Sinclair ZX80 / ZX81 / Z88 Forums

Understood. I'm a retired SW developer, I understand that things that don't appear to make sense actually sometimes do.

Win 10
dxdiag -> No sound card was found. If one is expected, you should install a sound driver provided by the hardware manufacturer.

Device Manager under Sound, video & game controllers shows no errors or warnings and several audio entries, all OEM on my Lenovo desktop. I've added no sound cards.

Downloaded, extracted & run the exe. At ' Initializing Machine Emulation' with the progress bar fully green I get a popup : Eightyone unable to run directSound creation failed error DSERR_NODRIVER. No sound driver is available for use, or the given GUID is not a valid DirectSound device ID. Despite ...

No sound card. Seems like an odd requirement for an emulator. Any chance of me generating enough of a dummy sound card to get the emulator to function with out it or is it deeply integrated. Alternately, source for a sound card ?

Still having troubles. Is there a manual / some instructions on using this ? I'm finding many thing not intuative.

OK so the new versions don't wanna work for me. I'll try proceeding with version 1.0a. Is drag and drop also the way to load a .o file in this version ?

Yes, it is there ! I used Win10 search and it came back empty. I never liked this new version of windows search, the XP one was much better.

So I deleted it and ran EightyOne but same issue.

I don't find EightyOne.ini anywhere on my system.

Win 10 64 machine Old version 1.0A loads and runs but neither the latest version (V1.31) or 1 year ago versions will run once loaded. Cick on eightyOne.exe the keyboard image appears on screen and goes thru it initialization process until 'initializing Midi' then a popup with 'EAccess violation' app...

Fun stuff. Yea easier to do with a Uno but that's not the point. Not gonna be easy to learn machine language on a Uno. Maybe look into using an 8255 PPI chip to make things a little easier. Great part, easy to use, can eliminate a lot of 'glue' chips & make building up a series of test circuits easi...