Retrocomputing

Enlightened

 Enlightened
First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.
Awarded 1405 times.
How much memory did the PlayStation development kit have?
Awarded 2 days ago
How did the Apple IIe convert to upper case?
Awarded 2 days ago
Was bootloading from punch cards possible on System/370 machines?
Awarded Nov 28 at 0:05
Help understanding TAIPAN source code for the Apple II
Awarded Nov 28 at 0:05
Why did the Atari 800 have a flying RF lead?
Awarded Nov 27 at 20:16
What is the oldest UNIX available for modern systems?
Awarded Nov 26 at 0:27
Were cassette tapes designed to be adjusted by pencils?
Awarded Nov 16 at 15:42
Could Teletype Model 33 ASR console work on a desktop, without the dedicated stand?
Awarded Nov 13 at 9:16
History of static analysis tools for defect identification
Awarded Nov 12 at 14:12
Is side 0 on the top or bottom of a floppy disk?
Awarded Nov 6 at 22:50
C64 char screen plot routine - not clear about reason for logical OR
Awarded Nov 1 at 11:42
How did the OS/360 link editor achieve overlay structuring at linkage time without annotations in the source code?
Awarded Oct 27 at 17:21
Why does NT4 fail on boot if you give it an x64 CPU?
Awarded Oct 24 at 15:32
What sort of LCDs are used by the Game Boy/TI-83 calculator/etc.?
Awarded Oct 23 at 8:26
Why did 1990s-2000s LCD all use 60 Hz refresh?
Awarded Oct 22 at 10:45
What operating systems allowed arbitrarily-sized disk blocks?
Awarded Oct 20 at 7:35
How fast did the ARM-1 access memory?
Awarded Oct 17 at 18:51
Which computer language was the first with two forward slashes ("//") for comments?
Awarded Oct 16 at 21:42
What problem does LOADFIX solve?
Awarded Oct 15 at 8:00
Which BASIC-like language has "ENDIF", "DIM ... OF" to declare arrays, and a double slash for comments?
Awarded Oct 13 at 17:52
How were printouts done on Commodore PETs
Awarded Oct 12 at 19:31
What are the blinking rates of the caret and of blinking text on PC graphics cards in text mode?
Awarded Oct 8 at 15:42
What is this unusual syntax for the Commodore SYS command?
Awarded Oct 4 at 18:22
What's the correct Unicode code point for the Apple IIe's "delete" symbol?
Awarded Oct 1 at 14:08
AmigaOS 3.9 - where can I buy it?
Awarded Sep 25 at 13:28
What's the difference between the DOS HIMEM.SYS and the Windows 3.x version?
Awarded Sep 24 at 13:57
How do you find the EBDA address?
Awarded Sep 23 at 20:31
Is there any RAM disk software available for Apple II DOS 3.3?
Awarded Sep 21 at 6:11
Were there any PCs using the i376?
Awarded Sep 20 at 7:25
Detecting if a video mode is supported by INT 0x10
Awarded Sep 19 at 20:25
Submarine diver game where you had to collect fish and other things for your aquarium
Awarded Sep 15 at 12:40
What is the arcade game played in the "The Boys Next Door" movie?
Awarded Sep 14 at 0:05
Why does the LGP-30 leave half its instruction word unused?
Awarded Sep 12 at 16:33
Where can I find the code of the ancestors of the WebKit family of web browsers?
Awarded Sep 12 at 5:06
Were there 6502 revisions B and C, and what were they like?
Awarded Sep 11 at 16:20
Why does the Manchester Baby have two jump instructions?
Awarded Sep 11 at 16:20
PDP-11 Program to Execute Only in the Registers
Awarded Sep 11 at 2:52
MSX's primary and secondary slots
Awarded Sep 9 at 16:26
Did the Z8000 ever hit the home computer market?
Awarded Sep 4 at 11:20
What were the alternative graphic cards for the Apple II?
Awarded Aug 29 at 3:33
Did a serial port card reader sink the prospects of consumer chip card readers?
Awarded Aug 25 at 20:11
How did the ZX80 RAM pack use DRAM?
Awarded Aug 12 at 21:09
"Quit all programs, and then restart your computer" in the Windows 95 "Illegal operation" dialog
Awarded Aug 11 at 16:42
Reconstruct the loop from "The Story of Mel"
Awarded Aug 10 at 20:16
Did the IBM ServiceFree really reach 80 MIPS in 1975?
Awarded Aug 10 at 0:12
What could SID do that APU could not?
Awarded Aug 9 at 10:22
Did the IBM 1401 have much better code density than the 360?
Awarded Aug 4 at 5:32
How did Altair 8800 interrupts work?
Awarded Aug 2 at 8:52
Classic Mac OS colors to modern RGB
Awarded Aug 1 at 15:48
Is the substitution "ss" for "ß" on mainframes due to the SS being the largest customer of IBM punched cards outside the USA?
Awarded Aug 1 at 15:48
Undocumented ModR/M byte combinations
Awarded Jul 31 at 1:41
How does 2M for DOS (2 MB formatted floppy disks) achieve what it does?
Awarded Jul 26 at 15:42
Why does the Commodore 64 have 4K of non-banked RAM at $C000?
Awarded Jul 26 at 5:35
Denys Fisher, of Spirograph fame, using a computer late 1976, early 1977
Awarded Jul 19 at 8:41
"Intrusion countermeasures" in VMS 4.2
Awarded Jul 18 at 8:57
Help identifying a platform game for UNIX from 1990s
Awarded Jul 18 at 0:40
What's the name of this Apple monitor
Awarded Jul 11 at 7:51
What did it cost the 8086 to support unaligned access?
Awarded Jul 6 at 12:05
Difference between machine language and machine code, maybe in the C64 community?
Awarded Jul 6 at 12:05
Beep command with letters for notes (IBM AT + DOS circa 1984)
Awarded Jun 28 at 15:18
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