Files for download
- 64k-newdecoder.gif 8.6kB (2006-03-22 02:22)
- Internal 64kB for mapped to addresses #2000..#FFFF by Wilf Righter (2005).
- 32k-newdecoder.gif 8.2kB (2006-03-22 02:21)
- Internal 32kB mapped to addresses #2000..#9FFF by Wilf Righter (2005).
- zx81.zip 621.2kB (2002-03-04 23:19)
- Original UK assembly instructions in HTML format with schematic/component layout.
Links to other pages
- Here you will find a collection of articles of enhancements for the ZX81 Personal Computer. Some are brand new and others revisit the many projects Wilf Righter have contributed over the years. Enjoy!