User john_e

31 votes

Was there a specific benefit to inverted (XOR) mouse cursors other than aesthetics?

answered Mar 30, 2021 at 15:53

31 votes

Where did the term ‘blue screen of death’ come from?

answered Mar 6, 2022 at 23:33

28 votes

Were there 8086 coprocessors other than the 8087?

answered Mar 7, 2017 at 10:56

27 votes

Accepted

Is there any way to read current Interrupt Mode in Z80 machine code?

answered Apr 13, 2024 at 21:59

25 votes

Can x86 processors run 8-bit applications?

answered Jun 9, 2016 at 22:50

25 votes

What key factor led to the sudden commercial success of MS Windows with v3.0?

answered Mar 3, 2017 at 10:21

24 votes

Accepted

Was it feasible to create Win16 software using pre-existing DOS development tools?

answered May 14, 2018 at 9:24

23 votes

Accepted

In CP/M, how did a program know when to load a particular overlay?

answered Jun 26, 2023 at 22:25

21 votes

Accepted

What are the difficulties in putting old AT style motherboards into modern ATX cases?

answered Jan 21, 2020 at 17:12

20 votes

Accepted

How can I connect a DIN plug keyboard to USB?

answered Jul 21, 2016 at 9:42

20 votes

Accepted

Which version of InstallShield can produce an installer showing three vertical meter bars, and how to do it?

answered Jan 21 at 19:00

18 votes

Accepted

Why does the ZX Spectrum ROM set I register, then wait 24 T-states?

answered Nov 18, 2024 at 0:48

17 votes

Accepted

Where can I find software that was designed for Windows 1.0?

answered Jul 2, 2020 at 20:53

16 votes

Accepted

Are there any ZX Spectrum applications (mainly games or demoscene productions) that use a port other than $FE to access the ULA?

answered Jun 12, 2016 at 20:58

16 votes

Accepted

Saving the screen on a ZX Spectrum without the prompt

answered Aug 10, 2016 at 20:35

14 votes

Accepted

Network card that came bundled with a space war game

answered Feb 12, 2021 at 14:44

14 votes

Looking for information on a programming language called WhatDoesItDo

answered Aug 13, 2020 at 21:22

14 votes

How do you run a program automatically when CP/M 2.2 loads?

answered Jan 4, 2023 at 15:47

14 votes

Storing results in BASIC DATA statements

answered Feb 28, 2024 at 14:58

12 votes

Partial sector transfers on old floppy disk controllers on old floppy-disk based operative systems (FDOS)

answered Jan 24, 2023 at 17:06

12 votes

How did early laser printers get by with so little memory?

answered Apr 13, 2021 at 0:18

11 votes

Early implementations of the `system()` call in a consumer OS

answered Apr 28, 2022 at 21:36

11 votes

Does lossy audio compression damage datasette data?

answered Mar 30, 2022 at 18:31

11 votes

Fastest non-emulated CP/M Z80-based computer ever built?

answered Apr 26, 2018 at 15:28

11 votes

Why did "protected-mode MS-DOS" never happen?

answered Jan 23, 2023 at 20:45

11 votes

What was the initial size of the file allocation table for a newly-formatted hard drive in MS-/PC-DOS 3.3?

answered Oct 29, 2024 at 16:46

10 votes

Did any system natively use 3-bitplane graphics?

answered Apr 29, 2017 at 16:26

10 votes

Writing DSK images onto a 3″ floppy for Amstrad/Sinclair computers

answered Nov 17, 2016 at 10:55

10 votes

Accepted

Why did Amstrad choose such bank combinations for its all-RAM mode in +2A and +3 Spectrum computers?

answered Jun 9, 2016 at 15:34

10 votes

How can I use ImageDisk (.IMD) images with VirtualBox, WinImage, etc.?

answered Oct 8, 2018 at 0:11

Stack Exchange Network

94 Answers

Was there a specific benefit to inverted (XOR) mouse cursors other than aesthetics?

Where did the term ‘blue screen of death’ come from?

Were there 8086 coprocessors other than the 8087?

Is there any way to read current Interrupt Mode in Z80 machine code?

Can x86 processors run 8-bit applications?

What key factor led to the sudden commercial success of MS Windows with v3.0?

Was it feasible to create Win16 software using pre-existing DOS development tools?

In CP/M, how did a program know when to load a particular overlay?

What are the difficulties in putting old AT style motherboards into modern ATX cases?

How can I connect a DIN plug keyboard to USB?

Which version of InstallShield can produce an installer showing three vertical meter bars, and how to do it?

Why does the ZX Spectrum ROM set I register, then wait 24 T-states?

Where can I find software that was designed for Windows 1.0?

Are there any ZX Spectrum applications (mainly games or demoscene productions) that use a port other than $FE to access the ULA?

Saving the screen on a ZX Spectrum without the prompt

Network card that came bundled with a space war game

Looking for information on a programming language called WhatDoesItDo

How do you run a program automatically when CP/M 2.2 loads?

Storing results in BASIC DATA statements

Partial sector transfers on old floppy disk controllers on old floppy-disk based operative systems (FDOS)

How did early laser printers get by with so little memory?

Early implementations of the `system()` call in a consumer OS

Does lossy audio compression damage datasette data?

Fastest non-emulated CP/M Z80-based computer ever built?

Why did "protected-mode MS-DOS" never happen?

What was the initial size of the file allocation table for a newly-formatted hard drive in MS-/PC-DOS 3.3?

Did any system natively use 3-bitplane graphics?

Writing DSK images onto a 3″ floppy for Amstrad/Sinclair computers

Why did Amstrad choose such bank combinations for its all-RAM mode in +2A and +3 Spectrum computers?

How can I use ImageDisk (.IMD) images with VirtualBox, WinImage, etc.?