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Retrocomputing

Excavator

 Excavator
Edit first post that was inactive for 6 months.
Awarded 183 times.
Why does CP/M use CALL 0005h for its syscalls?
Awarded Jun 5 at 6:06
How to write directly to video memory using "debug.exe" in MS-DOS?
Awarded Jun 4 at 4:33
Did personal computers ever support 8" floppies?
Awarded May 17 at 4:56
How to use / start Windows 3.11 with FreeDOS
Awarded May 3 at 4:11
What was the first programming book
Awarded Mar 31 at 4:55
Why are the homing bumps on D and K on Apple keyboards?
Awarded Feb 29 at 4:18
What was the first interactive OS to run each command in a new process?
Awarded Jan 23 at 14:32
Did any computer use a 7-bit byte?
Awarded Dec 18, 2023 at 4:34
Why did base64 win against uuencode?
Awarded Nov 22, 2023 at 4:42
Was AGP only ever used for graphics cards?
Awarded Nov 19, 2023 at 4:48
Why do Java classfiles (and JNI) use a "Frankenstein's monster" encoding crossing UTF-8 and UTF-16?
Awarded Oct 17, 2023 at 4:30
How was early randomness generated?
Awarded Aug 25, 2023 at 4:42
Why are the homing bumps on D and K on Apple keyboards?
Awarded Jul 21, 2023 at 6:36
Is the Coleco computer from The Simpsons based on a real computer?
Awarded Jun 30, 2023 at 4:34
Why does the kill-screen glitch occur in Pac-man?
Awarded Jun 29, 2023 at 4:11
Windows 2000 Inaccessible Boot Device when running setup from SATA Hard Drive
Awarded May 17, 2023 at 4:56
What languages are better fit for generating efficient code for 8-bit CPU's than C?
Awarded May 8, 2023 at 5:21
TI-83 Series Graphing Calculator Emulator
Awarded May 5, 2023 at 4:33
1980s Commodore 64 game about flying toward tower
Awarded Apr 20, 2023 at 5:48
How do I navigate the boot menu in later model Spectrum emulators?
Awarded Mar 23, 2023 at 7:32
Did any laptop computers have a built-in 5¼-inch floppy drive?
Awarded Mar 23, 2023 at 7:32
Different escape codes for the same keyboard keys -- where did they come from?
Awarded Jan 11, 2023 at 5:12
C64 BASIC: How to suppress the '?' sign when using the INPUT command?
Awarded Jan 2, 2023 at 4:26
In what year was my old, long-lost IBM PC made and which form factor/model was it?
Awarded Dec 31, 2022 at 5:10
What causes the glitchy sound when a GBA cartridge is removed?
Awarded Dec 18, 2022 at 6:05
Why does PAUSE key have a long make code and no break code?
Awarded Nov 27, 2022 at 4:16
How did graphics processing for old 8/16bit consoles work & what are the differences between an FPU/maths co processor & a graphics card? [closed]
Awarded Nov 23, 2022 at 4:17
Was The Telemark Assembler available for the Unix or Mac Environments?
Awarded Oct 31, 2022 at 7:03
Did any computer actually use the KR580VM1?
Awarded Oct 12, 2022 at 4:06
Why did CPU designers in the 70s prioritize reducing pin count?
Awarded Sep 13, 2022 at 4:40
How were the 70s and 80s coin-op machines programmed?
Awarded Aug 31, 2022 at 4:10
What early computers were only able to print numbers?
Awarded Aug 25, 2022 at 5:35
In what language(s) is the return value set by assigning to the function’s name?
Awarded Aug 9, 2022 at 6:16
Cleaning 5¼" floppy drives
Awarded Jul 7, 2022 at 4:10
Why didn't the 8086 use linear addressing?
Awarded Jun 25, 2022 at 5:45
Are PowerPC processors still manufactured and used in desktop computers?
Awarded Jun 5, 2022 at 5:32
Why was the Sega Genesis marketed as a 16-bit console?
Awarded Jun 4, 2022 at 4:25
It's now safe to turn off your computer
Awarded May 11, 2022 at 4:27
How does a HD floppy drive react to an ED disk?
Awarded May 5, 2022 at 4:08
Why does UNIX ed not have a prompt by default
Awarded Apr 20, 2022 at 5:25
Can DOS 6.22 recognize more than 504MB when the BIOS only supports CHS?
Awarded Apr 6, 2022 at 5:41
How did Drive Overlay programs break BIOS disk barriers on older PCs?
Awarded Apr 4, 2022 at 5:28
Why did C have the return type before function names?
Awarded Apr 2, 2022 at 5:05
Did computer games for Commodore 64 really take "25 minutes" to load "if everything went alright"?
Awarded Apr 1, 2022 at 4:10
Why are the out-of-bounds areas of Doom distorted on MS-DOS?
Awarded Mar 30, 2022 at 4:09
Does an Apple //e actually have 64KB of RAM?
Awarded Mar 22, 2022 at 4:16
Was there a retro computer susceptible of being damaged only by issuing instructions at it?
Awarded Mar 18, 2022 at 6:16
Which computers used the Intel 82786 graphics chips, and what sort of commercial success did that chip attain?
Awarded Mar 17, 2022 at 4:04
Comparing raw performance of the Z80 and the 6502
Awarded Mar 15, 2022 at 4:16
CDC 6600 system console
Awarded Mar 14, 2022 at 4:18
Are there runnable Multics systems available?
Awarded Mar 12, 2022 at 4:56
How did Apple II BASIC programs protect against listing?
Awarded Mar 8, 2022 at 4:40
Are .COM executable binaries real mode or protected mode?
Awarded Feb 27, 2022 at 4:51
Were the dungeons in Legend of Zelda designed to fit together?
Awarded Jan 24, 2022 at 4:27
What is the difference between the "Return" and "Enter" keys in the VT100 terminal?
Awarded Jan 14, 2022 at 4:06
Motorola 6809 two stacks design
Awarded Jan 13, 2022 at 6:45
Where was the Willowsoft Overture File System (OFS1) used?
Awarded Jan 8, 2022 at 5:10
Did any compiler fully use Intel x87 80-bit floating point?
Awarded Dec 16, 2021 at 4:06
Why did the Z80 with 4-bit ALU out-perform the fully 8-bit Intel 8080?
Awarded Dec 4, 2021 at 4:35
How would toggling a bit in the POWCNT1 register cause hardware damage on the Nintendo DS?
Awarded Nov 23, 2021 at 5:18
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