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@ -9,12 +9,12 @@ Patt](https://users.ece.utexas.edu/~patt/) and [Sanjay J.
Patel](https://sjp.ece.illinois.edu/) to teach their students about computer
architecture.
The processors in this family are extremely simple and they all feature a
The processors in this group are extremely simple and they all feature a
*very* [RISC](https://en.wikipedia.org/wiki/RISC) instruction set; they all
have a 16-bit address bus and a 16-bit data bus, except for the latest
architecture of the group -- the LC-3b -- which has an 8-bit data bus.
architecture of the series -- the LC-3b -- which has an 8-bit data bus.
The most famous ISA of this category is without a doubt the LC-3, the third
The most famous ISA of this family is without a doubt the LC-3, the third
iteration of the architecture: on this specific ISA people made a
[subreddit](https://reddit.com/r/lc3), a [Wikipedia
page](https://en.wikipedia.org/wiki/Little_Computer_3), an [online
@ -24,12 +24,12 @@ using a search engine.
## Why am I doing this?
The goal of this project is to make more people know about this family of ISAs,
which I believe is ideal for teaching computer architecture, operating systems
and programming languages.
which I believe is ideal for learning about computer architecture, operating
systems and programming languages.
Naturally, the focus will be on the last two ISAs of the series, the LC-3 and
LC-3b, as they are the most recent, the most comprehensive, and, in my opinion,
the most interesting.
Obviously, the focus will be on the last two iteration of the series, the LC-3
and LC-3b, as they are the most recent, the most comprehensive, and, in my
opinion, the most interesting.
## Roadmap
@ -41,7 +41,7 @@ The first step is to create a comprehensive documentation with a lot of
sources.
There isn't much information available about these architectures, so it is
necessary to refer to the original books and save what can be found online
essential to refer to the original books and save what can be found online
using the [WayBack Machine](https://web.archive.org/).
### ◻️ Creation of a Developement Suite
@ -51,26 +51,27 @@ tools, such as an emulator and an assembler.
### ◻️ Developement of a GUI Learning Environment
After developing the basic developement tools, we can create a graphical tool
that can replace the outdated software created by the original authors.
After developing a basic developement suite, we can create a graphical learning
environment that can replace the outdated software created by the original
authors.
It would be great to create an environment where users can both write assembly
and execute it, rather than having two separate apps.
### 💪🏻 Physical CPU with an FPGA
Inspired by [Ben Eater's series on the 6502](https://eater.net/6502), once the
GUI development environment is ready, we could take the program and load it
into an EEPROM to be executed by a physical copy of our CPUs!
Inspired by [Ben Eater's series on the 6502](https://eater.net/6502), we could
take the program and load it into an EEPROM to be executed by a physical
version of our CPUs, maybe on a breadboard!
Also, it would be interesting to create a motherboard with some sort of I/O
interface to enable our computer to communicate with the outside world.
It would be interesting to create a small custom motherboard with some sort of
I/O interface to enable our computer to communicate with the outside world.
### 💪🏻 Development of an LLVM Backend
Let's access more modern programming languages such as C and Rust!
### 💪🏻 Creation of a UNIX-like Operating System
### 💪🏻 Creation of a small UNIX-like Operating System
### 💪🏻 Software Porting