Search found 46 matches

by Overdoc
Wed May 07, 2025 4:04 am
Forum: Buy, Sell, and Trade
Topic: WTB/FS/Trade: original VIC 19xx game cartridges
Replies: 4
Views: 337

Re: WTB/FS/Trade: original VIC 19xx game cartridges

Great, thanks!

I sent you a PM.
by Overdoc
Wed May 07, 2025 3:50 am
Forum: Hardware and Tech
Topic: VIC20 and bad characters
Replies: 3
Views: 829

Re: VIC20 and bad characters

If you can get you eprom burner to work (maybe with a LPT to USB adapter?!), then you can also use a 2732 eprom instead of the original character rom. :) All you have to do is switch pins 18 und 21 (A11 and OE/CS2), but otherwise is is pin compatible, so no adapter is needed like you would need with...
by Overdoc
Tue May 06, 2025 7:27 am
Forum: Buy, Sell, and Trade
Topic: WTB/FS/Trade: original VIC 19xx game cartridges
Replies: 4
Views: 337

Re: WTB/FS/Trade: original VIC 19xx game cartridges

Yes, loose is ok.
In fact all of the ones I have for trade/sale are loose as well (sorry, forgot to mention)

Let me know if you have any for trade or sale?

Thanks :)
by Overdoc
Mon Apr 28, 2025 4:55 am
Forum: Buy, Sell, and Trade
Topic: WTB/FS/Trade: original VIC 19xx game cartridges
Replies: 4
Views: 337

WTB/FS/Trade: original VIC 19xx game cartridges

Hi, I am still searching for a couple of VIC 19xx game cartridges: - VIC 1905 Jelly Monsters - VIC 1917 The Count - VIC 1918 Voodoo Castle - VIC 1925 Money Wars - VIC 1928 Home Babysitter - VIC 1931 Clowns - VIC 1933 Speed/Bingo Math - VIC 1935 Commodore Artist - VIC 1937 Sea Wolf - VIC 1939 Star Po...
by Overdoc
Wed Mar 20, 2024 7:46 am
Forum: Buy, Sell, and Trade
Topic: [SOLD]: Commodore VIC20/VC20 set with diskdrive, ramexpansion, printer, datasette, joystick, etc.
Replies: 5
Views: 4717

Re: [FOR SALE]: Commodore VIC20/VC20 set with diskdrive, ramexpansion, printer, datasette, joystick, etc.

Hi again,

Which components of the set would you be interested in?
I don't want to sell the VIC separately, but I could sell you the diskdrive, printer, datasette separately, since I have more than one of them.
Just let me know....thanks :)
by Overdoc
Wed Mar 20, 2024 7:40 am
Forum: General Topics
Topic: modded VIC 20 kernals?
Replies: 16
Views: 10326

Re: modded VIC 20 kernals?

On the C64, it is possible to try out a modified KERNAL without a permanent change on the mainboard by just doing a RAM copy and changing CPU port/PLA action to let the CPU access the RAM under the ROM. Alternatively, some involved circuitry in a cartridge can also replace the KERNAL from the outsi...
by Overdoc
Fri Mar 15, 2024 4:15 am
Forum: General Topics
Topic: modded VIC 20 kernals?
Replies: 16
Views: 10326

Re: modded VIC 20 kernals?

True, running Minimon in $9800..$9FFF certainly is a nice trick. :) However, the disadvantage is that it needs an additional cartridge which is blocking the expansion port, so you will also need an expander. In my case, I already have a kernal/eprom adapter and I can still add 4 more kernals to the ...
by Overdoc
Thu Mar 14, 2024 9:26 am
Forum: General Topics
Topic: modded VIC 20 kernals?
Replies: 16
Views: 10326

Re: modded VIC 20 kernals?

Thanks for the correction, you are right, it is the other way round, the C64 is not compatible with the 1540 drive, but the VIC is compabiel with the 1541 anyway, also without switching it back to 1540 mode.
So there is no need for kernal modding :)
by Overdoc
Thu Mar 14, 2024 7:18 am
Forum: General Topics
Topic: modded VIC 20 kernals?
Replies: 16
Views: 10326

Re: modded VIC 20 kernals?

Well, maybe there are some major differences in the designs of the VIC 20 and C64 kernals, but on a C64 I can switch between Jiffydos, normal system, Dolphindos, Prologicdos, Speeddos, TurboTape Kernal, etc, etc. without the computer crashing, even though there is ofcourse functionality removed in a...
by Overdoc
Thu Mar 14, 2024 2:26 am
Forum: General Topics
Topic: modded VIC 20 kernals?
Replies: 16
Views: 10326

modded VIC 20 kernals?

I wonder if there are any modded VIC 20 kernals around? Apart from Jiffydos as well as the Dead-Test and Ram-Test kernals (which are for diagnostics, only) I am not aware of any others? I am thinking about some mods like a built-in memory monitor (like the one from C64's Dolphindos?), or a built-in ...
by Overdoc
Thu Mar 14, 2024 2:07 am
Forum: Buy, Sell, and Trade
Topic: [SOLD]: Commodore VIC20/VC20 set with diskdrive, ramexpansion, printer, datasette, joystick, etc.
Replies: 5
Views: 4717

Re: [FOR SALE]: Commodore VIC20/VC20 set with diskdrive, ramexpansion, printer, datasette, joystick, etc.

Not at this time. I would really like to sell it all in one set, but if no buyer comes up within a couple of weeks or months, then I might also consider ripping it apart and selling the components individually. (which would perhaps even bring me more $ for it, but also more work, and a lesser good f...
by Overdoc
Sun Mar 10, 2024 1:06 pm
Forum: Buy, Sell, and Trade
Topic: [SOLD]: Commodore VIC20/VC20 set with diskdrive, ramexpansion, printer, datasette, joystick, etc.
Replies: 5
Views: 4717

[SOLD]: Commodore VIC20/VC20 set with diskdrive, ramexpansion, printer, datasette, joystick, etc.

I am selling a beautiful, complete VC20 (German name for VIC20) set, which consists of: Commodore VC20 Computer in nice working condition, with power supply, video/audio cable, and manual Commodore VC1541 Floppy in white 1540 style case the drive is fully VC20 compatible because it has an original 1...
by Overdoc
Wed Jan 24, 2024 10:00 am
Forum: Games
Topic: looking for 8KB game cartridges with joystick support
Replies: 3
Views: 4790

Re: looking for 8KB game cartridges with joystick support

Thanks! I know this list (FUNET/Zimmers), but not sure which of them support a joystick? Only tried Radar Rat Race, which does, and (I think it was) Sky is Falling, which does not? I would like to make several Multi-Carts, two with 8x 8k games, and two with 4x 16k games. Each of both with joystick s...
by Overdoc
Wed Jan 24, 2024 8:33 am
Forum: Games
Topic: looking for 8KB game cartridges with joystick support
Replies: 3
Views: 4790

looking for 8KB game cartridges with joystick support

Hello,

I have a 'Multi-Cartridge' (using a 64KB 27C512 Eprom), which I would like to feed with 8x 8KB VIC games, which support joystick input for playing.
Is there maybe a list with all known 8KB cartridges for the VIC, which also shows if they do support a joystick or not?

Thanks!