IBM System/370

People using a 370

The System/370 continued the tradition of the prior System/360 by expanding the instruction set, and adding the new ability of virtualization. It ran a variety of software, such as MVS, and the newer VM/370.

The System/370 was supplanted by the S/390.

Specs

• Sixteen 32-bit control registers, in supervisor mode only
• Sixteen 32-bit general purpose registers
• Four 64-bit floating point registers (could be paired as two 128-bit floating point registers)
• 24 bit address space for a maximum 16MB of RAM (later models: 31 bits)

Games

Well thankfully there seems to have been some games....

• Zork

Emulation

The 370 can be emulated by the following emulators:

• Hercules
• PC/370