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“This project aims to build a system utilizing the Z80A and running CP/M-80 directly. You might be wondering why I chose the Z80 today. Well, it happened to be discovered in my collection of electronic components after being tucked …
“Retro clock with seven segment display, WDC65C02 microprocessor and SP0256 voice synthesis chip. Few years ago I began my experiments with retro microprocessors. Their eventual result was a design of board consisting WDC65C02 CPU, EPROM, static RAM chip and couple …
“32 bit RISC-V homemade In this article I will describe how I designed and made a functional 32 bit RISC-V CPU at home. Specifications: “Max” clock speed: 500 kHz Program memory: 512 kB RAM size: 512 kB VGA …
“Classic CPU as an “Arduino style” microcontroller An attempt to create “Adruino inspired” set of modular boards, containing thirty years old parts - primarily vintage 6502 microprocessor. About one year ago I noticed that some sellers on popular Chinese auction site …