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Retrocomputing
John Dallman's user avatar
John Dallman's user avatar
John Dallman's user avatar
John Dallman
  • Member for 7 years, 8 months
  • Last seen this week
  • United Kingdom
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About

Programmer for a large ISV, SF fan and gamer.

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Top posts
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108
How was it back then in 1984, when the Apple II had color, and the new Macintosh didn't?
Jan 6, 2019
89
Back in the late 1980s, how was commercial software for 8-bit home computers developed?
Jan 30, 2019
64
Who invented file extensions in file names?
Nov 1, 2023
45
Managing registers/memory effectively on the Z80
Feb 17, 2023
41
Why did the Motorola 68000 processor family fall out of use in personal computers in the 21st century?
Sep 25, 2023
40
Why did the ZX Spectrum use an internal speaker?
Feb 16, 2019
39
When and what was the first 3D acceleration device ever released?
May 25, 2019
34
How could early computers perform data operations before John von Neumann proposed the concept of ALU?
Sep 17, 2023
30
Did the IBM ServiceFree really reach 80 MIPS in 1975?
Aug 9, 2023
28
Did mechanical hard drives often malfunction in high elevation places such as Bogota?
Mar 14, 2023
Top network posts
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177
Why didn't the US and USSR jam each other's early-warning radar?
112
Why did the Germans use the Enigma machine rather than the far superior "Lorenz" cipher machine?
105
How to tell a clone apart?
94
How did the USSR manage to innovate in an environment characterized by government censorship and high bureaucracy?
82
Was WW1 generally foreseen?