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user3840170
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22 votes
Accepted

How did the C64 lockup bug and its workarounds work?

21 votes
Accepted

Was there ever a Linux kernel driver for accessing disks via BIOS?

21 votes
Accepted

What is the meaning of asctime?

21 votes
Accepted

Help identifying a platform game for UNIX from 1990s

20 votes

Disassembling Windows IO.SYS

20 votes
Accepted

Difference between INT 0x20 and INT 0x21 (0x4C)?

19 votes

Is side 0 on the top or bottom of a floppy disk?

18 votes
Accepted

Why are these DOS console drivers wasting precious bytes?

17 votes
Accepted

How can I enter BIOS setup on a Commodore PC 30-III?

17 votes
Accepted

Which is the first version of DOS to support more than one reserved sector in a FAT file system?

17 votes

Dimension of a 3.5-inch floppy disk

16 votes
Accepted

Is there a common convention to describe the encoding of a legacy text file?

16 votes

Why do sprites lag behind a scrolling map in first-generation Pokémon games?

15 votes

Why did MS-DOS choose the percent symbol to designate variables?

15 votes

Why is the ‘auto’ storage class specifier included in C?

15 votes
Accepted

Why did x86 support self-modifying code in the 80s and 90s?

15 votes
Accepted

Is this Votan voice assistant from 1984 a real system?

14 votes
Accepted

Windows 98 setup preparation hangs at 100%

14 votes

In 16-bit MS-DOS, how do I get a file handle to the currently running .exe?

13 votes

Is it possible to delete a phantom floppy drive under Windows ME without additional tools?

13 votes

Does this 8088 code in the Leisure Suit Larry 2 game actually do anything?

13 votes
Accepted

How can I read COM port addresses from BIOS in QuickBasic 4.5?

13 votes
Accepted

What's a good term for "instruction cycle count-accurate" emulation / simulation?

13 votes
Accepted

Why is QEMU cutting off the last cylinder of the disk image?

13 votes

How to determine BIOS-provided (INT 13h) hard disk geometry, and how to fix the MBR partition table to agree with it?

13 votes

Why have MS-DOS device drivers if the ROM BIOS provides access to the same devices already?

13 votes
Accepted

Did Intel syntax for x86 assembly come from an Intel assembler?

12 votes

What technical reasons prevented the Win9x Virtual Machine Monitor from running multiple threads simultaneously?

12 votes

When does an IBM-compatible PC keyboard controller dequeue scancodes?

12 votes

Why are there three different settings in the [Paths] section of MSDOS.SYS?