Retrocomputing Beta

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Awarded 817 times.
CRT Mitsubishi Diamond Pro 1000 black screen: flashes BIOS logo during boot, but otherwise black
Awarded yesterday
What could be the reason an `LD B, B` instruction was used in this busy loop?
Awarded 2 days ago
8088 CPU A16-A19 address lines go crazy with nop test after 0FFFF address
Awarded Apr 12 at 22:56
Startup behavior of Gameboy - what to replicate in an emulator? [closed]
Awarded Apr 11 at 20:11
Why does the 6502 JSR instruction only increment the return address by 2 bytes?
Awarded Apr 10 at 17:35
3.5″ floppy drive shown as 5.25″ in Windows 98 SE
Awarded Apr 8 at 18:00
Basilisk II how mount unix filesystem
Awarded Apr 3 at 12:26
C64 KERNAL Loading into I/O space [duplicate]
Awarded Apr 1 at 21:15
What is the correct name for the old green/amber-on-black monitors, and what are the best vintage models to look for used?
Awarded Mar 29 at 15:16
Who are the people associated with Simula, Assembler and Fortran in this video?
Awarded Mar 28 at 17:16
Why are the later revisions of the Motorola 68060 heavily sought after by Amiga fans?
Awarded Mar 25 at 3:50
Z80, do I need a resistor for pins to Vcc?
Awarded Mar 24 at 10:47
How did the Apple IIGS automatically slow 5.25 inch disk I/O code for backwards compatability?
Awarded Mar 23 at 22:56
Was there a hard disk format countdown easter egg hidden in the Windows 95 installer?
Awarded Mar 17 at 2:26
Could a BBC Micro power supply be replaced with USB power?
Awarded Mar 16 at 9:43
What was the intended use for the character symbols for control codes in codepage 437?
Awarded Mar 8 at 0:16
Have TCP connections ever been exclusive per port?
Awarded Mar 5 at 15:17
Is there a database of the box contents for different versions of NES games?
Awarded Mar 3 at 3:08
“Restoring” a 1986 Compaq Portable II (Cabling question)
Awarded Mar 1 at 14:57
How can extra (digital) data be hidden on VCR/VHS tapes? [closed]
Awarded Mar 1 at 8:06
PDP-1 skip group invert bit functionality
Awarded Feb 25 at 18:31
How to decode hexadecimal number in IBM/360 column binary format
Awarded Feb 25 at 3:05
Behavior of DECDHL on single lines
Awarded Feb 23 at 12:57
CPU slaves on a PCI card to retrofit single processor to multiple processors. Any ideas how? [closed]
Awarded Feb 17 at 2:45
Did the original BBC Micro computer come with a mouse?
Awarded Feb 16 at 14:46
Are there any “modern” SCSI devices?
Awarded Feb 13 at 20:22
Network card that came bundled with a space war game
Awarded Feb 13 at 10:11
Did the Power Macintosh 8500 have accelerated blitting?
Awarded Feb 11 at 4:02
Hitachi HD630x executable format
Awarded Feb 10 at 7:51
NEC PC-88 video mode and resolution in games
Awarded Feb 9 at 14:34
Identifying the functionality of the memory select IC in Apple II
Awarded Feb 7 at 21:56
Did the Tiger Game.Com include any hardware accelerated graphics?
Awarded Feb 7 at 21:47
What is the MOS 6502 doing on each cycle of an instruction?
Awarded Feb 7 at 8:26
Dump process memory of Windows 3.1 control panel applet
Awarded Feb 5 at 13:40
Delay loop in BASIC
Awarded Feb 4 at 20:42
How can I read COM port addresses from BIOS in QuickBasic 4.5?
Awarded Feb 3 at 22:41
Does the in-code argument passing conventions used on PDP-11's have a name?
Awarded Feb 2 at 13:35
What to do with stone age x86 computers? [closed]
Awarded Feb 1 at 15:16
Where are the sources of the original curses library?
Awarded Feb 1 at 12:51
How to configure NETWORK and TCP on a DOS VM
Awarded Jan 26 at 7:16
Reverse engineering an RS-422 protocol with access to only one device?
Awarded Jan 24 at 16:48
Macintosh II ROM Replacement
Awarded Jan 24 at 5:51
Is it still possible to access a BBS via dial up internet on the C64 (or other retro computers)
Awarded Jan 20 at 19:51
Reading data of floppies from a ZX Spectrum Swift disk
Awarded Jan 18 at 15:52
How was “Super Mario Bros” made with Assembly if the DASM compiler came out in 1987?
Awarded Jan 18 at 12:06
Time to generate an asymmetric key on a 6800 or 8086?
Awarded Jan 16 at 11:07
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
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