First thing to test is the 128MB memory. The Spectrum core expects it to run at a higher speed than other cores, see:
https://github.com/MiSTer-devel/Main_Mi ... -use-SDRAM
You can run the memory test core, full details here:
https://www.youtube.com/watch?v=i_598L49Qrs
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- Sun Oct 25, 2020 4:52 pm
- Forum: ZX Spectrum, ZX81, SAM Coupé, TSConf, QL, Next
- Topic: Speccy Core Unstable
- Replies: 3
- Views: 4019