-)
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