Commodore 64

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Commodore 64 topic overview

The analysis highlights History, Applications and Products as prominent areas in the source structure around Commodore 64.

Related topics: 331
Source areas: 7
Connected nodes: 338
Extracted relationships: 371
Concept neighborhoods: 72
Bridge connections: 338

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 107 topics

History · 65 topics

Hardware · 58 topics

Software · 44 topics

Clones and other reuse of the Commodore 64 name · 30 topics

C64 family · 23 topics

Emulators · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Connectivity: 2× CIA 6526 (joystick, GPIO/RS-232/keyboard) · Power (+5V DC & 9V AC) · ROM cartridge · Video/audio (RF/A/V) · Serial IEEE 488 bus (floppy disk/printer)
CPU: @ 1.023 MHz (NTSC version) · @ 0.985 MHz (PAL version)
Discontinued: April 1994; 32 years ago (1994-04)
Graphics: VIC-II (320×200, 16 colors, sprites, raster interrupt)
Introductory price: US$595 (equivalent to $1,990 in 2025)
Manufacturer: Commodore Business Machines (CBM)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Clones and other reuse of the Commodore 64 name

Emulators

Open source Open-source software
CCS64
IPhone app IPhone
Amiga emulation

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Commodore 64 connects Entity context

The extracted context around Commodore 64 shows recurring relationship patterns in the source. For example, Commodore 64 → America Online, AOL, Apple Macintosh, As, Bizarre, Blue Board, Bulletin Board Systems, C-Base, C-Net, Canadian, CMBBS, Color, Commodore, Compunet, CompuServe, Construction Kit, Control Video Corporation, CVC, December, DMBBS Another extracted example is Commodore 64 → Atari, C-One C64, C64, C64 Direct-to-TV, C64 Reloaded, C64C, C64DTV, Called, Commodore, DC, DC-to-DC, Designed, In, Individual Computers, Intellivision, It, Jeri Ellsworth, KERNAL, NTSC, PAL. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Networking software · 43

Commodore 64 → America Online, AOL, Apple Macintosh, As, Bizarre, Blue Board, Bulletin Board Systems, C-Base, C-Net, Canadian, CMBBS, Color, Commodore, Compunet, CompuServe, Construction Kit, Control Video Corporation, CVC, December, DMBBS

related to Clones · 34

Commodore 64 → Atari, C-One C64, C64, C64 Direct-to-TV, C64 Reloaded, C64C, C64DTV, Called, Commodore, DC, DC-to-DC, Designed, In, Individual Computers, Intellivision, It, Jeri Ellsworth, KERNAL, NTSC, PAL

related to 1988–1994 · 31

Commodore 64 → American, Apple II, Atari, By, C64, C64's, C64s, Commodore, Computer Chronicles, Epyx CEO Dave Morse, European, In, It's, Model, Nintendo, Nintendo Entertainment System's, North American, NTSC, One, PC

related to CPU and memory · 26

Commodore 64 → Assy, BASIC, Because, Bit, C64, Commodore, Commodore BASIC, DRAM, DRAMs, I/O, IC, If, It, KB, KERNAL, Later, MOS Technology, Most, OUT OF MEMORY IN, RAM

related to 2025–present · 25

Commodore 64 → As, C64, Can We Save The, Commodore, COMMODORE Brand, Commodore Corporation, Compute, FPGA, Gazette, Gideon Zweijtzer, Gideon's Logic, January, March, My Biggest Project Yet, November, October, On July, On June, Retro Recipes, RGB

related to Software · 25

Commodore 64 → Apple II, Atari, Because, British C64, C64, C64's, Commodore, Elektron SidStation, Even, Few, In, It, KiB, Master System, NES, Nintendo Entertainment System, North America, PAL, PCs, SID

related to External links · 23

Commodore 64 → Archived, Archived September, C64, C64-Wiki, Commodore, Commodore Scene/Software Database, Commodoremagazine, Csdb, Design Case History, Extensive, Fansite, Gaming Platforms, History, IEEE Spectrum, Lemon64, March, May, October, Retrieved January, The Commodore

related to Reception · 22

Commodore 64 → An, At, Atari, BASIC, BYTE, C64, C64 BASIC, C64's, Commodore, Commodore BASIC, Commodore's, Creative Computing, December, Despite, In July, It, Obviously, POKE, SID, The Apple II

related to Web.it Internet computer · 21

Commodore 64 → AMD, C64, C64 Web, C64x, Commodore, Commodore USA, Despite, Internet Computer, Internet-oriented, It, June, MB, MS-DOS, PC, PC Card, RAM, SC400 SoC, The C64, The C64x's, Web

related to Manufacturing cost · 12

Commodore 64 → At, Berkeley Softworks, Commodore, Dougherty, Imagic, In, Mattel, The, To, TTL, US, Vertical

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

commodore c64 64 computer used software basic video two also disk atari memory rom market released system hardware chip computers

Commodore 64 relationships Subject–Predicate–Object triples

TTTA extracted 371 structured relationships around Commodore 64. Examples in this analysis include Commodore 64 → Connectivity → 2× CIA 6526 (joystick, GPIO/RS-232/keyboard) and Commodore 64 → Connectivity → Power (+5V DC & 9V AC). The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Commodore 64	Connectivity	2× CIA 6526 (joystick, GPIO/RS-232/keyboard)	1.00	infobox
Commodore 64	Connectivity	Power (+5V DC & 9V AC)	1.00	infobox
Commodore 64	Connectivity	ROM cartridge	1.00	infobox
Commodore 64	Connectivity	Video/audio (RF/A/V)	1.00	infobox
Commodore 64	Connectivity	Serial IEEE 488 bus (floppy disk/printer)	1.00	infobox
Commodore 64	Connectivity	Digital tape	1.00	infobox
Commodore 64	CPU	@ 1.023 MHz (NTSC version)	1.00	infobox
Commodore 64	CPU	@ 0.985 MHz (PAL version)	1.00	infobox
Commodore 64	Discontinued	April 1994; 32 years ago (1994-04)	1.00	infobox
Commodore 64	Graphics	VIC-II (320×200, 16 colors, sprites, raster interrupt)	1.00	infobox
Commodore 64	Introductory price	US$595 (equivalent to $1,990 in 2025)	1.00	infobox
Commodore 64	Manufacturer	Commodore Business Machines (CBM)	1.00	infobox
Commodore 64	Memory	64 KB RAM + 20 KB ROM	1.00	infobox
Commodore 64	Operating system	Commodore KERNAL/BASIC 2.0	1.00	infobox
Commodore 64	Operating system	GEOS (optionally)	1.00	infobox
Commodore 64	Predecessor	VIC-20	1.00	infobox
Commodore 64	Predecessor	MAX Machine	1.00	infobox
Commodore 64	Released	August 1982; 44 years ago (1982-08)	1.00	infobox
Commodore 64	Sound	SID 6581/8580 (3× osc, 4× wave, filter, ADSR, ring)	1.00	infobox
Commodore 64	Successor	Commodore 128	1.00	infobox
Commodore 64	Successor	Amiga	1.00	infobox
Commodore 64	Type	Home computer	1.00	infobox
Commodore 64	Units sold	12.5 – 17 million	1.00	infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Commodore 64 bring nearby vocabulary together. In this analysis, examples include Released, Computer and Software. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Commodore 64
- Released
- Computer
- Software
- Basic
- Computers
- Original
- Used
- Market
- Video
- Games
- Motherboard
- First
commodore 64
- Released
- Computer
- Software
- Basic
- Computers
- Original
- Used
- Market
- Video
- Games
- Motherboard
- First
home computer
- Market
- First
- Price
- Game
- Video
- Apple
- Atari
- Games
- Chips
- Software
- Sound
- Computers
commodore international
- Released
- Computer
- Software
- Basic
- Computers
- Original
- Used
- Market
- Video
- Games
- Motherboard
- First
apple ii
- Atari
- Market
- Computers
- System
- Computer
- C64
- Graphics
- Us
- First
- Software
- Games
- Screen
atari 8-bit computers
- Game
- Market
- Graphics
- Games
- Sound
- Computers
- Computer
- Two
- C64
- Us
- Used
- Rom
software
- Games
- Disk
- System
- Used
- Graphics
- Basic
- Sound
- Hardware
- Game
- Us
- Memory
- Released
video games
- Game
- Software
- Vic-ii
- Market
- Released
- Sound
- Motherboard
- Early
- C64
- Hardware
- System
- Computer

Connections between topic areas Semantic bridges

For Commodore 64, one of the stronger structural bridges in this analysis connects Commodore 64 with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Commodore 64 — Overview · splits 231 ⟂ 108

Commodore 64 — History · splits 273 ⟂ 66

Commodore 64 — Hardware · splits 280 ⟂ 59

Commodore 64 — Software · splits 294 ⟂ 45

Commodore 64 — Clones and other reuse of the Commodore 64 name · splits 308 ⟂ 31

Commodore 64 — C64 family · splits 315 ⟂ 24

Commodore 64 — Emulators · splits 334 ⟂ 5

Map overview Semantic statistics

Commodore 64

Nodes339

Edges338

Triples371

Avg. degree1.99

Density0.0059

Components1

Source & methodology

TTTA analyzes the structure around Commodore 64 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Applications & Products, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Commodore 64 · EN edition · Analysis: TopicsToTalkAbout