tang_nano_20k_c64
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vossstef
Video and audio problems
Hi @vossstef!
I could finally test the latest core version on the Tang Nano 20k after flashing the BL616 with the latest firmware, I'm having A LOT of fun with it!
However, I've noticed some video & audio problems:
-If Settings->Screen is set to Wide, there is no HDMI audio. Wide is needed for correct aspect ratio on modern 16:9 monitors.
-If Settings->Screen is set to Wide, screen is not centered: it's displaced towards the left side of the screen.
-SID audio doesn't match the real C64 or the MiSTer core. For example, try Tim Follin's Ghouls'N Ghosts tittle screen music: in both 6581 and 8580 modes, with or without DIGIFIX, it doesn't sound correct (it sounds correct on the MiSTer core). This is how it sounds on real hardware and on the C64 MiSTer core: https://www.youtube.com/watch?v=wz36JWHTk-A Note this music is perhaps the definitive C64 audio test: only the C64 MiSTer core and real C64 passes this hard test :) Are filters supposed to be implemented? Maybe it's simply filters being missing at this point?
