Bibliography
From SpecNext Wiki
ZX Spectrum Next Documentation
ZX Spectrum Next Manual
- Available online: FAQ#Where_can_I_download_a_copy_of_the_manual?
docs Directory of the Distribution
- https://gitlab.com/thesmog358/tbblue/-/tree/master/docs , especially note the nextzxos folder written and kept up to date by the author of NextZXOS and NextBASIC.
Next-specific Books
(The Next specific books are typically written under assumption that the reader is already familiar enough with the low-level hardware programming aspects relevant to the original ZX Spectrum, so the readers who aren't should also check the books about the "classic" ZX Spectrum too)
ZX Spectrum Next Assembly Developer Guide by Tomaž Kragelj
- Available as a free to download PDF https://github.com/tomaz/zx-next-dev-guide/ or as a printed coil bound book.