Tag Archives: 6502

6502 breadboard computer – part 5 hex keypad

Having made a very simple proto-monitor work that allows me just to read the contents of memory on the LCD display, I decided to get a hex keypad working as a next step. Eventually I’ll use the hex keypad to … Continue reading

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6502 breadboard computer part 4 – first monitor

I’ve been following Ben Eater’s tutorials to make a breadboard computer based around the classic 1970s processor, the 6502. This CPU was used in many classic 8-bit computers including the Apple 2, BBC Micro, Atari VCS as well as the … Continue reading

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6502 breadboard computer: part 3 – the return

I last posted way back in October 2020 about my progress with my Ben Eater-style 6502 breadboard computer. Having my own Kim-1 or Acorn System 1 type single board computer was a childhood dream, and several decades later I was … Continue reading

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6502 breadboard computer: part 2

Having started to build a Ben Eater-style, 6502-based breadboard computer a few weeks ago, I’ve started to diverge my design a bit. Ben uses an Arduino Mega to monitor the status of the address and data bus, but I like … Continue reading

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6502 breadboard computer: part 1

The first computer I ever used, probably in 1977, was my older brother’s KIM-1. This was a bare, single board computer that was really just a development kit for the 6502 microprocessor. It just had 6 numeric LED displays and … Continue reading

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