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Exploring Microcode CPU Instructions with RISC 8-Bit Breadboard Computer

By

Ayushman Bhattacharya, Anwesha Chakraborty, Vivek Yadav, Piyali Sarkar, Sonali Bhowmik, Dipankar Misra, Sumit Nandi

Published

Abstract

A documented RISC-style 8-bit breadboard computer built with transistor and TTL logic, a discrete arithmetic logic unit, Arduino-managed microcode, four-bit opcode and address fields, and a four-digit seven-segment output. The public record connects the implementation, schematics, hardware documentation, and published paper.

Source code ↗Publication record ↗Read PDF ↗BibTeX ↓

Reproducibility

Evidence available for inspection

The repository publishes implementation code, component documentation, schematics, and EEPROM tooling, but Elixpo has not independently reproduced the complete paper-specific hardware build.

Authors and affiliations

  • Ayushman BhattacharyaDepartment of Computer Science and Engineering, JIS University
  • Anwesha ChakrabortyDepartment of Computer Science and Engineering, JIS University
  • Vivek YadavDepartment of Computer Science and Engineering, JIS University
  • Piyali SarkarDepartment of Computer Science and Engineering, JIS University
  • Sonali BhowmikDepartment of Computer Science and Engineering, JIS University
  • Dipankar MisraDepartment of Computer Science and Engineering, JIS University
  • Sumit NandiHarishchandrapur College, Malda

Artifact licenses

Citation record

Citation and persistent identifiers

Bhattacharya, Chakraborty, Yadav, Sarkar, Bhowmik, Misra, and Nandi. Exploring Microcode CPU Instructions with RISC 8-Bit Breadboard Computer. International Journal of Enhanced Research in Science, Technology & Engineering 14(6), 212–226 (2025).

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