Integer scaling and scalines questions

Es gibt 4 Antworten in diesem Thema, welches 1.511 mal aufgerufen wurde. Der letzte Beitrag (24. September 2019 um 12:03) ist von ZeHa.

  • Are there any details regarding how C64 games are displayed when playing through the HDMI connection (I presume at 1080p)?

    For example:

    1. Integer scaling option
    2. Integer scaling with x5 options (and extra lines that don't fit being cut out
    3. 1:1 pixel mode, other modes
    4. Scanline and other CRT shader effects

    :) Thank you!

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    Edit:

    I made some research on the resolution and it seems that the only HD resolution is 1200p? These posts are from like 4 years ago though, so I would like to ask if 1080p50hz has been implemented as in this day and age, that would be the best option (I believe).

  • The resolution is now 800x600. At the moment there is no double-scanning, but the VIC-IV knows to draw C64-style raster lines twice, but you can change the colours etc during this process, so you have full vertical resolution.

    Paul.

  • A bit disappointed. Will wait to see if someone does 1080p50 support before buying.

  • It's open source, so people are welcome to. The reason for going back to 800x600 is to avoid having to use an even more expensive FPGA, and some related complexities. Also, in our experience from having used the earlier stages at 1920x1080 and 1920x1200, there simply isn't much need or use for this in an 8-bit computer in our view. But as I say, it is open-source, and folks are welcome to implement what they like, but our focus is getting something affordable out the door in a reasonable time frame, so we can't do everything that everyone would like straight away.

    Paul.

  • I'd have some questions too. In an old video, the image was fairly "widescreen", in newer videos however, the image is 4:3 and the border is a bit off-centered. I have read now in this thread that the image is now 800x600, which I assume should be basically a PAL image (720x576) inside a slightly larger border. Will this be the final design? Will it be more centered in the end?

    I think having a 4:3 image is not bad in general, as it's probably closer to the original C65 anyway (when googling for C65 pictures, the screen image in C65 mode is also 4:3 on standard Commodore monitors). But I wonder about those higher res modes which were originally planned, are they now off the list? (which I wouldn't mind since I wouldn't have used them anyway) And as said before I wonder about the centering and such.

    Also, have you tested converting the VGA image to RGB or Composite or S-Video? Because I'd like to run the MEGA65 with a real CRT PAL monitor if possible, instead of a VGA monitor...

    - neue Spiele für den C64 -
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