Top Questions

26 votes
6 answers
7k views

What did corporations use for long-distance networks in the 1980s?

16 votes
6 answers
12k views

Why didn't PC games eschew MS-DOS and deal with BIOS directly?

12 votes
11 answers
5k views

Did any 8-bit device ever merge a CPU core?

24 votes
5 answers
17k views

When did Nintendo switch from assembly to a higher programming language?

27 votes
4 answers
8k views

First use of an OS in gaming consoles?

25 votes
3 answers
18k views

Since when does Windows support forward slash as path separator?

14 votes
7 answers
5k views

Which CPUs have implemented trap on signed integer overflow?

23 votes
3 answers
4k views

Did any x86 CPU optionally trap unaligned access?

11 votes
5 answers
6k views

How did 16-bit MS-DOS programs use a large (> 64KB) stack?

12 votes
7 answers
4k views

Did any games or other programs combine disk formats on one side of a disk?

21 votes
5 answers
4k views

How can I reverse-engineer the game Wizardry (1981) for PC, based on UCSD Pascal?

31 votes
2 answers
5k views

Did any MS-DOS program ever use the System Request interrupt?

18 votes
3 answers
6k views

Which OS first implemented hibernation?

14 votes
3 answers
3k views

Why does PC video memory base address change depending on video mode?

20 votes
2 answers
2k views

Did 486 SMP systems provide Total Store Ordering?

11 votes
3 answers
2k views

What is the technical definition of "clone" that makes the K1810VM88 (К1810ВМ88) not a clone of the 8088?

9 votes
2 answers
1k views

Did VMS ever acquire filesystem cross-links?

4 votes
2 answers
2k views

Gameboy Key Input Causes Crash

4 votes
2 answers
898 views

How does port-mapped I/O in older 8086 computers work? [closed]

10 votes
2 answers
413 views

1984 accounting software running in VirtualBox fails to print property to an LPT passthrough, but other software seems fine

11 votes
2 answers
1k views

Why did the VAX compatibility mode not implement the MARK instruction?

15 votes
2 answers
813 views

Has the “entry” keyword ever been implemented in C?

5 votes
1 answer
550 views

Did the i186 use interrupt 6 for invalid opcodes?

11 votes
1 answer
519 views

Origin of what seems to be a Front-Panel

3 votes
2 answers
350 views

Can anyone tell me more about flippy games?

3 votes
1 answer
668 views

What do the pins D0-D7 on the Intel 8080 exactly signify?

2 votes
2 answers
399 views

Device access APIs in Windows 9x

5 votes
1 answer
262 views

Where to find the Cray arithmetic library?

3 votes
1 answer
328 views

Questions about IBM PC PSU P8 key pin and change to +5V for AT

5 votes
2 answers
394 views

Memory gap in Commodore PET

4 votes
3 answers
182 views

ProDOS BASIC.SYSTEM overwrites RNDL ($4E) - how to get random numbers

5 votes
1 answer
319 views

Why is the start address in the PDP-11/23(+) micro-ODT a 18-bit address?

3 votes
2 answers
274 views

Did anyone use quarter-bad RAM chips?

5 votes
1 answer
158 views

How Can Apple II DOS 3.3 Floppy Disks be Restored after Formatting with INIT?

3 votes
1 answer
181 views

Did any big-iron systems implement offloaded database IO tasks?

3 votes
1 answer
217 views

Marvel Comics BASIC games from the 1980s?

1 vote
1 answer
206 views

Synchronising FOR - NEXT routines in C64 basic [closed]

0 votes
1 answer
176 views

Apple II color monitor displays everything in green

3 votes
1 answer
207 views

How is the Commodore BASIC RND function seeded, depending on the argument?

2 votes
1 answer
193 views

What is likely cause for sudden auto-rebooting of Apple II+ with Disk II?

9 votes
0 answers
244 views

Why must the Amiga 1020 disk drive be powered-on before and powered-off after the Amiga computer?

1 vote
1 answer
140 views

When was the PDP-11/50 released?

9 votes
0 answers
217 views

Were there Any Applications Making Explicit Use of the MDA's Colour Capabilities?

6 votes
0 answers
204 views

Northern Telecom SL-1 PBX Programming Language

6 votes
0 answers
185 views

How many commercial Spectrum ROM cartridges were released?

3 votes
1 answer
142 views

Was an Amiga 'Enhancer' software package ever released for Kickstart/Workbench 1.1?


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