Retrocomputing Beta
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Mark Williams

I have used various 'retro' computers from the ZX81, Acorn Electron, Commodore 64, ZX Spectrum and Amstrad CPC464 and CPC6128 on to the Playstation and Gamecube. I have also worked as a computer programmer, working on everything from S/390 mainframes, HP-UX and AIX, OS/2 v1, MS-DOS, Windows 3.0-98 and Linux, in Basic, Pascal, C, C++, Delphi, Logo, JCL and various others. I still own an Amstrad CPC6128.

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  • Member for 3 years, 4 months
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20 Was Locomotive BASIC significantly better than Sinclair BASIC? Nov 24 '19
19 How did integer multiplication work in 8-bit BASIC without CPU support Mar 14
13 Why did the IBM PC have an internal power supply? Oct 3
11 When and why did tape recorders acquire a “remote” input? Jan 19 '19
9 What does ld a,(hl) do in this piece of Z80 ASM code, and why is HL incremented? Mar 27 '19
8 Writting DSK images onto a 3'' floppy for Amstrad/Sinclair computers Jun 16 '17
8 What's the relationship between the Nascom computers and the company Lucas Electrical? Oct 21 '18
6 Are there vintage or historical bitmapped fonts available for non-commercial use? Jan 1 '19
6 Why was the Amstrad CPC slow at scrolling Nov 4 '18
5 Did loadable levels for ZX-Spectrum games contain only graphics / game data, or executable code as well? Feb 7
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