How I built a ZX Spectrum emulator from scratch using C# and Blazor

This session starts in 1985 when I was 7 years old.
I got my first computer, a Sinclair ZX Spectrum.
I still remember that the first thing I did was to sit down and write:
10 PRINT "Jimmy"
20 GOTO 10
This was my code, I made the machine do things!
This was the moment when I decided that I wanted to become a developer.
Many different computers followed, ZX Spectrum+, Commodore 64, and Commodore Amiga 500, but the ZX Spectrum still has a very special place in my heart.

Once I became a developer I thought, -"would it be possible to build an emulator?" so I set out to build an emulator.

In this session, I will share that journey.
We will touch base on, registers, memory management, sound, handling input, and output.
All of this is in a Blazor WebAssembly application.

Jimmy Engström

Microsoft MVP

Stockholm, Sweden


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