Guide for ZX Spectrum Next assembler developer. Available as free to download PDF from releases page, or printed coil bound book at https://bit.ly/zx-next-assembler-dev-guide
NEXTREG is only used to write values, but sometimes it's useful to be able to read them too using ports $243B and $253B so it would be nice to add this info with example program somewhere in the book...
NEXTREGis only used to write values, but sometimes it's useful to be able to read them too using ports$243Band$253Bso it would be nice to add this info with example program somewhere in the book...