Retrocomputing Beta

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Awarded 881 times.
Usage of Windows default 20-color palette
Awarded yesterday
Porting use of BASIC to-the-power ^ operator
Awarded Oct 10 at 20:02
What's this computer in the 1988 movie "Vampire's Kiss"?
Awarded Oct 10 at 12:27
6502 ORA not updating the accumulator
Awarded Oct 10 at 7:45
why the result comes out as 1, rather than 2, in this 8086 Subtract with borrow? [closed]
Awarded Oct 9 at 2:35
Name of MS-DOS program that shows realtime update of light/dark map of whole planet
Awarded Oct 8 at 23:17
How does this 8080 code perform division with remainder?
Awarded Oct 3 at 20:33
Apple II Assembly DSECT
Awarded Oct 2 at 18:08
Which computer system defined the IPv4 576 byte datagram limit?
Awarded Sep 28 at 21:42
Cleaning buckling spring keyboards
Awarded Sep 18 at 9:46
What's the minimum number of tubes per bit required to store a register?
Awarded Sep 16 at 5:18
What is the purpose of mirrored memory regions in NES's CPU memory map? [duplicate]
Awarded Sep 15 at 23:11
Digital to analog in an old 35mm film recorder [closed]
Awarded Sep 11 at 2:16
How can I set up the Microsoft C compiler to make it prefer immediate-mode push instructions?
Awarded Sep 9 at 5:56
What happened to MODULA-2?
Awarded Sep 6 at 6:32
How did DOS games manage to have multiple background layers?
Awarded Sep 4 at 12:26
Mid 80's arcade top-down scrolling spaceship shooter with upgradable ship
Awarded Aug 25 at 16:06
Is it possible to swap the Apple IIc's monochrome CRT tube for a color one?
Awarded Aug 13 at 19:45
How should I repaint my Commodore PET?
Awarded Aug 12 at 12:57
Looking for educational AI game for classic Mac OS
Awarded Aug 10 at 5:47
How to repeat a string in C64 BASIC V2?
Awarded Aug 5 at 14:57
Is this SpeedDOS chip mounted right in my C64?
Awarded Jul 28 at 12:04
What was the first programming language to use `+` for string concatenation?
Awarded Jul 24 at 15:50
How does Laplink achieve "high speeds" on standard/legacy serial ports?
Awarded Jul 24 at 14:56
What's the origin of terminating strings by setting the high bit of the last character?
Awarded Jul 23 at 18:32
What are the "other crontabs" that /etc/crontab refer to? [closed]
Awarded Jul 21 at 19:34
Identify this 1990s-era educational game featuring kohlrabi
Awarded Jul 20 at 20:27
How would old software using the SIGPIPE signal really work if it were to manage _many_ pipes?
Awarded Jul 18 at 21:31
How did Mega-Lo-Mania's save state system work?
Awarded Jul 18 at 17:50
ZX Spectrum coordinates to bitmap conversion subroutine acting strange
Awarded Jul 17 at 20:46
What would be the value on the data bus for a Jupiter ACE with the Z80 Interrupt Mode 2?
Awarded Jul 14 at 20:12
Can a Japanese (or US) PSU for Nintendo 64 be run with 230 V mains?
Awarded Jul 14 at 16:12
Why do Game Boy games have explicit save functions, instead of using battery-backed non-volatile cartridge SRAM to store the game state?
Awarded Jul 12 at 13:49
DOSBox problem reading floppy boot sector using INT 0x13 on a drive mounted using MOUNT
Awarded Jul 11 at 14:56
The Slowest Microprocessor [closed]
Awarded Jul 7 at 18:51
What is the name of the video signal recognized by this monitor?
Awarded Jul 3 at 9:25
Why were single quotes ('…') chosen for characters, and double quotes ("…") for strings?
Awarded Jun 26 at 15:42
Is there a way to work around the maximum clock rate of Z80 PIO chips?
Awarded Jun 26 at 15:20
How were "catalog" picture files created? [closed]
Awarded Jun 26 at 14:03
Did COBOL have an English-like "or" operator?
Awarded Jun 24 at 11:10
Is it true that "do ... done" blocks in Bash do not end with "od" because od existed before Bash/Bourne shell?
Awarded Jun 23 at 8:46
Can I retrobright using Oxycream (used in hair dyes)?
Awarded Jun 22 at 6:51
Is there a way to use .ident or * (PC) in numeric macro variables (using .set)?
Awarded Jun 20 at 21:56
How fast were BASIC interpreters in the 80s? (Is this optimization for speed really necessary?)
Awarded Jun 20 at 11:48
What is the (standardized) weight of a 3.5 inch floppy disk?
Awarded Jun 18 at 20:15
9-pin vs 10-pin serial port ribbon cables
Awarded Jun 14 at 22:12
How was the wiring color order of the modular connector determined?
Awarded Jun 14 at 11:35
How was end-of-file stored on a Commodore 1541 disk? [duplicate]
Awarded Jun 12 at 18:16
What's the easiest way to change from MS-DOS 6.22 to DR-DOS?
Awarded Jun 11 at 10:56
How does an 8086 CPU remember the memory address where it should write back the operation’s result? [closed]
Awarded Jun 7 at 13:03
Why does the ZX81 not have user definable characters without extra hardware i.e. why could the character ROM not be in RAM?
Awarded Jun 6 at 0:18
An old game with skeletons and other creatures
Awarded May 28 at 14:00
Is the only reason that my PAL NES is able to run NTSC/American games that it's doing it on an EverDrive?
Awarded May 27 at 0:21
How do I terminate an ISA bus correctly?
Awarded May 23 at 10:20
What is the name of the publishing software used at IBM in the late 80s?
Awarded May 20 at 10:21
M68k Big Endian to Little Endian
Awarded May 19 at 11:48
How did voice dialing work in old Nokia phones?
Awarded May 19 at 9:52
What, if any, available older versions of Linux distributions does xroach gracefully run on?
Awarded May 18 at 12:03
What was the "32-bit" ISA bus (connector) extension for 80386 PCs?
Awarded May 14 at 6:56
How can I install debug VXDs from the Windows 98 DDK?
Awarded May 14 at 3:35
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