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We're seeing some great progress on the hardware (FPGA) implementation of the Ember CPU! The Verilog simulation of the CPU on a Cyclone V FPGA in QuestaSim can now process LDI (Load Immediate) and MOV instructions. Next step, the ALU!

Now that we have a basic system design for the Ember CPU, GPU, and PIA, we need some startup firmware to get things up and running…

With a well thought out CPU and GPU design, and an input-handling Peripheral Interface Adapter, we will look at the memory map of the new system...

A high-level picture of the Ember Homebrew Game Console and which other systems we still need to design to create a working system capab

Next, we will look at the Instruction Set Architecture, or ISA, of the Ember 32-bit RISC CPU

rounding out those few remaining instruction types are interrupt handling instructions

Now that we have Load-Store and common ALU instructions, we can add branching and jump instructions to the Ember CPU design.

In a Load-Store architecture CPU, separate instructions are required to move data from memory into registers or to write data back

Now that we have some idea of how instructions are encoded, we can begin designing the instruction set for our CPU, starting with the ALU.

We recently discussed some instruction types and register options; this time, we will dig into some math and look at how we might encode Emb

Now that we have the basic design philosophy and some fundamental requirements for our new CPU, consider the types and number of registers..

The Ember CPU will be the main processor in a virtual video game system reminiscent of those released during the 80s and 90s.

A quick look at the factors behind the Ember CPU design and where we will take it in the future.

Join me on my journey to design and build a completely new 1980s-era video game console and development platform from the ground up.

While the Ember Hackaday site is geared toward those more interested in the purely technical details, we will also be posting on our...

We're only getting started, but we now have an official Project Page on Hackaday! For those more technically inclined, this is where you...