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2025

Jul 1, 2025 GitForce – Workspaces

Jul 1, 2025 GitForce – SSH

Jul 1, 2025 GitForce – Custom Tools

Jul 1, 2025 GitForce

Mar 14, 2025 Porting SpeedCrunch to WebAssembly

Jan 21, 2025 Z80 Explorer v1.06 released

2021

Oct 6, 2021 A Calculator – Completed!

Apr 18, 2021 A Calculator (4): The Framework

Mar 25, 2021 A Calculator (3): Practical Numerical Methods

Mar 11, 2021 A Calculator (2): Basic Four Functions

Feb 22, 2021 A Calculator

2020

Aug 29, 2020 Flight Sim Remote Panel / 2

Aug 29, 2020 PlayZX

Jul 11, 2020 Z80 Explorer

2017

Aug 12, 2017 Development PC Setup

2016

Apr 24, 2016 ZX Spectrum ROM mods

2015

Jan 28, 2015 The A-Z80 CPU

2014

Dec 9, 2014 ZX Spectrum on FPGA using A-Z80 CPU

Sep 26, 2014 Z80 Library

Sep 19, 2014 A Z80 : References

Sep 19, 2014 A Z80 : The Soul

Sep 19, 2014 A Z80 : The Mind

Sep 19, 2014 A Z80 : The Heart

Sep 19, 2014 A Z80 From the Ground Up

Mar 13, 2014 The Anatomy of a Z80 Gate

Mar 7, 2014 Z80 Instruction Register deciphered

Feb 16, 2014 ZiLOG Z80 (un)documented behavior

Feb 16, 2014 Arduino and ZiLOG Z80

Jan 25, 2014 A Poem by FPGA

2013

Dec 2, 2013 PCB Making: 1. Introduction

Dec 2, 2013 PCB Making: 2. Get Started

Dec 2, 2013 PCB Making: 3. Schematics

Dec 2, 2013 PCB Making: 4. Layout

Dec 2, 2013 PCB Making: 5. The Mask

Dec 2, 2013 PCB Making: 6. Cut a Board

Dec 2, 2013 PCB Making: 7. Expose and Develop

Dec 2, 2013 PCB Making: 8. Etching

Dec 2, 2013 PCB Making: 9. Tinning

Dec 2, 2013 PCB Making: 10. Drilling holes

Dec 2, 2013 PCB Making: 11. Solder parts

Dec 2, 2013 PCB Making: 12. Protection and Sealing

Dec 2, 2013 PCB Making: 13. Enclosure

Dec 2, 2013 PCB Making: 14. Testing and Troubleshooting

Dec 2, 2013 PCB Making: 15. Software

Dec 2, 2013 PCB Making: 16. Conclusion

Nov 19, 2013 Printing from Eagle

Nov 19, 2013 Sinclair ZX81 lives on!

Nov 19, 2013 RS232 and Arduino

Nov 19, 2013 RS232 Interface

Nov 19, 2013 Parallel Port Logic Analyzer

Nov 19, 2013 Software Scope using a Sound Card

Nov 19, 2013 Accuracy of Arduino’s ADC

Nov 18, 2013 Etching the PCB: Copper etchant calculator

Feb 20, 2013 Ambient Weather WS-2080 hang fix

2010

Jun 29, 2010 Fixing convergence on TV

2009

Mar 3, 2009 Building a Custom Picture Frame

2001

May 19, 2001 VMSim – An Attempt at Virtualization