ZX81 Emulation?

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This topic contains 4 replies, has 2 voices, and was last updated by Profile photo of dave dave 1 year, 2 months ago.

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #120684
    Profile photo of dave
    dave
    Participant

    Hi guys

    Has anyone managed to get ZX81 emulation working? I believe there is an emu that should work ‘SZ81’.

    http://sz81.sourceforge.net/

    I thought it could be in the ‘experimental roms’, but dont see it.

    Could anyone point me in the right direction to installing it and if possible add it to the emulation station GUI?

    I’m very new to all this, so would need an idiots guide!

    #120685
    Profile photo of dudleydes
    dudleydes
    Participant

    You can use ZEsarUX emulator which can be installed from the experimental menu.

    To emulate the ZX81, you will need to add the following line to the config file, /opt/retropie/configs/zxspectrum/.zesaruxrc:

    --machine ZX81
    I’m not not familiar with the ZX81 so I’ve not played around with it myself. If you need further guidance in using ZEsarUX, then please let me know.

    #120687
    Profile photo of dave
    dave
    Participant

    Hey thanks! I’ve give that a go.

    Not quite sure even how to edit config files yet. Sorry I said I was new!

    Once I get that, how do I get it to show up in Emulation Station? I installed the Daphne emu, and not managed to get that working yet either.

    #120688
    Profile photo of dudleydes
    dudleydes
    Participant

    The simplest way to edit a config file is to use samba shares. It should be enabled by default. The wiki explains it all.

    https://github.com/retropie/retropie-setup/wiki/First-Installation#samba-shares-needs-an-active-internet-connection

    Alternatively you can use a FTP client like WinSCP (check the section above Samba shares in the wiki).

    You can also use SSH to edit config files. (wiki link: https://github.com/retropie/retropie-setup/wiki/ssh

    The command you can use to edit the config file would be

    sudo nano /opt/retropie/configs/zxspectrum/.zesaruxrc
    Place your roms in /home/pi/RetroPie/roms/zxspectrum folder. ZEsarUX supports .P, .81 and .Z81 formats for the ZX81.

    Once you’ve installed ZEsarUX, there will be a +Start ZEsarUX script. You can use this to launch the emulator and have a play with a ZX81 computer. You can also load tapes using Smart load option from the menu (F5).

    Roms should automatically appear in ES. If they do not, then it’s because the format isn’t included in es_systems.cfg and you will need to edit the file. Let me know if you’re not sure how to do this.

    #120690
    Profile photo of dave
    dave
    Participant

    Thanks dudleydes!

    I managed to install ZEsarUX at lunchtime. I noticed that it seems to have changed the default Spectrum emu to itself. Not a problem, I know you can select individual emus for different roms.

    I still need to stick the roms in the spectrum folder, and edit the config file. I have been using WinSCP to transfer roms quite successfully. I also use this at work to move files around, and can edit text files using it. I dont know why I thought this would be any different. Sometimes you can over think things!

    Seeing as though ZEsarUX emulates both ZX81 and Spectrum, and that I need to drop the ZX81 roms in the Spectrum folder, does this mean that the best I can hope for is to run ’81 games from the Spectrum section in Emulation Station? Would it be possible to configure so that there is a ZX81 option along with all the other systems? Or am I trying to run before I can walk?

    Thanks again for helping

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