Stack Exchange Network

Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
  1. 0
  2. +0
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Retrocomputing
      help chat
    • Retrocomputing Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Retrocomputing Beta
  1. Home
    1. Questions
    2. Tags
    3. Users
    4. Unanswered
    5. Jobs
Profile Activity
Meta user
Network profile
Cactus

Reputation

2,100
  • 2.1k
  • 1.3k
  • 480
  • 2018
  • 2019
  • 2020
  • 2021

Top tag

commodore-64

Next privilege

3,500 Rep.
Protect questions

Badges

11
32

Newest

 Nice Answer

Next badge

39/80
Deputy

Impact

~24k
people reached
13 posts edited
39 helpful flags
1,033 votes cast
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

17 Bookmarks

Votes Activity Newest Views Added
45
votes
4
answers
33k
views

Commodore 64 to modern TV

commodore-64 video
Jul 11 '18 at 14:03 Uwe Keim 129
44
votes
2
answers
10k
views

How did the Z80 instruction set differ from the 8080?

z80 8080 instruction-set
Jul 11 '17 at 23:15 George Phillips 6,130
28
votes
1
answer
2k
views

How does the command.com shell work with MS-DOS?

ms-dos shell
Apr 18 '19 at 9:51 Stephen Kitt 76.1k
28
votes
4
answers
3k
views

How did Elite (BBC Micro) compress resources?

software bbc-micro
Jan 8 '20 at 17:23 David Thomas 105
27
votes
10
answers
15k
views

How to get started writing C for the IBM PC in 1980-81

ibm-pc compilers c
Jul 11 '17 at 16:29 wizzwizz4♦ 16.1k
22
votes
2
answers
2k
views

Which is the minimum set of interrupts/functions I should implement in a replacement BIOS for a home made IBM PC class computer?

ibm-pc bios
Jun 19 at 12:00 Raffzahn 123k
20
votes
3
answers
3k
views

Bit one of the Intel 8080's Flags register

8080
Sep 17 '19 at 10:48 Community♦ 1
17
votes
1
answer
2k
views

Which undocumented 8085 instructions is Steven Morse referring to in “In The Beginning”?

intel instruction-set 8085
Oct 16 '19 at 8:51 TonyM 1,266
16
votes
2
answers
5k
views

How and why did the ZX Spectrum use so many voltages?

zx-spectrum power
Feb 5 '17 at 12:53 tofro 22.3k
15
votes
2
answers
659
views

What is known about the internal workings of the Z80?

z80 reverse-engineering
Jun 19 at 20:47 Raffzahn 123k
15
votes
2
answers
1k
views

How are 6502 and 65C02 JMP(abs) processed internally

6502
Oct 16 '18 at 21:49 Polluks 236
14
votes
4
answers
3k
views

Why do the i8080 I/O instructions take a byte-sized operand to determine the port?

8080
Jun 24 '19 at 12:13 Raffzahn 123k
12
votes
3
answers
2k
views

What's a good way to implement this “fade” effect on C64

commodore-64 graphics programming
Sep 12 '18 at 8:09 OmarL 28.1k
12
votes
1
answer
3k
views

What is this unused memory range in the Game Boy's memory map?

nintendo memory-layout game-boy
Jul 27 '16 at 10:24 John Burger 1,219
11
votes
1
answer
1k
views

Understanding C64 Character Memory

commodore-64 text
Jul 11 '19 at 2:50 Community♦ 1
9
votes
4
answers
936
views

Was there any particular reason the 6502's LDX#imm and LDY#imm aren't opcodes A8 and AA?

history 6502
Feb 21 '20 at 16:15 Community♦ 1
5
votes
3
answers
630
views

Can someone explain this algorithm used to compute the auxiliary carry flag?

emulation 8080
Jun 6 '19 at 14:13 lvd 7,262
Retrocomputing
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.1.26.38414