Denial

I think this is what I was looking for. https://www.tfw8b.com/product/commodore ... k-rom-pcb/
Having also additional 3k of ram would be perfect.

I am not sure in this case about the use of FRAM. It can be written and retains the changes, but depending on how the self-modified code is used, it is possible that at the next start of the game the code is not in the "initial state" as it is supposed to be and the game could have problem...

Probably this one could be a good starting point to test... https://www.pcbway.com/project/sharepro ... 375ab.html

Yes in case of a lot of self-modifying code, cartridge is not the way to go...
Do you know if there is a ram expander project that, just for fun, I can try to modify, replacing some ram with eprom? Maybe to have 32K of rom and using also the additional 3K available still as ram...

So, in theory, it is possible to create a cartridge for a game using all the 35Kbytes... Thanks for the clarification.

I may be wrong. But all the cartridges I saw were in block at $a000 (for auto start) and or $2000 or $6000 but not both. I believe the cartridges were 8k or 16k max.

Hi everyone, I know that the Vic 20 game cartridges were limited to 16k. I am curious… do you know the reason? Why not using the entire memory available like the memory expander cartridges do? Thanks.

@tokra Yes you are right, thanks for noticing, the version I uploaded works only on NTSC. It was supposed to autodetect the right video standard and adjust the position automatically but there is an issue on the Vic 20 port for MPAGD that made this not working (I forgot to test PAL before uploading)...

@huffelduff We have opened beta testing for mpagd Vic 20 to limited audience (viewtopic.php?t=11165). I can send you dm to invite you to it if you are interested.

Hi everyone, another game developed with MPAGD (https://jonathan-cauldwell.itch.io/multi-platform-arcade-game-designer) has been released. You can find it at this address: https://kamaleon70.itch.io/doodlebug-vic-20 and can be downloaded to be used on emulator, real Vic 20 or can be also played dire...

Yes correct. This is a windows only tool.

Great! Thanks.
I have sent you a DM with the instructions on how to join the beta program.

Hi everyone, As I mentioned in other posts we are working on VIC 20 support for MPAGD. MPAGD (Multi Platform Arcade Game Designer - https://jonathan-cauldwell.itch.io/multi-platform-arcade-game-designer) is available since some time and allows the creation of games for multiple platforms (ZX Sinclai...

Thanks.
Regarding the Vic 20 support for MPAGD, it is essentially done but we don't have an official release date. We need to do some testing to check some bugs and we are preparing some documentation on how to use it. It should be ready soon.

Thanks! And more games to come soon thanks to MPAGD!