Included tags: Commodore VIC-20 × vic-20 ×
Excluded tags: None

VIC-20 clock problem

VCFed about 5 months ago

I have a VIC-20 that has bad sound. the 36874 and 36875 registers dont play sound at all and 36876 is not playing the correct frequencies. if you play every tone from 128 to 255 you notice that the scale starts over a few times. i have checked the clock i …

WANTED: KETEK Computer Commander for Breadbin Commodore Systems

VCFed about 5 months ago

I am in the market for a KETEK Computer Commander for the breadbin 64's simply because my most commonly used systems are my breadbin 64 and VIC-20. They made models for the 64C and 128 (biggest difference was the lower spacing for the system on the 64C an …

Commodore 16, 64, 128, VIC-20, PET • C64 Gridpx issue - please disregard

MISTerFPGA about 5 months ago

Please disregard this post. I thought that MiSTer was having an issue with Gridpix, but I just tried to run it in Vice and it had the exact same problem. Apparently, the d64 file itself has gotten wonky and it's not a core issue at all. …
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Commodore 16, 64, 128, VIC-20, PET • Automatically Running a Program from Floppy at Boot

MISTerFPGA about 5 months ago

As far as I have been able to find, there's no simple setting to make the C64 core load and run a program from a floppy image at boot.But the you can use a MGL file to mount a floppy disk and then inject a PRG file.And you can have a simple program that p …

Development for MiSTer • Snac DB9 compatibility for Amiga and 8 bit cores (FR)

MISTerFPGA about 5 months ago

Hello everybody,i've bought a Snac Db9 adapter for using on Mister cores original joysticks and paddles but while it's perfect on Atari 7800/2600 or SMS/MD core, it's not usable on Amiga (Minimig) or many 8 bit cores (C= ones, Spectrum, MSX, Amstrad at le …
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Jeff Minter's udderly amazing The Llamasoft Story coming 2024

Portable Gaming Roundup about 5 months ago

Jeff Minter is one of gaming's forces of nature and his trippy experiences, let's not be rude and call them mere games, have sound-tracked and lit-up many of our digital lives. That story will be told in full on "modern systems" soon with a release in …
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FRGR #15: The Complete Works of Simo Ojaniemi (Amersoft, 1984)

Finnish Retro Game Comparison Blog about 6 months ago

For this year's Finnish Independence Day celebratory blog post, I decided to take a closer look at all four games by Simo Ojaniemi, who is one of the pioneers in Finnish game developing. He started out developing games on his brother Juha's Commodo …

Commodore Discussion • Commodore Free issue 97 - 2023

Commodore.ca about 6 months ago

A big Christmas surprise! Commodore Free magazine is back with issue 97! The last issue before the current one was published back in 2017. In the new issue, there is a tribute to the late programmer, Jason Kelk; VIC-20 news, C64 news, Amiga news, PE …

Commodore Free issue 97 - 2023

VCFed about 6 months ago

A big Christmas surprise! Commodore Free magazine is back with issue 97! The last issue before the current one was published back in 2017. In the new issue, there is a tribute to the late programmer, Jason Kelk; VIC-20 news, C64 news, Amiga news, PE …

Commodore 16, 64, 128, VIC-20, PET • OT: C64, reset and irq implementation question

MISTerFPGA about 6 months ago

Hello,maybe this is a bit off topic for MiSTer, but maybe some experts on the C64 FPGA implementation may help me by finding an answer which is/was also of interest by the FPGA implementation of the great C64 core.I am currently working on an implementati …
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Help & Support • Older version of Tapuino project

Lemon64 about 6 months ago

I'm looking for a PCB, BOM, and build instructions in order to build a Tapuino that doesn't have SMD components on the Tapuino board. Of the information I have found, it calls for 4 buttons to control the user input. But I can't find any finished ones tha …
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Commodore 16, 64, 128, VIC-20, PET • C64 problem with The Space is Broken demo

MISTerFPGA about 6 months ago

I think I found an incompatibility issue with the C64 core in the Space is Broken - great demo by FAIRLIGHT group https://csdb.dk/release/?id... https://www.youtube.com/wat... some scenes, artifacts appear that are not visible on real …
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New Releases • New (Old) Release - Tower of Evil by Creative Sparks released by Excess

Lemon64 about 6 months ago

https://www.indieretronews... ... .html#morePer Indie Retro News:nother Commodore 64 port to grace our home computer screens and mentioned by Excess, is the Commodore 16, Plus/4, ZX Spectrum and VIC 20 game of Tower of Evil. A top down action ga …
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New Releases • Free Release - Tristam Island by Hugo Labrannded just Updated Minimum Price to $0.00

Lemon64 about 6 months ago

https://hlabrande.itch.io/... Author:After crashing your plane at sea, you end up drifting to a small island, with not much to survive. You explore, and find out the island was inhabited, years ago. But why did the people leave? And why is th …
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Other 8-bit Commodore computers • [FOR SALE] VIC 20 Carts

Lemon64 about 6 months ago

I have for sale some VIC 20 carts. Some of them are boxed and still sealed - check photosI am not setting prices. PM me with offers if you find something interesting. These are doublets from my collection so we surely find a price that satisfy both sides. …
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Supermarket • [FOR SALE] 2x VIC20 & C64 ALDI

Lemon64 about 6 months ago

FS:1.VIC 20 - Golden Label with regular keys 2.VIC 20 - Golden Label with PET keys 3.C64 ALDI - breadbin with white keys - these were sold in German ALDI storesCleaned & working condition.I am open for offersStatistics: Posted by Daloway — Sat Nov 1 …
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Other 8-bit Commodore computers • AdvSkelVic65: adding save game support cost too much code!

Lemon64 about 6 months ago

Hi! I've optimized my AdvSkelVic65 code heavily and got the multi-part binary Vic20 version's main executable down to 1.80k. Just yesterday, I added save game support, and the size reached 2.47k. A little assembler and bypassing strlen() by hard co …

introduce yourself • Hello from New Jersey

Stardot about 6 months ago

G'Day all!I'm brushing the dust off of my (well, my family's) BBC B and looking to re-connect my Microvitec Monitor and my 3" floppy drive – no, that's not a typo, my 3" floppy drive which I got from that computer place in Chapel Allerton in the 80's.It …
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General • Commodore STARTED The Online Era For Home Computers. Why Hasn't Anybody Acknowledged It?

Lemon64 about 6 months ago

I was responding to the Copy Parties thread and this came to mind as an afterthought, so I figured I'd repost that partially and re-edited here and expound on it because I don't think it's been discussed and is a vital aspect of home computer history...Wh …

Commodore 16, 64, 128, VIC-20, PET • Problematic Game Typed From a Program Listing

MISTerFPGA about 6 months ago

I'm trying to run this game typed from the legendary Finnish MikroBitti magazine. It works with a real VIC-20 of the fellow who had typed it and kindly sent me the files, but with the latest VIC-20 core my IPS Dell loses sync and says it cannot display th …
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Help & Support • AdvSkel65/AdvSkelVic65: progress report

Lemon64 about 6 months ago

Hi! Recently, the floppy holding these codes broke, and the most recent backup of them was a few months old. That cost me a lot of work. Since then, I made a lot of optimizations, such that the multi-part Vic20 binary version's main file is down to …
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Help & Support • Need help identifying component

Lemon64 about 6 months ago

I have several of the "VIC-20 MULTI USE PROJECT TEST CARTRIDGE" boards, and I'd like to use one to build a cartridge that can provide numerous games via EEPROM.I've attached several photos.- The first is of the bare board- The second is of the cartridge t …
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Supermarket • Auctions: Two C64s, VC-1541, C1551

Lemon64 about 7 months ago

I'm have these auctions on Swedish auction site Tradera. I will ship inside the EU.Commodore 64 in original box. Probably has a faulty 6526 CIA chip as some keys don't work.Commodore 64 in original box. Fully working when tested.Commodore VC 1541 Disk Dri …
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PET 8032-32B How many chips should be missing on the m/b?

VCFed about 7 months ago

Finally got my hands on a PET 8032-32B from a friend. He got it from someone else many years ago and from what I've been told it was last working but alas it's dead as a doornail now so am trying to revive it. Before I go down the rabbit hole of troublesh …

Vic-20 printer interface

VCFed about 7 months ago

Hi all, I just bought a "Cardco" Vic-20 printer interface. It seemed to be in pretty good condition, but I just noticed that it's missing the small connector that I think hooks up to the cassette port. (The part that connects to the small wire). …