Pico – retrocomputing ephemera

Pico MZ-700 progress

Posted on 20 November 202520 November 2025 by Tim

I’m making decent progress with adding MZ-700 emulation to the Pico MZ. As far as I can tell I have functionally correct code and I haven’t broken the MZ-80K and

Sharp MZ-700 boot screen on the Pico MZ emulator

A Pico MZ-700 ?

Posted on 21 October 202521 October 2025 by Tim

Autumn is here, so it means that the Caterham is SORNed until the spring, giving me time to tinker with some retrocomputing projects. The first project I’m attempting is to

Pico MZ-80A – First release

Posted on 8 February 202510 February 2025 by Tim

With winter dragging on, I’ve had plenty of time to add the code needed for MZ-80A emulation into the Pico MZ-80K/A, as I’m now rather inelegantly referring to it. From

A Pico MZ-80K using the RC2014 RP2040 VGA terminal card to run the Sharp version of Space Invaders

Pico MZ-80K and the RC2014 RP2040 VGA terminal card

Posted on 8 January 202516 January 2025 by Tim

A new year and I’m back to tinkering with the Pico MZ-80K emulator. I’ve started work on support for the RC2014’s RP2040 VGA terminal card. I’d not had very much

A Pimoroni VGA Demo Base and Raspberry Pi Pico 2 - supported hardware for the Pico MZ-80K

Pico MZ-80K now with Pico 2 support

Posted on 22 November 20241 January 2025 by Tim

I’ve temporarily given up on the floppy disk emulation for the Pico MZ-80K. I’ve managed to get the read emulation working reliably, but not writing. I appear to be missing

The Raspberry Pico / Sharp MZ-80K emulator project

Posted on 5 September 20241 June 2025 by Tim

I’ve owned a Pimoroni Pico VGA demo base since the very early days of the Raspberry Pico. I bought it after seeing a couple of videos showing its capabilities, with

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