Difference between revisions of "Previous"

Revision as of 01:37, 23 September 2015

Previous is an emulator for the old NeXT Computer, Inc machines namely the:

From the website:

Previous is a Next computer hardware emulator. It aims to emulate a Next Cube or a Next Station with all its peripheral.

The emulator is not complete yet.

Current status

Processor 68030 and 68040 CPUs work, including MMU for both, FPU is platform sensitive and has minor incompleteness
Memory All memory + Mono video memory is handled + experimental color display
User input Keyboard works, but partially bad key assignment Mouse works, but problems with losing focus
DMA works for SCSI, MO, Memory to Memory and partially for Ethernet, with dummy for Sound and SCC
SCSI Works
SCSI peripherals CDROM and Hdd emulated
Cube MO drive works, including real Reed Solomon ECC
Timers Real time clock + 2 internal timers handled (known issues for event counter)

Currently Previous can boot up all available versions of NeXTSTEP and OPENSTEP that run on the 68000 platform.

This article is a stub. You can help by expanding it.

@@ Line 1: / Line 1: @@
 Previous is an emulator for the old [[NeXT Computer, Inc]]  machines namely the:
+*NeXT Computer
+*NeXTcube
+*NeXTstation Turbo
+*NeXTstation Color
 From the website:
@@ Line 16: / Line 21: @@
 *Cube MO drive	works, including real Reed Solomon ECC
 *Timers	Real time clock + 2 internal timers handled (known issues for event counter)
+Currently Previous can boot up all available versions of NeXTSTEP and OPENSTEP that run on the 68000 platform.
 {{stub}}
 [[Category:Emulators]]