PSX Serial transfer
When going through my archives, I discovered I’d written a simple serial send program – VSSend and stuck it on a PSX boot disk, way back in 2000 while I…
ZX Spectrum colour clash on modern hardware
How to reproduce the classic ZX Spectrum colour clash using modern GPUs.
Hooking up an SD card to the RaspberryPi
While doing a Raspberry Pi runner for GameMaker, I also added some GPIO functions, and decided to try and hook up an SD card to a Pi.
Hacking Manic Miner – Part 2
In last week’s episode we loaded up the original ZX Spectrum Manic Miner snapshot, and started ripping level information from it. This week I want to extend this and lift the tile…
Hacking Manic Miner – Part 1
So, I thought it would be a nice little change of pace to do a little retro game hacking, and at the same time learn about binary files. Since most…
Hacking Manic Miner – Part 5
In this final post we're going to extract the last few bits for this demo, that of the graphics of Miner WIlly, his starting location, and the portal location.
Writing a ZX Spectrum Emulator in GameMaker
So if you followed my last emulator series, you’ll know that I built up a lot of caches of shapes (characters and sprites) on demand, and then drew them when…
CREATING A COMMODORE 64 EMULATOR IN GAMEMAKER – PART 5
In this part, I’m going to start looking at sprites, and see if there’s anything I can do in order to display “something” so I can better see games running.…
CREATING A COMMODORE 64 EMULATOR IN GAMEMAKER – PART 3
The next part deals with tracking down CPU bugs, and ways to log quickly, and we also take a look at C64 memory mapping.
CREATING A COMMODORE 64 EMULATOR IN GAMEMAKER – PART 2
A look at the 6502 CPU's flags and how to actually emulate CPU instructions in any emulator.