Spiro made a page about using assembly on the C64 computer. On this page you can find info about the assembly language, references, cross-platform tools, cross-development 6502 assemblers, hardware, C64 tools, webtools, tutorials, books and software repositories.

You can now participate in the Vision BASIC Game Programming Contest 2023. The contest period runs from January 8, 2023 to August 31, 2023.

Synthia 2 - Revenge of the ID is a new game for the Commodore C64 computer. The game is developed by Eleanor Burns (code & pixels) and Jason (music). In the game you are Synthia, a cybernetic human, who has entered an underground mine, and must free the survivors who are held captive.

Sprite Studio 64 is a sprite editor program for the Commodore C64 computer developed by Tobiasz Stamborski. It can edit up to 64 sprites and save them to PRG file on diskette.

C64tass is a multi-pass compiler with support for 65816, CPU64, DTV and illegal opcode's, optimizations, and a lot of features. The syntax is the same as the well-known Turbo Assembler on C64. C64tass can be used on a Linux, Windows or Mac OSX computer.

You can now watch a new video from the 8-Bit Resurgence YouTube channel. In this episode a look at replacement keycaps for the Commodore C64 computer.

Ad Astra is a new game for the Commodore C64 computer. The game is developed by Orlof and the music is from Terry Flynn. In the game you are a star ranger and must defend the asteroid mining operation. You must build a singularity diffuser with a neuman binder, babbage siphon, laplace reactor and a fermi entangler.

Reset is an pdf magazine for the Commodore C64 user. In this edition: Oliver Frey, Soulless II, Briley Witch Chronicles, Lykia: The Lost Island, Puzzle Bobble, Polar Bear in Space, Eye of the Beholder, Craptastic 2022, DDI Telengard, DDI The Valley, Stefan Madder, Blow the Cartridge comic - Cameron Davis, Reset Fiction, Fredrik Ramsberg, C64 RPGs, Christmas 1987, Nick Sherman - Arlasoft, Yeti, The Sword of Fargoal, Leonard Roach, Mix-i-Disk - Richard Bayliss, Synthia 2 - Revenge of the ID and Del Seymour.

C=razy pong is a new game for the Commodore C64 computer, developed by Back2the8bit. The game is based on the classic Pong game and was an entry in the C= (Commodore) Logo Code Jam competition.

Other entries in the C= Logo Code Jam.

Quasimodo's Christmas Caper is a new game for the Commodore C64 computer. The game is developed by rwx designs and is spin-off game of the game Hunchback Redux. In the game you must clear all the snowballs and collect the precious stars and collectables, but be aware of the elves.

Celso Martinho wrote a very comprehensive blog about building a new Commodore C64 computer with a new and old components. He uses components such as the SixtyClone replica PCB, the PLA20V8 and the ARMSID.

You can now watch a new episode of the FairLight TV YouTube channel. In this episode: Programming the VIC chip in the Commodore C64 computer.

FREEZE64 is a fanzine for Commodore 64 gamers and hackers. In this edition: Warhawk, Apex Arcade, ZZAP!64, Secret Squirrel Investigates, Michael Ware, Knights & Slimes and Stephen Robertson.

Mark Sawicki has made a new video for his YouTube channel. In this video Mark shows how to replace the RF modulator in a Commodore C64/128 computer.

SEUCK School is an web page for people who want to make games with the help of SEUCK. You can learn tips & tricks, the basics of assembly programming many coding examples (Codebase) and tools to make a better game. New in this version: A score-panel for the games.

The demo portal C64.ch has added new files for the Commodore C64 computer. If you have any demos that are not on the website, please contact the website. Don't miss the new comments, video links, new additional info's and the new hidden parts. Enjoy all the 9000 entries now.

No More Secrets is a documents that describes the so called 'illegal' op-codes for the NMOS 6510 microprocessor. The document is maintained by Groepaz and gives you information on op-codes such as: RLA, LAX, ANC, ARR, TAS and many more.

ScrapWriter is a note-writer program for the Commodore C64 computer. The program is developed by Scrap and uses 64 characters per line. You can fill 26 screens, with 1600 characters on each screen.

The Mystery of Markham Manor is a new text-adventure game for the Commodore C64 computer. The original game was developed in 1988 for the Spectrum by Taskmaster Software. There is a text only and a text & picture version available.

Hot Style is a polish diskette magazine for the Commodore C64 user. In this edition: Moonshine Dragons 2022, Silly Venture 2022 Summer Edition, Silly Venture 2022 Winter Edition, Steffan Meeting #1, Teddy Beer C=64 Party, Xenium 2021 and Zeitanomalie 6 Report.

SpriteSnake is a new game for the Commodore C64 computer. This snake game uses only one sprite and is developed by Oziphantom.

There is an update available of the High Voltage SID Collection. There are now 56,665 SIDs in the collection. In this update 890 new SIDs, 26 better rips, 217 SID credit fixes, 25 SID model/clock info's, 4 tunes identified and 31 tunes moved. You can download the update from the HVSC web page.

You can watch a new video from the Reviving Retro YouTube channel. In this episode, the repair of a Commodore SX64 computer with a garbled screen, and making a backup of the ROMs.

Wilfred Bos released an update of SID Known. This version is compatible with the latest HVSC. SID Known is a tool which you can use to identify SID tunes from SID and PRG files.

Inbread is a new game for the Commodore C64 computer. The game is developed by Karl Hörnell (code) and Hans Axelsson-Svala (music). In the game, you have to make sandwiches. You can make the sandwiches on the conveyor belts and on the plates, but you have to use the correct ingredients.

Сruiser-X 79 is a new game for the Commodore С64 computer. The game is a Shoot 'Em Up (Vertical Scrolling), developed by Richard Bayliss (code & music) and Hugues Poisseroux & Saul Cross (pixels). In the game you must pick-up firepower, charge up a shield or carry one of three smart bombs and escape the alien base.

With the InDev program (Input Device Tester C64/C128) it is possible to test joysticks (1-3 buttons), analogue joysticks, 1351 mouse, paddles and the Retropad. The program is developed by pastbytes.

The GTW64 webpage has had an update. New: Lordsfire, Adam Caveman, Billy Boulder, Mumbles - Super Spy, B-1 Bomber, Spukschloss, Aerial Arithmetic, Asteroids, Campaigns of Napoleon, Commando V1, Garden Wars, Spider Snare, Syntax tape, The Battle of the Bulge and Zany Golf. Update: 4 Games, 48 Hours, 64 Tape Computing (14), Abandon Ship S.O.S., Arcadian, Cosmax, Diskovery titles, Double Dragon V1, Dungeons Of Death, Eye Of The Beholder, Flyspy, Fuzzy Wuzzy, Gamma Strike, Gem-X 2, Greenhouse (MAX edition), Heartbreaker, Lost Robot 2, M45, Magic, Nuclear Nick, Outrun Europe, Proteus, Race Drivin', Scooter, Stratos, Sturmtruppen, Sword Of The Samurai, Terminus 2, The Magic Roundabout, Undead, Xane, Xermaid and Xoanon.

Snake vs Bomb is a new game for the Commodore C64 computer. The game is developed by Richard Bayliss (code & music) and Hugues Poisseroux (pixels). In the game you must guide your snake safely through 8 levels, where each level gets faster as you progress. You must eat as many fruit as you can and avoid the bombs.

JSIDPlay is a Commodore C64, cycle-exact, emulator optimized for SID sound reproduction. It is also a SID player for music collections like HVSC and CGSC. Changes in this version: Improvements for configuration, RSID, sub-tunes, filter names, ConsolePlayer, UTF8 filenames, video driver, SID tune information list and support for USB devices in modern browsers (ExSID, ExSID+, HardSID4U, HardSID Uno or HardSID UPlay).

JSIDDevice V4.7

Czołgi is a new game for the Commodore C64 computer. The game was released at the Christmas Live with Demoscene #3 meeting in Poland. The game is developed by DJ Gruby (code), Hairdog (music & pixels), CatYa, Grasshopper and Steffan (test).

Pik n Mix is a new game for the Commodore C64 computer. In the game must stun your enemies with paint balls and then eat them. The game is developed by Shallan50k (code), Phaze101 & Stepz (music) and Furroy, Stoker64, Stepz, Shallan50k & Wavlok (pixels) and Eric Akeson & Stepz (test).

Scout the Stray is a new game for the Commodore C64 computer. In the game you must help Scout the dog to go through different mazes munching on the bones scattered in them and avoiding being captured by the dog catchers who are chasing him. The game is developed by LC-Games.

JC64dis (next generation C64 disassembler) is an iterative disassembler for MUS, SID and PRG files of the Commodore 64. The program is available as jar (java) and as exe for Windows.

You can now listen to a new episode of the Chip SID show with Max Hall. An hour long classic and new SID music.

David Horrocks released a new version of his Hoxs64 emulator. The latest changes are: Improvements for the joystick configuration.

Ben from Nordischsound started a Kickstarter campaign to make his Nordischsound 8-bit chiptune covers available on streaming services such as Spotify.

Kye is a new game for the Commodore C64 computer. In the game you must collect all the diamonds to complete the levels. The game is developed by Patai Gergely and is based on the original game from Colin Garbutt (1992).

Saul Cross released his new album GEO. On this album: Gypsum, Silica, Opal, Magnetite, Pyrite, Amethyst, Tourmaline, Neodymium, Quartz and Marble.

You can now listen to a new episode of the Zapped to the Past podcast. In this episode: Stealth Mission, Blood Valley, Impact, Troll, Power at Sea, Rimrunner, TerraMex and Herobotix.

Retrohax has written a blog about modifying a Commodore C64 computer. The modifications are: A BeamRacer, c0pperdragon, SD2IEC, Ultimate1541 II+, Switchless ROM, SIDFX and a C= Key.

Muddy Racers is a game for the Commodore C64 computer. The features of the game are: 18 different tracks, 3 different stages, 1-4 players, PAL & NTSC, cartridge, box, manual, miniature racing car and collector's cards with the 4 opponent drivers. The game is developed by: Monte Boyd, Kamil Wolnikowski, Uwe Anfang, MonstersGoBoom, Louie Dimovski, Milo Mundt and Tim Jakob Chen-Voos.

Tritopia is a new game for the Commodore C64 computer. In the game you must find your friends and try to find your way home. The game is developed by Logiker, Wil, Ipok, Neyviv, ComSha, Jowin and Panther.

The CGSC (Compute's Gazette Sid Collection) has had an update. The COMPUTE!'s Sidplayer is a music system, created by Craig Chamberlain and Harry Bratt, for the Commodore 64. The aim of the Compute's Gazette Sid Collection is to preserve as many of those Sidplayer music files in one location as possible. The current collection contains 16040 MUS, 4354 STR and 5447 WDS files.

The demo portal C64.ch has added new files for the Commodore C64 computer. If you have any demos that are not on the website, please contact the website. Don't miss the new comments, video links, new additional info's and the new hidden parts. Enjoy All the Demos from the Transmission 2022 now there...

Soko64 is a new game for the Commodore C64 computer, developed by Emanuele Feronato. The game is based on the puzzle game Sokoban from Hiroyuki Imabayashi. The game has 64 levels, made by David Skinner, and is programmed in ugBasic.

You can watch a new video from the Retro Tech Insanity YouTube channel. In this episode an attempt to use a 6502 processor in a Commodore C64 computer.

Santa's Workout 2 is a new game for the Commodore C64 computer, devekloped by Vector5 Games. In the game you must help Santa to create a path to walk through the maze and find a key that opens the exit. You can push the blocks, but beware of the ice.

David W. Bouley released a new version of his Quick Notes program for the Commodore C64 and C128 computers. This version has now support for loading and saving on the Datassette.

Duck Hunt is a new game for the Commodore C64 computer. The game based on the NES classic and is developed by Statler (code & pixels), Jack-Paw-Judi (music) and Nyke (pixels).