Omar and Lorraine's user avatar
Omar and Lorraine's user avatar
Omar and Lorraine's user avatar
Omar and Lorraine
  • Member for 7 years, 11 months
  • Last seen this week
91 votes
Accepted

Why did the NES not allow rotated sprites?

65 votes

Why did some early CPUs use external math chips?

63 votes
Accepted

What was Pong called in Britain?

53 votes

In what language(s) is the return value set by assigning to the function’s name?

51 votes

Simplest system to create an emulator for

45 votes

What should we do with manuals from the 80s?

45 votes

Why did the IBM 650 use bi-quinary?

44 votes
Accepted

How did 8 bit processors perform 16 bit arithmetic?

38 votes

Was leaving all xxxxxx11 opcodes unused on the 6502 a deliberate design choice?

35 votes

What was the first Unix version to run on a microcomputer?

34 votes

Back in the late 1980s, how was commercial software for 8-bit home computers developed?

34 votes
Accepted

Why didn't the 6502 have increment/decrement opcodes for A?

31 votes
Accepted

Why were early computers named "Mark"?

24 votes

Why are C64 games inconsistent with which joystick port they use?

24 votes
Accepted

Is the Game Boy Sharp LR35902 object-compatible with the 8080/Z-80?

23 votes

What graphical effects can be created by changing the VIC-II settings?

22 votes
Accepted

Visible resolution of C64 video output, including borders

21 votes

Are NES turbo buttons internal to the controller?

20 votes
Accepted

Why did blanking of screen on C64 SAM enable better quality speech synthesis?

20 votes

Why does Sinclair BASIC have all of the characters twice in the token table?

19 votes

Was there a retro computer susceptible of being damaged only by issuing instructions at it?

19 votes
Accepted

Where did the lookup table in Entombed come from?

18 votes

Locked-up DOS computer beeped on keypress. What mechanism caused that?

17 votes

What are my options for multitasking in MS-DOS 5.0 on an 80186 with EMS?

17 votes
Accepted

What does MOS 6507 do in Atari 2600 when you turn it on without a cartridge?

17 votes

What does 'try again' mean in Unix v6?

16 votes
Accepted

How was "GEOS" meant to be pronounced?

15 votes

How was microcode implemented in retro processors?

15 votes

When did Lisp start using symbols for arithmetic?

14 votes
Accepted

Why use an ADC or SBC with immediate zero on a 6502?