Retrocomputing

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Trying to understand some assembly syntax in the Unix v7 write system call
Awarded Jun 7 at 7:52
What is the best way to set up multiple operating systems on a retro PC?
Awarded Jun 6 at 15:47
Why do BK computers have unusual representations of $ and ^
Awarded Jun 5 at 15:49
Why was MacOS unix certified?
Awarded Jun 5 at 8:32
Does an Apple //e actually have 64KB of RAM?
Awarded Jun 5 at 2:37
Is it possible to write unit tests in Applesoft BASIC?
Awarded Jun 2 at 18:07
Choosing a VGA card for the IBM 5162?
Awarded Jun 2 at 16:27
Is it possible to raise the frequency of command input to the processor in this way?
Awarded Jun 2 at 12:27
In this movie I see a strange cable for terminal connection, what kind of connection is this?
Awarded May 31 at 14:16
What are these keys on the БК-0010-series keyboards, and what do they do?
Awarded May 31 at 12:48
What is the serial protocol commonly used over RS-232 (among other links) and where did it come from?
Awarded May 30 at 14:51
How can a 32-bit x86 CPU start with reset vector 0xFFFFFFF0 even though it starts in 16-bit real mode?
Awarded May 26 at 12:30
What is a Hollerith file on a GE/Honeywell computer?
Awarded May 25 at 21:07
How were games and programs written for the C64 in assembler in the 80s? [duplicate]
Awarded May 25 at 14:47
What does 'try again' mean in Unix v6?
Awarded May 25 at 8:43
What does MOS 6507 do in Atari 2600 when you turn it on without a cartridge?
Awarded May 25 at 7:16
Unable to install Colonization in DOSBox
Awarded May 24 at 20:35
Does "Unix" and "UNIX" represent the same thing?
Awarded May 24 at 20:18
Using Clang to compile MS-DOS executables
Awarded May 23 at 10:56
Where/when did the sentence "a good developer is lazy" first appear?
Awarded May 23 at 7:41
How can I ensure my computer design is not anachronistic?
Awarded May 22 at 2:57
How to mount Macintosh Performa's HFS (not HFS+) Filesystem
Awarded May 19 at 18:57
How Amiga A590 autoboot ROM and bootable floppy disk works?
Awarded May 19 at 17:41
Why did the EDSAC use mercury delay lines?
Awarded May 18 at 10:03
Address of ISR for Interrupt INT 13H
Awarded May 17 at 5:22
Why does the Vic-20 have two VIA chips?
Awarded May 16 at 23:07
Assembly delay function for C64
Awarded May 15 at 23:55
What was the release date of the MOS 8502?
Awarded May 15 at 23:55
Why didn't Apple II / II+ 80-column cards use slot 7?
Awarded May 13 at 19:03
Did the rm project remove itself during early development?
Awarded May 13 at 18:51
Does the Sega Megadrive 2 have built-in protection against reverse polarity
Awarded May 13 at 11:31
How much memory did the PlayStation development kit have?
Awarded May 12 at 13:40
ZX Spectrum: What is the "T" state value, with reference to sound?
Awarded May 10 at 6:02
Did the original Macintosh not have any MIDI or similar music capabilities?
Awarded May 8 at 18:50
When did various PONG systems overflow/crash due to points?
Awarded May 8 at 14:26
How much PSU power do I need for an AMD 386DX-40 computer?
Awarded May 8 at 13:06
The Cray 1 used 115 kW of power. How was that much grid power physically delivered to the unit?
Awarded May 8 at 4:52
Commodore 64 with partly working keyboard
Awarded May 6 at 9:26
Is it possible to detect a CGA card on an IBM PC 5150 by write/reading the Motorola 6845?
Awarded May 5 at 18:27
When did the natural number of branch delay slots become greater than 1?
Awarded May 5 at 14:17
Any Issues with running Workbench 1.3 on a Kickstart 1.2 Amiga 500?
Awarded May 5 at 14:12
What's the easiest way to change from MS-DOS 6.22 to DR-DOS?
Awarded May 5 at 13:03
On an ISA bus, is data read on the falling or rising edge of /IORD?
Awarded May 5 at 11:50
Why did they create PC games relying on a fixed CPU frequency instead of a clock function?
Awarded May 5 at 9:10
What did Microsoft customize on Windows 95 installation floppy disks?
Awarded May 4 at 21:57
Did x86 CPU vendors like Intel, NEC, AMD, and Cyrix provide their own debugger for DOS with better CPU support and was it free?
Awarded May 4 at 14:30
How to transfer software from website to a Classic (SE/30) Macintosh
Awarded May 4 at 1:56
Did Commodore ever produce gray colored Commodore 64?
Awarded May 3 at 5:06
Why did DOS-based Windows require HIMEM.SYS to boot?
Awarded May 1 at 21:21
Copy content between floppy disks on Apple II
Awarded May 1 at 19:56
TCP over RS-232 with Windows 3.1 and Internet Explorer 5 dialer
Awarded May 1 at 9:55
What were the most popular text editors for MS-DOS in the 1980s? [closed]
Awarded Apr 30 at 16:51
How to build an ATA controller for the AT bus?
Awarded Apr 27 at 22:19
What are the Ultra-Highres registers in ECS and AGA for?
Awarded Apr 27 at 20:06
Are there any drivers available to use DivMMC on the Spectrum +3e with CP/M plus?
Awarded Apr 27 at 16:53
How was the order of Unicode block-quadrant characters chosen?
Awarded Apr 27 at 7:20
Help porting nasm code down from 386 to 8088 (shifts by more than 1 bit)
Awarded Apr 25 at 4:58
Would a multi button controller have been possible on the C64?
Awarded Apr 24 at 7:47
Why was desktop CPU frequency so low in the late 1990s?
Awarded Apr 24 at 6:05
Document format for a DOS word processor where control commands begin with a dot
Awarded Apr 20 at 16:33
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