Retrocomputing Beta

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earned this badge 441 times.
How to detect a real Commodore 64, THEC64, or VICE emulator in software?
Awarded Jan 20 at 12:31
What language(s) implements function return value by assigning to the function name
Awarded Jan 19 at 7:04
Were there any computers that did not support virtual memory?
Awarded Jan 16 at 3:21
Did any CPU ever expose load delays?
Awarded Jan 10 at 19:42
What causes that “organic fade to black” effect in classic video games?
Awarded Jan 8 at 13:41
How can a Z80 assembly program find out the address stored in the SP register?
Awarded Jan 8 at 10:47
Make the “z80asm” assembler place an instruction at a known memory address
Awarded Jan 7 at 11:06
When did the IBM 650 have a “Table lookup on Equal” instruction?
Awarded Dec 20 '20 at 22:06
Why does the Vic-20 have two VIA chips?
Awarded Dec 18 '20 at 15:33
How did AMD's 386 and 486 perform like Intel's newer generation?
Awarded Dec 16 '20 at 17:19
Why does my CRT whine?
Awarded Dec 16 '20 at 6:06
Could any computers use 16k or 64k RAM chips?
Awarded Dec 14 '20 at 16:35
Why was the 1541 so slow?
Awarded Dec 14 '20 at 12:33
GOTO (etc) to a non-existent line?
Awarded Dec 9 '20 at 13:55
Twist in floppy disk cable - hack or intended design?
Awarded Dec 6 '20 at 13:20
Why was “C:” chosen for the first hard drive partition?
Awarded Dec 5 '20 at 0:33
Does the 6502's TXS and TSX affect flags or not?
Awarded Dec 4 '20 at 10:05
What sort of protocol did Soviet P6 cruise missile data links use?
Awarded Dec 4 '20 at 9:47
Which is the “equivalent bit-map resolution” of a Vectrex display?
Awarded Dec 4 '20 at 7:27
How much did the first hard drives for PCs cost?
Awarded Dec 4 '20 at 0:41
SAG Computer: What System is it?
Awarded Dec 2 '20 at 12:15
Why does the Applesoft BASIC have shapes?
Awarded Dec 1 '20 at 11:27
Is this a real system? Which one?
Awarded Dec 1 '20 at 7:58
Why did the 8087 need a special socket?
Awarded Nov 28 '20 at 12:48
Why did mainframes have big conspicuous power-off buttons?
Awarded Nov 26 '20 at 19:52
Why did MacOS Classic choose the colon as a path separator?
Awarded Nov 26 '20 at 5:07
What was the most critical supporting software for COBOL on IBM mainframes?
Awarded Nov 25 '20 at 19:05
How were 4-digit IC part numbers assigned?
Awarded Nov 22 '20 at 18:15
Why user-assembled kits?
Awarded Nov 21 '20 at 13:57
Why were pack-in games not usually incorporated on the console mainboard?
Awarded Nov 18 '20 at 22:10
Could a Z80 address a total of 128 KB of ROM and RAM?
Awarded Nov 16 '20 at 21:56
What is the function of this strange IBM apparatus?
Awarded Nov 16 '20 at 3:11
Did IBM originally plan to use the 68000 in the PC?
Awarded Nov 14 '20 at 21:50
Processor and operating systems for automatic lifts/elevators
Awarded Nov 4 '20 at 21:35
Algorithm for Apple IIe and Apple IIgs boot/start beep
Awarded Nov 3 '20 at 19:42
(post deleted or otherwise unavailable)
Awarded Nov 3 '20 at 9:00
How did games like Doom offer free trials? What was packaged in their free trial software packages?
Awarded Oct 29 '20 at 5:26
How much data could be stored on a single punched card?
Awarded Oct 15 '20 at 7:30
Why does the Z80 not have EX DE, IX?
Awarded Oct 14 '20 at 11:17
Why did MS-DOS choose the percent symbol to designate variables?
Awarded Sep 23 '20 at 18:02
Were there any bitmap-based 8080 computers?
Awarded Sep 21 '20 at 10:30
How and why did Intel make the PCI bus “CPU Agnostic”?
Awarded Sep 12 '20 at 18:40
What did code on punch cards do with the other six bits per column?
Awarded Sep 9 '20 at 17:32
Why do PC DOS kernel files have the COM extension, even though they are not executable as COM files?
Awarded Sep 7 '20 at 8:35
Glitch in the display of a Mac SE/30
Awarded Aug 30 '20 at 18:46
What did the DoD think Fortran lacked?
Awarded Aug 28 '20 at 7:32
Why did the assigned goto statement in Fortran need a label list?
Awarded Aug 26 '20 at 18:51
8-bit home computers without BASIC
Awarded Aug 24 '20 at 20:26
What is the massive CD drive used in the movie “Licence to Kill”?
Awarded Aug 23 '20 at 19:05
When and where did the $ convention for hexadecimal literals originate?
Awarded Aug 17 '20 at 8:25
Where and when did the `0x` convention for hexadecimal literals originate?
Awarded Aug 16 '20 at 17:09
Looking for information on a programming language called WhatDoesItDo
Awarded Aug 14 '20 at 9:56
How can I understand numerical precision of values in Microsoft BASIC (on the Dragon 32)?
Awarded Aug 12 '20 at 4:06
Is this an Amiga? If so, which model?
Awarded Aug 10 '20 at 19:11
Is the Coleco computer from The Simpsons based on a real computer?
Awarded Aug 8 '20 at 14:41
Commodore Plus/4 60671 bytes free - how?
Awarded Aug 1 '20 at 21:47
C64/PETSCII block graphic symbol: was there ever a logical reason for their “ASCII” codes?
Awarded Jul 24 '20 at 0:52
Why is the keyboard and cellphone / telephone numbers in a different order?
Awarded Jul 13 '20 at 21:42
Why is the clock frequency of the PS/2 keyboard protocol so high?
Awarded Jul 13 '20 at 8:43
Were there really any cost savings in Sinclair QL because of it being 8-bit design with 8-bit bus 68k CPU?
Awarded Jul 11 '20 at 1:49
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