ZXSP v0.7.4.pre1 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 v0.7.4.pre1 Changelog:

I really got some requests to update zxsp to Lion. Today i finished the main step and made it compile again. There is a lot of work due to discontinued APIs in Mac OS X. Version 0.7.4 requires Mac OS X 10.6 (Snow Leopard) or 10.7 (Lion). It is not very stable yet but it runs again on Lion.

Download: ZXSP v0.7.4.pre1
Source: Here