Retrocomputing Beta

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Awarded 773 times.
Time to generate an asymmetric key on a 6800 or 8086?
Awarded 12 hours ago
How can a Z80 assembly program find out the address stored in the SP register?
Awarded Jan 7 at 23:46
Why do multiple SNES games share the same title screen music?
Awarded Dec 23 '20 at 20:56
Why is this gcd implementation from the 80s so complicated?
Awarded Dec 21 '20 at 22:56
Does an OS, in particular Unix, need special support for terminal colors? [closed]
Awarded Dec 20 '20 at 21:16
When did the IBM 650 have a “Table lookup on Equal” instruction?
Awarded Dec 20 '20 at 15:27
ZX Spectrum fuse-emulator - how to use loader/multi-file program?
Awarded Dec 20 '20 at 10:45
Why is my program outputting only zeros to the data bus during I/O operations?
Awarded Dec 13 '20 at 17:10
Why was “C:” chosen for the first hard drive partition?
Awarded Dec 4 '20 at 17:57
How much did the first hard drives for PCs cost?
Awarded Dec 3 '20 at 16:41
What specific factor(s) made Thomas Watson, Jr. (of IBM) so enthusiastic about early electronics?
Awarded Dec 3 '20 at 11:50
SAG Computer: What System is it?
Awarded Dec 2 '20 at 9:40
Macintosh IIci not booting
Awarded Dec 1 '20 at 22:34
Why wasn't DOSKEY integrated with COMMAND.COM?
Awarded Nov 30 '20 at 21:47
How can I restore the VDC RAM to usable text mode after clearing memory for hi-res graphics?
Awarded Nov 30 '20 at 19:21
Why did MacOS Classic choose the colon as a path separator?
Awarded Nov 29 '20 at 2:11
First use of “destructuring” in computing?
Awarded Nov 25 '20 at 19:34
8086 duration of program
Awarded Nov 23 '20 at 6:56
First time using an Amstrad CPC 6128 Disc Drive [duplicate]
Awarded Nov 21 '20 at 13:18
Is there a seamless, Wine-like AmigaOS emulator for Linux, specifically for text-based programs?
Awarded Nov 20 '20 at 0:25
Connecting a Vintage Monochrome Monitor to a Modern PC
Awarded Nov 18 '20 at 7:41
Was AGP only ever used for graphics cards?
Awarded Nov 17 '20 at 22:37
Where can I donate Old Mags and Media in bulk in UK?
Awarded Nov 17 '20 at 15:28
What is the function of this strange IBM apparatus?
Awarded Nov 15 '20 at 18:06
MS-DOS adventure game heavily based on Blade Runner, circa 1991
Awarded Nov 15 '20 at 16:18
Better way to do Z80 “bank switch & call”?
Awarded Nov 15 '20 at 10:32
Difference between INT 0x20 and INT 0x21 (0x4C)?
Awarded Nov 13 '20 at 13:11
What were the alternative graphic cards for the Apple II?
Awarded Nov 13 '20 at 9:55
ZX Spectrum 48k Power Supply outputting 15V
Awarded Nov 11 '20 at 14:05
Whatever happened to the Refal language?
Awarded Nov 3 '20 at 11:25
How can I boot or extract files from an IBM PS/1 with a DoubleSpace-compressed hard drive?
Awarded Nov 2 '20 at 19:06
What is this port? [closed]
Awarded Oct 31 '20 at 11:33
Commodore 64 CC65 - I need help with config set up for using a data segment in Bank 3
Awarded Oct 27 '20 at 20:36
Symbian emulator to run Ngage games
Awarded Oct 25 '20 at 12:41
1980's commodore 64 game about flying toward tower
Awarded Oct 25 '20 at 4:04
Is this the reason why fread/fwrite has 2 `size_t` arguments?
Awarded Oct 23 '20 at 1:32
Could a single NES ROM cartridge run on both PAL and NTSC systems?
Awarded Oct 22 '20 at 3:45
Questions about Security over Using an Ancient Mac Computer on The Internet
Awarded Oct 18 '20 at 21:04
Trying to create a filesystem ROM for Amstrad CPC but tape is still waiting
Awarded Oct 18 '20 at 17:26
Is it possible to change keyboard key maps on System 6?
Awarded Oct 17 '20 at 16:25
Intel CPU bug in the '90s
Awarded Oct 13 '20 at 15:50
Default (as opposed to physical) read/write heads - what are they?
Awarded Oct 12 '20 at 18:12
Which system was the first which was capable of running graphics programs remotely?
Awarded Oct 12 '20 at 10:40
Could the Apple IIGS play any and all Amiga MOD files?
Awarded Oct 6 '20 at 18:26
Distinction between scientific and business computing
Awarded Oct 6 '20 at 3:36
Which language was faster at executing programs, Algol or Fortran?
Awarded Oct 4 '20 at 2:56
Do I need buffers to drive LEDs from the Z80's main bus? [closed]
Awarded Oct 1 '20 at 16:35
Single-stepping a Z80 - only first instruction is successful
Awarded Sep 30 '20 at 12:50
When if ever was the C language 'int' size altered from the host machine word (register) size into a literal 32 bit size?
Awarded Sep 29 '20 at 14:58
TRS-80 Accessory - Data Drawer File System
Awarded Sep 28 '20 at 19:57
Bakelite as data storage
Awarded Sep 28 '20 at 17:01
Why does the Amiga 500 have half the HSYNC pulses seperately compared to those in CSYNC?
Awarded Sep 25 '20 at 10:32
How can I connect this 3-pin Slot 1 CPU fan to my system that uses a 2-pin connector?
Awarded Sep 21 '20 at 22:18
How does the Everdrive handle all the special chips and stuff that were put in cartridges?
Awarded Sep 20 '20 at 3:08
Where is/was the standard V.35 connector defined?
Awarded Sep 19 '20 at 20:40
What year was my old, long-lost IBM PC born? And which form factor/model was it?
Awarded Sep 18 '20 at 21:42
How can I malloc() a block that's guaranteed to lie within a single DMA segment in Turbo C 2.01?
Awarded Sep 17 '20 at 20:56
How can I send RS-232 serial data to a Tandy plotter reliably?
Awarded Sep 16 '20 at 7:04
6800 I flag at reset
Awarded Sep 15 '20 at 22:27
Large number of Famiclones
Awarded Sep 14 '20 at 21:56
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