Retrocomputing

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Awarded 2673 times.
Beep command with letters for notes (IBM AT + DOS circa 1984)
Awarded Jun 29 at 18:25
In CP/M, how did a program know when to load a particular overlay?
Awarded Jun 28 at 12:26
Difference between program and application [closed]
Awarded Jun 26 at 9:19
Do any FAT8 filesystem images survive?
Awarded Jun 23 at 22:40
ImageWriter II occasionally prints hex dumps
Awarded Jun 23 at 5:25
What used EBCDIC code pages 1 thru 5?
Awarded Jun 23 at 4:10
Samsung SyncMaster 3 cannot show resolutions up from 800x600 despite manual saying otherwise
Awarded Jun 22 at 15:16
Copying disk images to Commodore 64 floppy disks
Awarded Jun 22 at 14:49
How did ZX Spectrum games loaders prevent the use of MERGE?
Awarded Jun 21 at 20:49
Programming languages that used degrees in trig functions?
Awarded Jun 20 at 23:10
Can you manually load an Amiga library into memory?
Awarded Jun 20 at 1:30
Zip drive eject "tool"
Awarded Jun 15 at 3:30
How was the @ sign added to keyboards and character sets?
Awarded Jun 14 at 20:26
Did any games use the "Super Scaler" technique past Slip Stream?
Awarded Jun 14 at 19:21
Did any ZX Spectrum clones use a 16 bit datapath between memory and video generation?
Awarded Jun 8 at 21:11
Has there ever been a C compiler where using ++i was faster than i++?
Awarded Jun 8 at 12:42
Did anybody use PCBs as macro-scale mask-ROMS?
Awarded Jun 8 at 11:17
What is the best way to set up multiple operating systems on a retro PC?
Awarded Jun 7 at 23:47
Why is my Sega Genesis/Mega Drive II getting frozen?
Awarded Jun 7 at 14:41
Towards people who were there, what programs did you use to develop applications for the IBM 5150? [closed]
Awarded Jun 6 at 3:11
Why was MacOS unix certified?
Awarded Jun 5 at 4:32
Why did the Apple IIc perform badly in the market?
Awarded Jun 5 at 3:16
What are these keys on the БК-0010-series keyboards, and what do they do?
Awarded May 30 at 22:48
What is the serial protocol commonly used over RS-232 (among other links) and where did it come from?
Awarded May 30 at 18:55
What is the difference (if any) between these two expressions in FOCAL?
Awarded May 30 at 7:07
Examples of usage of secondary channel on 25-pin RS232 serial port
Awarded May 29 at 21:12
What causes the monitor to reduce to four lines on BK 0010 Focal?
Awarded May 29 at 6:18
Anyone know of older mentions of the word "trap" for software interrupts than the IBM 704 manual from 1955?
Awarded May 28 at 15:48
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 8:21
What does 'try again' mean in Unix v6?
Awarded May 25 at 22:33
What does MOS 6507 do in Atari 2600 when you turn it on without a cartridge?
Awarded May 24 at 19:15
MC68000: address error in initial PC
Awarded May 24 at 10:25
Using Clang to compile MS-DOS executables
Awarded May 23 at 7:28
Where/when did the sentence "a good developer is lazy" first appear?
Awarded May 23 at 1:56
How does the Apple II address more than 128KB of RAM?
Awarded May 18 at 16:06
Assembly delay function for C64
Awarded May 17 at 19:57
What is the mainframe in this image in Ireland?
Awarded May 17 at 18:05
Origin of copy-protection dongles
Awarded May 15 at 9:11
Did the rm project remove itself during early development?
Awarded May 14 at 18:32
What was the release date of the MOS 8502?
Awarded May 13 at 19:42
What programming languages were most commonly used on the AS/400 in the 90s?
Awarded May 12 at 12:16
Is it still possible to access a BBS via dial up internet on the C64 (or other retro computers)
Awarded May 10 at 12:27
Did the original Macintosh not have any MIDI or similar music capabilities?
Awarded May 9 at 9:05
The Cray 1 used 115 kW of power. How was that much grid power physically delivered to the unit?
Awarded May 8 at 18:25
Why did they create PC games relying on a fixed CPU frequency instead of a clock function?
Awarded May 5 at 14:50
Is it possible to detect a CGA card on an IBM PC 5150 by write/reading the Motorola 6845?
Awarded May 4 at 23:52
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 7:00
What is the difference between the different versions of the SID or SID86 debugger for the x86 PC that was shipped with the different DR-DOS versions?
Awarded May 3 at 9:48
How do I stop flickering in mode 13h?
Awarded May 2 at 12:27
Why did DOS-based Windows require HIMEM.SYS to boot?
Awarded May 1 at 14:42
What were the most popular text editors for MS-DOS in the 1980s? [closed]
Awarded Apr 30 at 12:51
How was the order of Unicode block-quadrant characters chosen?
Awarded Apr 27 at 11:25
How can I avoid overflowing R_SPARC_13 relocations when writing SPARC assembly?
Awarded Apr 25 at 15:15
Help porting nasm code down from 386 to 8088 (shifts by more than 1 bit)
Awarded Apr 24 at 18:41
Why was desktop CPU frequency so low in the late 1990s?
Awarded Apr 24 at 14:18
What were the Apple II artifact colors?
Awarded Apr 23 at 23:33
How do I create a boot menu to select between Windows and DOS?
Awarded Apr 22 at 20:10
Document format for a DOS word processor where control commands begin with a dot
Awarded Apr 21 at 8:07
Old grid-based puzzle game with snakes that wake up when on the same row/column as you
Awarded Apr 19 at 17:55
Was there ever a microcomputer with a full-size keyboard and a hex numpad?
Awarded Apr 19 at 13:12
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