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TonyM's user avatar
TonyM's user avatar
TonyM
  • Member for 7 years
  • Last seen this week
  • UK
51 votes

Why was USB 1.0 incredibly slow even for its time?

33 votes

How was the clock frequency of the PS/2 keyboard protocol chosen?

27 votes

Why were optical drives not used as secondary storage instead of magnetic drives?

25 votes
Accepted

Can the Z80 Bus Request be used as an NMI?

24 votes
Accepted

Why did Acorn use LF+CR instead of CR+LF as a line ending?

22 votes

When did wear leveling in flash storage come up?

21 votes
Accepted

ZX Spectrum interrupt handling: maskable and NMI

17 votes
Accepted

Why did the Atari 800 have a flying RF lead?

17 votes
Accepted

6502 reset pin: always needed on power on?

15 votes
Accepted

Were cassette tapes designed to be adjusted by pencils?

14 votes

Why was 'echo on' chosen as the default setting within batch scripts in MS-DOS?

13 votes

Why were computer customers called "Users"?

12 votes

What does this line: `T=C/2=INT(C/2)` do? Why is it valid syntax?

10 votes

Why does CP/M use CALL 0005h for its syscalls?

10 votes
Accepted

When did megahertz turbo displays first appear?

10 votes

Why didn't CPUs multiplex address pins like DRAM?

10 votes
Accepted

BASIC line input buffer location on ZX Spectrum

8 votes

Why is the RM Nimbus PC-186 not IBM PC compatible?

6 votes

On an ISA bus, is data read on the falling or rising edge of /IORD?

6 votes
Accepted

When was the end of the floppy-only IBM PC clone?

5 votes

What's the convention for < > low/high-byte in 8-bit assembler?

4 votes

Are there recommended procedures to prepare a vintage software cassette tape before attempting to digitize it

4 votes

What's the origin of terminating strings by setting the high bit of the last character?

4 votes

Atari 2600 paddle controllers slow, jittery

4 votes

First 386 PC on sale in the UK

4 votes

What kinds of expansion ROMs and cartridges are available for the BBC Micro?

3 votes

Did anyone ever use the extra set of registers on the Z80?

3 votes

ZX Spectrum - guidelines for porting to PC and more are appreciated

2 votes

Z80, best way to page out EEPROM

2 votes

Odyssey game console: what's the deal with "English Control"?