

Open the Applications folder and double-click on the RPCEmu-Recompiler icon to launch it (you may need to right-click and choose Open for the first time, as newer versions of macOS try to discourage running potentially unsafe code).Copy this file to Documents/RPCEmu/hostfs as “HardDisc4-util,ffc” – take care to keep the ,ffc (comma ffc) ending which will be translated by RPCEmu to produce the metadata filetype for RISC OS.

The recommended version is labelled HardDisc4 (self-extracting) – this should give you a file called “HardDisc4.5.28.util”. Download a HardDisc4 image from the Miscellaneous downloads page.The other files aren’t needed and can be discarded.
#Mac os x hidden os emulator archive#
Unpack the ROM archive and copy the file “riscos” from /soft/!Boot/Choices/Boot/PreDesk/!!SoftLoad/riscos into the Documents/RPCEmu/roms directory.The recommended ROM is labelled IOMD 5.28 stable (softload). Download an IOMD ROM image from the downloads page.Documents/RPCEmu) and copy the contents of the “Data” directory from the RPCEmu distribution archive. Create a data folder within your Documents folder (e.g.Open the zip archive, and copy the applications “RPCEmu-Interpreter” and “RPCEmu-Recompiler” to the Applications folder (either drag them over the Applications entry in the Finder sidebar, or onto the Applications folder on the dock).Download the zip archive of RPCEmu 0.9.3a – be sure to get the ZIP archive, not the DMG package.If you have an older version of RPCEmu already installed, see Upgrading from an older version of RPCEmu below. This build is known to work on macOS Mojave (10.14), macOS Catalina (10.15) and macOS Big Sur (11.2). If you wish to run legacy programs, then running RPCEmu with RISC OS 3, 4 or 6 may provide greater compatibility.Ī development build of RPCEmu 0.9.3 for 64-bit versions of macOS is now available.
#Mac os x hidden os emulator code#
If you wish to run RISC OS 5.2x any legacy applications with 26 bit code will first need updating. Note: There is no provision for mixing 26-bit mode and 32-bit mode applications on the same machine.
