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The latest blog posts to take off on Hacker News. 3,229 posts.

History & Retro Computing
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1782

Really Atari ST?

This blog has previously examined a very very strange code fragment in the BIOS module of DOS. To recap, when deciding whether a boot sector might have a valid BPB, DOS checks whether the first byte is a relative jump (opcode E9h) or a short jump (opcode EBh), both used by different DOS versions. But it also checks…

1783

X-COM

X-COM seemed to come out of nowhere. Its release was not preceded by an enormous marketing campaign with an enormous amount of hype. It had no video demo playing in the front window of Babbages, it wasn’t advertised twelve months in advance on glossy foldout magazine inserts, it had no flashing point-of-purchase…

1789

8086 Microcode Disassembled

Recently I realised that, as part of his 8086 reverse-engineering series, Ken Shirriff had posted online a high resolution photograph of the 8086 die with the metal layer removed . This was something I have been looking for for some time, in order to extract and disassemble the 8086 microcode. I had previously found…

1790

Bullfrog After Populous

I’ll give you an analogy of what Populous is in my mind. Imagine if I had a blank canvas. Some people that are true artists will take a palette of paint and mix them together and carefully handcraft each and every single brushstroke until they have some beautiful and amazing picture. And then there’s me. I had the…