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  8K BASIC ROM Upgrade Pages Flicker-Free Program Pages Back Porch Generator Circuit Page Volume Tester Utility Page  
8K ROM Upgrade Flicker-Free Programs Back Porch Generator Volume Tester
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4K ROM Software 4K ROM
Book Programs		 Chroma 80 Interface
If you have any original commercial software for the ZX80 then I would be interested to obtain a copy of it for digital preservation.