Re: [hatari-devel] Monochrome bug with latest Hatari

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 28/12/2015 13:09, Troed Sångberg a écrit :
> I'll take a look at it later on target hw. It removes the right and
> lower borders just as it should (I've looked at the cycle switch timings
> when running in Hatari) but I have no idea what a switch at cycle 12-20
> is meant to accomplish (or if it indeed does something, how).
>
> Mono line start is at cycle 4, line end at cycle 164 = 160 cycles = 640
> pixels. Modifying the resolution register _after_ cycle 4 is ... weird.

I don't have a mono setup to try it, but if I recall correctly, you need 
to manually calibrate the timing by pressing left/right until it reaches 
the correct position. So maybe it's not always stable on all machines.