Retrocomputing Beta

Help Center > Badges > Scholar

 Scholar
Ask a question and accept an answer.
Awarded 523 times.
0xF1 opcode-prefix on i80286
Awarded yesterday
What was the intention with the Commodore 128?
Awarded 2 days ago
Where can I find the Applesoft line-drawing algorithm?
Awarded Aug 13 at 22:40
Unix utility “smiley” to decode emoticons: Where to get it?
Awarded Aug 12 at 20:25
How can I extract game data from Nitemare 3D files?
Awarded Aug 11 at 17:25
Why was CPU32 core created, and how is it different from 680x0 CPU cores?
Awarded Aug 10 at 7:55
Atari ST DRAM timing puzzle
Awarded Aug 9 at 13:55
3 beeps on a 486 computer with an American Megatrends bios?
Awarded Aug 5 at 21:05
IBM mainframe classic executable file formats
Awarded Aug 2 at 19:25
Is there any tool to convert .DSK to mp3 file?
Awarded Aug 2 at 7:35
Interrupt pin type on the 6502
Awarded Jul 29 at 8:15
Will any serial mouse connect to Classic Macs?
Awarded Jul 27 at 21:50
Was there any VIC-20 expansion to bring memory beyond the default maximum of 40 KiB?
Awarded Jul 27 at 19:00
Connecting Computer to GameCube Controller Port
Awarded Jul 24 at 12:25
Non-obvious compatibility of M1297 monitor
Awarded Jul 24 at 7:20
Does switching on an old games console without a cartridge damage it?
Awarded Jul 24 at 6:35
Possible cause for C128 A/V output containing faintly coloured columns and failing shortly after?
Awarded Jul 21 at 19:40
Behavior of the zero and negative/sign flags on classic instruction sets
Awarded Jul 14 at 18:20
How did the Game Boy Advance stretch Game Boy games to widescreen?
Awarded Jul 13 at 13:15
Understanding C64 Character Memory
Awarded Jul 11 at 3:15
Why weren't bootable game disks ever common on the IBM PC?
Awarded Jul 10 at 11:45
Color Computer Expansion port “listening” bus
Awarded Jul 6 at 23:10
How do I use my adapted PS2 keyboard & mouse on a windows 10 computer?
Awarded Jul 6 at 12:25
Why has Novell never written its own boot loader?
Awarded Jul 4 at 4:40
On DOS computers, what would the PARK command do?
Awarded Jul 2 at 13:30
What was the ASCII end of medium (EM) character intended to be used for?
Awarded Jun 30 at 17:25
What was the point of separating stdout and stderr?
Awarded Jun 28 at 21:15
Why wasn't EBCDIC designed with contiguous alphanumeric characters?
Awarded Jun 28 at 16:50
Old game, possibly called “Demons”
Awarded Jun 28 at 14:40
AT system without -5v
Awarded Jun 28 at 6:50
Why did the Apple IIe make a hideous noise if you inserted the disk upside down?
Awarded Jun 27 at 12:40
Why wasn't ASCII designed with a contiguous alphanumeric character order?
Awarded Jun 26 at 3:15
Can Access Fault Exceptions of the MC68040 caused by internal access faults occur in normal situations?
Awarded Jun 24 at 17:05
How well known and how commonly used was Huffman coding in 1979?
Awarded Jun 21 at 23:55
What was the format for .OBJ files produced by M80.COM for CP/M?
Awarded Jun 21 at 1:00
Why the DOS extender and DPMI were unavailable to DOS programs on 286 standard mode of Windows 3.0
Awarded Jun 19 at 3:40
What is the oldest commercial MS-DOS program that can run on modern versions of Windows without third-party software?
Awarded Jun 18 at 2:15
Getting Music Functioning for Raptor: Call of the Shadows (1994)
Awarded Jun 14 at 9:20
What did the 8086 (and 8088) do upon encountering an illegal instruction?
Awarded Jun 13 at 17:40
How to teach the Z80 to count milliseconds and microseconds like Arduino?
Awarded Jun 12 at 17:30
Pac-Man-like: Playing a Excavator bucket or mining drill on a cable
Awarded Jun 11 at 7:10
Why VGA framebuffer was limited to 64kB window?
Awarded Jun 10 at 13:10
Desk computer with embedded CRT, 8" floppy
Awarded Jun 7 at 13:35
What are some notable historic keyboard designs with unusual colours? [closed]
Awarded Jun 7 at 8:15
Why was the Sega Genesis marketed as a 16-bit console?
Awarded Jun 5 at 17:00
How did old MS-DOS games utilize various graphic cards?
Awarded Jun 4 at 3:00
Did the first version of Linux developed by Linus Torvalds have a GUI? [closed]
Awarded Jun 1 at 19:45
Where are the pullups for the Commodore 64 keyboard matrix lines?
Awarded May 30 at 8:25
Atari 1040ST AV video output - blurred and jagged vertical edges
Awarded May 29 at 23:40
Looking for an old image of designing a CPU with plan laid out / being edited on a literal floor
Awarded May 29 at 14:10
Strange math syntax in old basic listing
Awarded May 28 at 18:40
What is the purpose of the yellow wired panels on the IBM 360 Model 20?
Awarded May 20 at 14:00
Why do the i8080 I/O instructions take a byte-sized operand to determine the port?
Awarded May 19 at 20:55
How to determine PCB revision of a Sinclair ZX-81
Awarded May 17 at 8:00
Fate of mystery Motorola RMS graphics chipset (68486 + 68487)
Awarded May 16 at 23:40
How was the blinking terminal cursor invented?
Awarded May 16 at 5:25
XT IDE causes BASIC not to load properly on IBM 5155
Awarded May 15 at 21:15
How do I allocate more memory to an app on Sheepshaver running Mac OS 9?
Awarded May 13 at 14:25
Where to find QICStream software for reading old QIC-150 tape?
Awarded May 6 at 23:50
Why do we use caret (^) as the symbol for ctrl/control?
Awarded May 1 at 23:45
1 2 3 4 5 … 9