Retrocomputing Beta

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earned this badge 386 times.
Commodore Plus/4 60671 bytes free - how?
Awarded 2 days ago
C64/PETSCII block graphic symbol: was there ever a logical reason for their “ASCII” codes?
Awarded Jul 24 at 0:52
Why is the keyboard and cellphone / telephone numbers in a different order?
Awarded Jul 13 at 21:42
Why is the clock frequency of the PS/2 keyboard protocol so high?
Awarded Jul 13 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 at 1:49
Why did SCSI require so many pins?
Awarded Jul 10 at 16:57
Which CPUs, if any, had an 8-bit address space?
Awarded Jul 10 at 9:01
Z80 PIO Keyboard
Awarded Jul 9 at 11:30
When did IBM start to use ASCII?
Awarded Jul 9 at 6:26
Could you reverse engineer silicon just by looking at it?
Awarded Jul 8 at 23:26
Executable ASCII files before x86?
Awarded Jul 8 at 11:07
Why did IBM System /360 have byte addressable RAM, but didn't have 8 bits registers
Awarded Jul 8 at 4:05
What's the terminal/home computer used as a prop in the computer school in Superman 3?
Awarded Jul 7 at 6:10
Any ways to have an architecture with a different base than base16?
Awarded Jul 7 at 3:10
Was it possible to write a novel on a BBC Micro 16kb/32kb memory era computer without expansions?
Awarded Jul 5 at 2:57
VIC-20 vs. VC20 (or VC-20)
Awarded Jul 4 at 10:18
Why did IBM 7030 or IBM 360 use byte and word addressing simultaneously
Awarded Jul 2 at 4:42
How did dusty deck Fortran handle overflow?
Awarded Jul 1 at 3:03
Is integer arithmetic really slower than float with (early) MS-BASIC?
Awarded Jun 28 at 2:06
What was the second most common incompatibility in MS-DOS machines?
Awarded Jun 26 at 8:16
Do all Intel Celeron processors support “FCOMIP”?
Awarded Jun 25 at 6:11
Are BIOS ROMs interchangeable among different vendor's PCs?
Awarded Jun 24 at 8:47
Did many programs really store years as two characters (Y2K bug)?
Awarded Jun 20 at 16:50
Which is the minimum set of interrupts/functions I should implement in a replacement BIOS for a home made IBM PC class computer?
Awarded Jun 19 at 14:10
Why did raster displays require semiconductor memory
Awarded Jun 18 at 10:39
Why were computer customers called “Users”?
Awarded Jun 17 at 3:50
How did dot matrix printers do Landscape?
Awarded Jun 12 at 19:02
Why did many 9-pin printers use only 8 pins for graphics?
Awarded Jun 10 at 19:41
What is this socket for in 386 notebook motherboard
Awarded Jun 10 at 15:37
Typical dpi of dot matrix printers available in the 1980s
Awarded Jun 9 at 11:18
On the LR35902, what does the assembly 'LD (HL-),A' do?
Awarded Jun 8 at 11:18
What were the HW specifications for the actual PC speakers, before they were replaced by buzzers?
Awarded Jun 7 at 14:06
Decoding Logic and Memory Systems for 8-bit computer - 64K address space
Awarded Jun 2 at 15:37
What languages are better fit for generating efficient code for 8-bit CPU's than C?
Awarded May 30 at 18:34
How can I tell if an Apple II disk image is bootable?
Awarded May 30 at 7:15
History of non-American software/hardware/CS theory development, 1940s-1980s?
Awarded May 26 at 7:27
Any historical references to links between JOSS and BASIC?
Awarded May 26 at 2:42
Why does the 80486 take longer to execute simple instructions than complex ones?
Awarded May 22 at 8:18
Will disassembling an 8080 program as Z80 code work?
Awarded May 19 at 8:04
Why were optical drives not used as secondary storage instead of magnetic drives?
Awarded May 18 at 23:06
What are these weird long ISA slots on this 386 board? (not VLB)
Awarded May 15 at 14:57
Odd tokenizing in Integer BASIC
Awarded May 14 at 7:58
Was there any automated unit testing prior to 1972?
Awarded May 9 at 16:18
What additional hardware was required for BASIC on an Altair 8800?
Awarded May 7 at 0:57
How exactly did Windows become the OS of the home PC?
Awarded May 6 at 4:42
Why did the original design of COM on Windows rely on the registry?
Awarded May 5 at 7:48
What are some example uses of the Z80's BUSRQ/AK pins?
Awarded May 2 at 18:13
In the Intel 8080, where does the “Stack” start?
Awarded Apr 24 at 11:08
Inverting the carry flag on an M6800
Awarded Apr 21 at 18:35
What “unusual” syntax assembly languages are/were there?
Awarded Apr 19 at 13:41
Why does the .z80 emulator-snapshot format have separate fields for the 8-bit refresh register and bit 7 of R?
Awarded Apr 14 at 12:10
For fast scrolling DOS games, when was Mode13h preferred over Mode X?
Awarded Apr 13 at 20:40
Why did 8-bit computers choose BASIC dialects as “de facto” command-line interface, instead of contemporary Shell/Lisp dialects?
Awarded Apr 13 at 6:00
Why were most PC's and electronics beige back in the day?
Awarded Apr 7 at 13:30
How did old games from 8-bit era game consoles store music?
Awarded Apr 6 at 12:25
Why did early game consoles need the TV to be tuned to channel 3 or 4?
Awarded Apr 5 at 12:40
What does Shift-RETURN do on Commodore's 8-bit computers?
Awarded Apr 2 at 15:40
Is there any reason to chose ES, FS, or GS over the others in real mode?
Awarded Mar 25 at 2:45
Why was the return key symbol ⏎ drawn differently from the motion of a CR-LF?
Awarded Mar 19 at 17:30
Purpose of turbo switch on systems unable to slow to 4.77 MHz?
Awarded Mar 17 at 16:10
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