Re: [hatari-devel] Falcon mono monitor emulation color bug

[Anders Eriksson <evldhs@xxxxxxxxxxxxxx>]

Falcon supports a real SM124/144 via the DIN13 adapter. No duochrome there :)

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Anders Eriksson

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On Friday, June 13th, 2025 at 09:37, Miro Kropáček <miro.kropacek@xxxxxxxxx> wrote:

Hi,

is that really a bug? I mean falcon doesn't have a monochrome but duochrome display, you are free to set whatever colour you want in its palette registers. So maybe they are just uninitialised / initialised with a different colour than the author anticipated.

On Thu, 12 Jun 2025 at 22:37, Eero Tamminen <oak@xxxxxxxxxxxxxx> wrote:

Hi,

I just came across interesting Hatari bug when testing STDOOM:
https://github.com/indyjo/STDOOM/tree/master#readme

If I let it run the demo under Falcon + mono monitor:
hatari -m -s 8 --trace os_base --machine falcon --fpu 68882 stdoom20.tos

Damage to the protagonist, and picking up a health bonus, which cause
red and green flashes on the screen in color modes, showed colored also
on Hatari emulated *monochrome* monitor.

Further testing showed it happening also e.g. with Nibe2 game, see
attached pic.


- Eero

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