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/aig/ Alternative ISA General
Alternative ISA General is a discussion thread about non x86 hardware. "Alternative" doesn't mean "unpopular" it means "alternative to x86". While there have been such threads in the past, they were usually sporadic and not very well connected with one another, which meant that whatever transpired in one thread wasn't carried over to the next one.
Due to the rise of desktop-class ARM chips, interest in alternative hardware has risen, with many Anons even coming up with projects of their own. Therefore, a centralised place was needed, where we could keep track of the development and goals of the community.
While discussion of Intel or AMD hardware is not absolutely prohibited (and even if it were, who is gonna enforce this? LOL), due to the ubiquity of x86 hardware, it is assumed that whatever concerns such architecture can be discussed in any of the other gorillion threads on the board.
Ongoing projects
Anons are currently interested in porting several open source projects to the PowerPC architecture. Currently the following proposals have been made:
Grand Theft Auto III
Re3 is a homebrew engine intended to replace proprietay RenderWare with an open source implementation. Anons have been discussing making a port for the 32-bit PowerPC version of Mac OS X.
The Elder Scrolls III: Morrowind
OpenMW is a free and open source modern re-implementation of the Gamebryo engine.
Tomb Raider
OpenLara is a Classic Tomb Raider open-source engine.
Resources
Anon has been kind enough to put together a small reference library.
Links
Amiga (Motorola 68k)
Amiga 3000 running PPC software on KillerNIC NPU.
Compiled list of free/open sources related to classic Commodore Amiga computers
FS-UAE (Amiga emulator) released for Apple Silicon arm architecture
Amiberry (Emulate an Amiga on on your Raspberry Pi)
Atari (Motorola 68k)
FireBee Atari-compatible computer
ARAnyM (Atari Running on Any Machine) VM Software
Other Motorola 68k Links
News around Motorola 680x0 CPU computer systems
MIPS
Emulate Windows NT 4.0 MIPS version (translated)
A guide to running IRIX 6.5.22 in MAME
Windows NT 3.50/MIPS installation on QEMU/MIPS
NMOS 6502
Commodore 64 Preservation Project
Developing for the 6502 microprocessor and its relatives
The 6502 microprocessor Resource
POWER/PowerPC
Compiling for Powerpc, how to?
Fixing Radeon Linux graphics on PowerPC
GNU/Linux Open Hardware PowerPC notebook
More about Spectre and the PowerPC (or why you may want to dust that G3 off)
http://bgafc.t-hosting.hu/oses4ppc.php Operating Systems for PowerPC
RISC-V
SiFive: The Direction and Magnitude of SiFive Intelligence
SPARC
The Resurgence of SPARC/Solaris (Okamoto Rikiya)
SuperH
Hitachi SuperH RISC Engine (Kawasaki Ikuya et al)
SuperH RISC engine Family Features
VAX
The Computer History Simulation Project
VAX MP: SIMH VAX simulator able to execute OpenVMS (VAX/VMS)
Z80
Sharp PC-1500 (TRS-80 PC-2) resource page
Symb-OS is a multitasking windowing OS for Z-80
Hardware Reimplementation
An interesting fpga handheld is being crowdfunded, with a focus on security
FPGA-related repositories on GitHub
Raspberry Pi (arm)
Apple Silicon (arm)
Check if an app is native Apple Silicon or not yet
Apple fixes incorrect wear reporting
Virtual Processors
DCPU-16 was a virtual processor intended for the game 0x10c.
The p-code machine was a stack based virtual processor used by UCSD Pascal on Apple 2 and other machines.
Other
Developing for all sorts of CPU
High-energy Electron Beam Lithography for Nanoscale Fabrication
