Florian Klaempfl <flor...@freepascal.org> schrieb am Mo., 27. Apr. 2020, 18:28:
> Am 27.04.2020 um 17:52 schrieb Karoly Balogh (Charlie/SGR): > > Hi, > > > > On Mon, 27 Apr 2020, Sven Barth via fpc-devel wrote: > > > >>> Well, I'm surprised and impressed you got it to work at all... > >>> Quite an achievement. > >> > >> Considering that we already support AVR as well I was rather confident > >> here. :D Maybe in the future we can also add GameBoy support which uses > >> some Z80/8080 hybrid? ^^' > > > > I have no idea, but quickly read through some docs, and it seems the > > GameBoy CPU doesn't have IX/IY registers, which seems to be very useful > to > > implement some of the more complex references handling, according to what > > Nikolay wrote earlier. > > Yes. IX and IY are the key for the FPC Z80 port. Without them it's > getting really difficult. And I suspect we need to work without a normal > stack but allocate local variables globally, so basically no recursion > will be possible. > Pity... Oh, well, a topic for another time then :) Regards, Sven >
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