Rolf

@Hibou49, are the colours still wrong on your NTSC tv? If it's not a hardware faults as Gideon suggests, then please know that the more recent firmwares support colour palettes....

Shouldn't the title of the bug report be that the U2 doesn't work with CCGMS ? And perhaps even more specific, "the modem emulation/swiftlink does not work"? There are a...

Firmware v 1.06 is pretty old. Current firmware at the time of writing is 1.0B and has lots of fixes for the CPU. You can download it here: https://ultimate64.com/firmware ....

> I did some more testing with U64 + virtual 1571, comparing with VICE r42514 x128 in 64 mode with virtual 1571. Please use real hardware to compare whether software...

What is 1542u2.exe? Is that a dos binary or so? If the idea is to reset the computer after you've ran the binary you created, why not send a reset...

How do you have the audio from the a/v port connected? https://1541u-documentation.readthedocs.io/en/latest/hardware/av_plug.html

According to the documentation, the [redesign of the cartridge code](https://1541u-documentation.readthedocs.io/en/latest/howto/cartridges.html) has been done in [firmware 3.10](https://1541u-documentation.readthedocs.io/en/latest/howto/installing_310.html). Meaning that this ticket can be closed.

Here you go: https://web.archive.org/web/20190802174535/http://theyamo.kapsi.fi/ccutter/ and https://web.archive.org/web/20190802174543/http://theyamo.kapsi.fi/ccutter/ref.html

I have encountered the same problem when changing SID type with right-click of the mouse from 6581 to 8580. When I load the saved file, it reverts to the default...

Wouldn't this also happen when you would change a physical drive and leave the 1571 formatted disk in? Try visualising it like that. Remove the disk and replace it with...