Develop Arduino code to read SD card files and transfer to 6502/PIA -- 2

I have designed a retro 6502-based computer from 1976. My goal is to have my single-board computer read text files from an SD card and transfer the code to the memory of the computer. My attempts have been partially successful but I lack the time to complete the job. I will provide the existing code and a prototype of the retro computer. I'm sure the primary hurdle to overcome is the timing of the data transfer. Perhaps this will need some method to read the status of the 6502 processor or the 6521 PIA to determine if it is ready for the next byte. My existing code reads the SD card and transfers it, but mosts bytes are missed as the 6502 or PIA is not ready for the data.

Compétences : Arduino, Génie Électrique, Electronique, Microcontrôleur

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Concernant l'employeur :
( 1 commentaire ) Willmar, United States

Nº du projet : #24717846

Décerné à:


Hello. What Arduino board are you using (Nano / Uno / Mega / NodeMCU)? Are you using a serial or parallel connection between the Arduino and the 6521 PIA? (Looking at the datasheet for the 6521, it looks like it could Plus

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14 freelances font une offre moyenne de 503 $ pour ce travail


Hi I am experienced embedded system developer and can do it for you. I have worked on rockwell 6502 PIA before and have worked with SD card too please get in touch to discuss it further. I am waiting for your reply to Plus

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Hello sir, I have experience in designing electronics circuits and can program all kinds of microcontrollers. You can discuss your project with me in chat and we can move on right away. Thank you.

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Greeting there , I could absolutely help you with your Arduino SD card data transfer COMPUTER MEMORY project i am very excited work on your project and help you get it done in short time About my experience : https Plus

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Hi, I have read your project description carefully and I am very confident on your project. I will complete your project in a short time, perfectly and clearly. Let's discuss your project in detail if you are intereste Plus

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we will do your arduino work Hi my Professional Aim is: (Services then Solutions then Satisfactions) I hope you are [login to view URL] an experience in this field from last 5 years i am sure i can do it perfectly with in a time Plus

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A Data Scientist with experience in Python, R programming, R Shiny, R studio and anything related to data science and python Master in Engineering, Electrical and Electronic Engineer, who is dynamic, reliable, resourc Plus

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Hello I am David, firmware and embedded systems developer. After reading your description, I am interested in your project. I have experience developed the SD card reader firmware. Well, I have developed the embedded s Plus

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Sir, I have read your requirements and would like to inform you that, my team and I can readily handle your task. We also have some sample projects which showcase our previous work, incase you wanted to have a look. W Plus

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Dear, client. I just read your request carefully and very excited to work on this and have rich experience in ARDUINO, ESP32, ESP8266 and Raspberry PI . I think i 'll be helpful to you. If you want to hire me, we can Plus

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Hello, We have experience with Electronic circuits, Embedded systems, Microcontrollers, Development boards, Arduino, Raspberry pi and Firmware development. We are familiar with all aspects related to Arduino. We can he Plus

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Hello, I'm electronic engineer and I able to complete your project. I am very passionate with my work I really enjoy that I do. I look forward to hearing from you. Regards, Alejandro

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Can explain in detail??

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