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zxsp is a simulator for the historic Sinclair ZX home computer family for Mac OS X. The current version only supports Intel-Macs. Versions for Mac OS Classic, PowerPC and old versions of Mac OS X are available from the Old versions/ directory.
zxsp simulates the black&white models ZX80 and ZX81, the Jupiter Ace, the ZX Spectrum models with 16K and 48K ram, the Spanish clone from Inves, the +128, +2, the +2A/+2B and the +3 including the Spanish and French localised versions, the Portuguese TC2048 and the TS2068-based machines TS2068 (USA), TC2068 (Portugal) and unipolbrit 2086 (Poland). If you still own one of the emulated machines and find that the simulation does not match the original, you are welcome to contact me for further improvement. Just keep the original thing ready for testing. :-)
zxsp can load from and save to a built-in virtual tape recorder or a real-world cassette recorder or a real-world computer. It also can dup real-world cassette tapes to ".tap" and ".tzx" files or vice versa.
zxsp supports ".sna", ".z80" and ".ace" snapshot files, ".tap", ".tzx", ".80", ".81", ".o", ".p", ".wav", ".aiff" tape files, ".dsk" disc files, ".dck" TCC dock files, ".img", ".dmg", ".iso" and ".hdf" hard disc images, ".scr" and ".gif" animated screenshots, excellent sound, precise screen and border effects, joysticks, a virtual tape recorder and virtual keyboards.
zxsp comes with a debugger with register edit for the main chips and various memory display modes, a video beam position indicator, single stepper and memory disassembly. The machine can be throttled down to 1 Hz or overdrived to 20 MHz cpu clock. You can directly load Z80 assembler sources into zxsp or you can use zasm for assembling. The built-in assembler is a spawn of zxsp, so you may want to look into the zasm documentation anyway.
This is the current development version of zxsp. It requires an Intel Mac and it is compiled for Mac OS X 10.6 (Snow Leopard), Mac OS X 10.7 (Lion) Mac OS X 10.8 (Mountain Lion) and Mac OS X 10.9 (Mavericks), but i expect it also runs on OS X 10.10 (Yosemite). This is a snapshots of the current state of development. Scroll to the end of this page to find the downloads. Versions for Mac OS Classic, PowerPC and old versions of Mac OS X are available from the Old versions/ directory. See my blog for the latest changes.
New in this version: Emulation of Romantic Robots' Multiface ONE, 128 and +3
While this is the official download page for zxsp, i moved my regular postings about news and releases to a blog on blogger. All news about the version 0.8.0 prereleases are posted there. Visit and maybe bookmark it somehow.
If you have a bitcoin wallet on your smartphone use the QR code to the left, else click on this link: 1BJ9kY9qm7Mg2UKj9eZxPyK42mzkqe1LKf or copy&paste the link into your wallet application.
If you have a litecoin wallet on your smartphone use the QR code to the right, else click on this link: LZtPuXCwjM11XKEexrdArGmNSqXPjzmXCP or copy&paste the link into your wallet application.
Donation with Paypal is currently not possible. Paypal has "restricted" my account and is going to remove it. Reason: probably my blog about my ZX Spectrum emulator zxsp. I tried to get response from Paypal, but they have not yet responded. update: They have now also removed their web form (for me, i presume).
as of 2015-05-18 for version 0.8.0pre27
|Old versions/||2018-01-09 17:27||11|
size: 1700 × 1051
size: 348 × 209
size: 513 × 115
|2013-05-21 plus2 tape recorder.png
size: 280 × 257
|2013-06-09 SPECTRA Interface.png
size: 848 × 698
|2013-06-12 SPECTRA interface.png
size: 764 × 528
|2013-10-19 Lenslok - Colossal.png
size: 640 × 480
|2013-11-23 TC2086 Dock with Cartridge.jpg
size: 333 × 268
|2014-04-01 DivIDE interface.png
size: 402 × 318
|2015-04-26 Currah µSpeech.jpg
size: 322 × 258
size: 428 × 332
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