GitHub

A complete 64-bit virtual machine implementation featuring a custom CPU architecture, assembler, compiler, and development environment built in Java with JavaFX.

0x0000_0000_0000_0000 ┌─────────────────┐ │ ROM │ 128 KB 0x0000_0000_0002_0000 ├─────────────────┤ │ RAM │ 512 MB 0x0000_0000_2002_0000 ...
Neowin

Intel wants feeback for a proposed 64-bit only CPU architecture called x86S0 0

Right now, 64-bit apps and operating systems are becoming the norm, rather than the exception, for Windows users. Microsoft stopped offering 32-bit versions of Windows to its PC OEM partners in 2020.
GitHub

64-bit, 5-stage pipelined CPU implementing a subset of the ARMv8 (LEGv8) instruction set in SystemVerilog. Includes hazard handling, ALU, and dual-read register file.

This project implements a 64-bit, 5-stage pipelined CPU in SystemVerilog, based on a subset of the ARMv8 (LEGv8) instruction set.
Ars Technica

Intel wants feeback for a proposed 64-bit only CPU architecture called x86S

I guess this is a real thing? https://www.neowin.net/news/intel-w...sed-64-bit-only-cpu-architecture-called-x86s/ I guess so... here's the white paper on Intel's site ...
Design-Reuse

SuperH Announces Record-Breaking Scores for 64-bit SH-5 RISC CPU Core

San Jose, USA; Bristol, UK and Tokyo, Japan – 17 February, 2004 SuperH, Inc., the leading supplier of multimedia RISC CPU cores, today announced that it has received outstanding certified scores ...