* Supports RAM packs on ZX80/81 up to 56 KB * Supports Quicksilva, ZON-X81, and VSYNC-based sound on ZX80/81 * Handles compressed formats zip, tar, rar, gz through external utilities * Handles RAM, EPROM and Intel Flash cards on Z88 * Handles snapshot format: ZX, Z80, SP, SNA (loading only), P, O, Z81 (loading only) * Simulates real tape loading on standard BASIC ROM routines for ZX Spectrum, ZX80, ZX8 * Handles real audio loading (RWA, SMP, WAV) on standard BASIC ROM routines for ZX Spectrum, ZX80, ZX81 * Handles binary tape format files (TAP, TZX, O, P) on standard BASIC ROM routines for ZX Spectrum, ZX80, ZX81

It handles loading of turbo load tapes or any type of tape loading for standard/non standard loading routines * Supports real tape loading of file formats: RWA, SMP, WAV, TZX, TAP, P, O. * Uses Audio Drivers: PulseAudio, Alsa, SDL, DSP(OSS), CoreAudio (Mac OS X). * Uses Video drivers: X-Windows, SDL, Cocoa (Mac OS X), Framebuffer, ncurses, aalib, cacalib, stdout(console) * Emulates all the oddities of the Inves Spectrum +: 64 KB RAM, RAM initialization with FF00H pattern, OUT ula AND RAM, EAR and MIC XOR, no contended memory, snow in border, colour ula delay, interrupt starts at end of top border (not at the beginning of the border), corrupt memory on every interrupt, no idle bus * Supports hi-res modes on ZX Spectrum (rainbow effects and others) and ZX80/ZX81 (UDG, CHR$128, WRX, HRG and some other hi-res modes) * Support interlaced, scanlines and Gigascreen effects * Supports snow effect on Spectrum models * Support ULAPlus: Standard 64 colour palette, linear modes with 16 colours per pixel: Radastan Mode: 128x96, mode 5: 256x96, mode 7: 128x192, mode 9: 256x192 * Supports undocumented Z80 flags, features, and MEMPTR register * Almost perfect emulation of timing of all machine models * Emulates Spectrum models: 16k, 48k, Inves Spectrum +, Spectrum 128k (English and Spanish), Spectrum +2 (English, Spanish and French), Spectrum +2A (English and Spanish), Microdigital TK90X (Portuguese and Spanish), TK95 * Runs on any Unix system and Windows: tested on Linux x86, Linux x86_64, Linux Raspbian, Mac OS X, Windows native, Windows + Cygwin

Rainbow mac os x emulator