![]() 12) explains the principle of operation of the famous 6502 processor and especially the section about the addressing modes explains the different modes very extensively. Section ✲.1.1 MOS Technology 6502« (p.The following sections are very interesting and worth taking a look at: The thesis describes the MOS 6502 architecture, the development of a fast emulation of it and the hardware and software design of other parts of the handheld unit in glorious detail. If you are interested in the topic and my thesis you can download the complete PDF file in the following. It shows the final (third) prototype in action and demonstrates most of it's features. To demonstrate the behaviour of the emulator and see some old programs executed by the emulated Apple ][ I created the following embedded YouTube video. You can use the mouse to rotate the panorama to view the emulator from different angles - otherwise it will spin by itself. ![]() The follwing 360° slide panorama shows the result of my thesis: a fully functional, battery powered and portable Apple ][ emulator. The final product is a highly improved emulation of the MOS 6502 CPU, written in AVR assembler, which is then used on an AVR ATMega 1284p microcontroller together with other electronic parts to create a portable and battery powered Apple ][ (emulator) handheld prototype. For every different approach the strenghts and weaknesses are scientifically evaluated. The thesis shows the development of the processor emulation software and examines different design patterns of reaching the goal of a fast processor emulation. This requires an efficient emulation of the 6502 and memory management since the resources of a microcontroller are very limited when intending such challenging operations. They paved the way for the Apple Macintosh computer and the nowadays well known brand Apple with its products.īack in 2014 I wrote my Bachelor thesis about emulating a complete Apple ][ computer - the famous MOS 6502 - but also performs other tasks like display output and keyboard input. This 8 bit home computer was developed by Steve »The Woz« Wozniak and evolved together with Steve Jobs. ![]() It was sold several million times from April 1977 till 1993. The Apple ][ personal computer was one of the first three completely assembled systems on the market. Press : See the Hackaday article »Portable Apple II On An AVR« featuring this project. Hot : make sure to checkout the YouTube video and the interactive 360° panorama of the portable Apple ][ emulator I built down below! Checkout the License section as well. Apple ][ Emulation on an AVR Microcontroller
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |