gp2x - ZX Spectrum 128 / +3 emulation via gp2xpectrum v1.1 (Video) 1 discussions The Sinclair and later Amstrad Spectrums are emulated up to the 128 and even 1987's +3 model. Some 256 color games are mixed into this demo although it'll be difficult for most people to tell the dif.. Tags: gp2x gp32 xgp sinclair amstrad spectrum 128 cp/m cpm z80 z81 z82 ds nds psp gba pda palm c64 c128 atari800 caprice hack