Heptane Computer Processor

The world's only 65 bit processor

The heptane computer processor is a project to create a very fast computer processor in verilog harware description language,
which will execute 6 instructions per clock cycle and will run at above 2GHz if implemented on a modern chip process.
It will be designed with ease of translation to x86/x64 arhitecture, and have about 80% native performance software translator for it.
It will target the x86/x84 market via translation (user mode only) and also will feature native mode operating systerms. 
In practice, it could be used for:
High performance tablet (single core).
High performance laptop (dual core).
High performance desktop.
Servers and cloud.

It will be available for licensing once it's ready.
Check out more detailed description here:

Before starting the heptane project, I had written another, scalar risc processor, which i'm releasing as open source.

Kickstarter Campaign (failed):

Currently the instruction set is finalised except iommu/io apic/device handling.

GCC porting has started!
GAS assembler already assembles many instructions including floating point.
The heptane processor will now allow derrivative works. However, physical implementations will require additional permission from me.
Source code unpublished but can be given upon request if serious intentions.
As of July 2019, the IPC will be 6 rather than 9.
Floating point unit completed.
ISA specification

As of friday 10 July 2020, the heptane ISA (instruction set architecture) will be free e.g. anyone can implement it.
However, the core source code itself remains restricted.
And I would appreciate if any implementors of the ISA didn't add custom instructions.
The source code of the CPU is now on Git Hub, although not yet finished. Note that implementation in hardware is restricted by the license.
As of jun 2021 the Heptane CPU will switch to the RISC-V like instruction set.

As of sep 2021 the Heptane CPU is in the process of testing a whole core module by creating a random program and then running it and comparing the results (fuzzing). The ISA switch to RISC-V hasnt been merged.
As of 28 Dec 2021 The license of the heptane CPU (rtl folder) is the TAPR open hardware license, a GPL-like license of hardware.
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