ZXSP v0.8.0.pre8 is released. zxsp is a simulator for the historic Sinclair ZX home computer families for Mac OS X. 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, and the +2A/+2B including the Spanish and French localised versions.

ZXSP Changelog:

pre8: - New: CPU registry editor. - New: memory display. - News: reduction of tremor during the resizing of the window. pre7: - Fixed a crash when starting by double-clicking a file is an image of a game - CPU: halt, step in, out, over - AY inspector: editing registers - Availability of TS1000, TS1500, TK85, TK90X, TK95 and TC2048 for testing. - Creation of many new photos, mostly black and white machines. - Fixed keyboard support for new models black and white. - Added support for controller TK90X and TK95. pre6: - Loading Capture (game) ZX80 formats. O or .80. - Loading ZX81 capture formats. P, .81 or. P81. - Changing the window ToolWindows. - Re-organization of sources: Qt /, Mac / Uni /. - Home screen upon boot without capture. - Reducing the size (in zip archive password 15MB to 11MB).

Download: ZXSP v0.8.0.pre8
Source: Here