Build Your 8‑Bit Computer from Scratch
summary
A project builds an 8-bit computer on breadboards using discrete transistors and some purchased logic ICs, implementing gates, two‑transistor latches, flip‑flop counters, RAM, and PROM‑stored microcode to control the CPU. The system includes bus arbitration, a transistor astable clock, an ALU and memory that can compute and display 5+3=8 on LEDs and a seven‑segment decoder, and a VGA 100×75‑pixel proof‑of‑concept.
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chapters (10)
- 0:00Introduction
- 3:07Why build a computer
- 8:42Intel 4004 processor
- 12:35Transistors and logic gates
- 20:31Architecture and adder
- 24:19Live demo
- 30:15Memory and assembler
- 33:42Clock signal and counting
- 36:09VGA graphics test
- 40:00Conclusion and Q&A
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