the Desktop works in User mode, in order to read/write OS variables or hardware registers you have to swith to SuperVisor mode. No, it doesn't. In TOS, it is in Supervisor-mode all the time. You're right. I've just checked under emulator and actually the Destkop 1.62 works in SuperVisor mode. I was...

Since TOS does all the work anyway when it detects the mono pin, might you recode that routine so instead of TOS checking the mono pin, it checks the selection in the desktop menu ? nice and simple idea I tried it, but I always see a bus error (2 bombs) and an infinite reset loop if I set it up tha...

no hurry Smonson

would be cool
thanks

I've patched TOS 1.4 UK to allow selecting any resolution from the Desktop Preferences. This is probably only useful with the HDMI mod at this stage, since a monitor cable can only either be connected to the RGB lines or the mono-out pin at a time. This screencast shows it running under Hatari, but...

If I'm not wrong, Suska isn't cycle exact

exxos wrote: ↑

Tue Dec 31, 2019 11:40 pm

@Cyprian We're talking about TOS206 on STFM ...

ok,
can you do some tests?
I could provide necessary PRG files.

I would say the TOS in STfm has slower blitting functions than in STe. Bear in in mind STfm TOS has less space than STe's one - 192k vs 256k. Atari did some optimisation in order to fit the TOS in 192k (like using LineF functions), which are not present in STe TOS. It could have an impact onto perfo...

impressive

nice news