The article discusses a new graphical extension for the ZX Spectrum that enhances color palettes without increasing resource demands. By using a modified flash signal, new colors are created without interfering with existing software compatibility. The article provides implementation details and addresses practical usage concerns.

Discussion of combining sound effects with music for Spectrum's AY chip. Examples from development of 'CSC: Deja Vu' and technical challenges faced. Contains practical guide and code examples.