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The Free Unix Spectrum Emulator (Fuse) is an emulator of the 1980s ZX Spectrum home computer and its various clones for Unix, Windows and macOS. Fuse is free software , released under the GNU General Public License .
ZX Spectrum 16K, 48K Java: Freeware: JSpeccy v0.93.1 August 8, 2015: ZX Spectrum 48K, 128K, +2A, ULAplus Java: Freeware: GoSpeccy 0.7.0 May 21, 2011: ZX Spectrum 48K Linux+Go: MIT License: ZX Spin by Paul Dunn 0.7q May 21, 2010: ZX Spectrum 48K Windows: Freeware: BASin by Paul Dunn 15.8 May 21, 2010: ZX Spectrum 48K with Integrated Development ...
The ZX Spectrum SE is a proposal for an advanced Spectrum machine, based on the Timex TC 2048 and the ZX Spectrum 128, with Timex graphic modes, and 280K RAM., [144] made by Andrew Owen and Jarek Adamski in 2000. [144] A prototype was created, and this configuration is supported by different emulators. [145] [146] [147]
The program was designed to make Z80 machine code programming easier, [1] with full symbolic instructions, and an editing style similar to the Spectrum's built-in BASIC. Zeus Assembler was later re-released by the manufacturer of the ZX Spectrum, Sinclair Research. A Commodore 64 version was released in 1984. "Zeus 64 Assembler".
ZX-Basic [111] Backwardly compatible, but enhanced compiler of Sinclair BASIC programs the ZX Spectrum, written in Python, freely available for Windows, Linux and Mac OS ZX-Basicus [ 112 ] by Juan-Antonio Fernández-Madrigal, a synthesizer, analyzer, optimizer , interpreter and debugger of Sinclair BASIC 48K for PCs, freely downloadable for ...
Some ZX Spectrum clones or NTSC machines might display "bright black" as dark gray. Colours simulated as sRGB assume non-bright as 85% voltage (0.55 V) and bright as 100% (0.65 V). [5] Each ZX Spectrum model used different voltages, so the colors shown are only approximate.
Unfortunately, the ZX Spectrum designers were working under extreme time pressure, and failed to notice this simple improvement. [11] While the original ZX Spectrum 48K model has 32 KiB of main RAM, the 16K model has just the 16 KiB graphics RAM. This is the reason why the colour attributes array was designed to fit in just 768 bytes.
The Currah μSpeech, commonly referred to as the Microspeech, [4] plugged into the expansion port on the back of the ZX Spectrum. Additional leads were provided to feed the sound and UHF signal from the computer into the unit. The TV aerial lead plugged into the unit and speech sounds were added into the UHF signal generated by computer.