diff --git a/README.md b/README.md index 48ff531..95d2850 100644 --- a/README.md +++ b/README.md @@ -2,17 +2,16 @@ *This build is currently in progress* -This project is a shrinked replica of the Apple 1. -It's built around a 6502 CPU, 6821 PIA (Peripheral Interface Adapter), RAM and ROM chip - just like the original Apple 1. -But it uses an Arduino Nano to enable serial communication between the Apple 1 board and an external computer that acts as terminal. -That means you can't hook up a keyboard and monitor directly to the board (yet). +This project is a minified replica of the [**Apple 1**](https://en.wikipedia.org/wiki/Apple_I). +It's built around a 6502 CPU, 6821 PIA (Peripheral Interface Adapter), RAM and ROM - just like the original Apple 1, but it uses an Arduino Nano to enable serial communication between the Apple 1 board and an external computer that acts as terminal. +That means you can't hook up a keyboard and monitor directly to the board (yet!). The project is heavily inspired by the [*Briel Computers Apple 1 Replica*](http://www.brielcomputers.com/wordpress/?cat=17) and [*The Ben Heck Show*](https://github.com/thebenheckshow/158-tbhs-apple-1-replica)! **What I have done:** - [Redesigned the circuit](https://github.com/DutchMaker/Apple-1-Mini/blob/master/design/DesignSpark/revision1/schematic%20-%20Schematic.pdf) so I would fully understand every aspect of it. - Designed a PCB that can be easily produced and included in a **modular DIY kit** for anyone that wants to build this at home. -- Programmed the ROM so it only contains BASIC and the Woz Monitor (memory monitor). +- Programmed the ROM so it only contains BASIC, Krusader (assembler) and the Woz Monitor (memory monitor). - Written firmware for the Arduino to enable serial communication in a way that gives the real *Apple 1 feeling*. - Written a simple utility to upload data to the computer. This proved to be difficult with existing tools as there need to be specific delays in sending the data. @@ -22,6 +21,8 @@ The project is heavily inspired by the [*Briel Computers Apple 1 Replica*](http: - Release several varations of a DIY kit for this project (PCB only, PCB + passives, PCB + passives + casing, complete kit, etc.) so others can easily build the computer at home. **Pictures of revision 0 (very first PCB based on the schematic to verify that it functions properly):** - - +*(Revision 1, which is designated to be the first production revision, is currently being tested)* + + + \ No newline at end of file