Various computers, consoles, and arcade systems Mac OS 9 is the ninth major release of Apple's classic Mac OS operating system which was succeeded by OS X.Introduced on October 23, 1999, it was promoted by Apple as 'The Best Internet Operating System Ever', highlighting Sherlock 2's Internet search capabilities, integration with Apple's free online services known as iTools and improved Open Transport networking. While the ARM processor in the Acorn Archimedes is a 32-bit chip, it only had 26-bit addressing making an ARM/Archimedes emulator, such as Aemulor or others below, necessary for 26-bit compatibility, for later ARM processors have mostly have dropped it. Main article: PC-based IBM-compatible mainframes EmulatorĪcorn Archimedes, A7000, RiscPC, Phoebe X86-64 platforms (64-bit PC and compatible hardware) EmulatorĦ0-bit guest systems 60-bit CDC 6000 series and Cyber mainframe EmulatorĤ8-bit guest systems English Electric KDF9 EmulatorĬross-platform/ POSIX API: binary for OS X on PowerPCĬross-platform/ POSIX API: binaries for 32-bit Intel Linux, Raspberry Pi, OS X Lion, and OS X YosemiteĬross-platform/ POSIX API: binary for 32-bit Windows with CygwinĬross-platform/ POSIX API: binaries for Intel macOS Mojave through Big Sur, and 64-bit Intel Linux (also runs under Windows 10 and FreeBSD)ģ6-bit guest systems DEC PDP-10 EmulatorĭEC PDP-10: PDP-6, KA10, KI10, KL10A/B, and various very old computersģ2-bit guest systems 32-bit IBM mainframe 5.17 x86 platforms (32-bit PC and compatible hardware).5.2 Acorn Archimedes, A7000, RiscPC, Phoebe.2.1 60-bit CDC 6000 series and Cyber mainframe.
1.5 x86-64 platforms (64-bit PC and compatible hardware).