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There's an open source effort to build one with a Pi Pico: https://github.com/kbeckmann/PicoCart64/tree/develop https://github.com/kbeckmann/PicoCart64/tree/dev
by ThatPlayer 4y ago
There's an open source effort to build one with a Pi Pico: https://github.com/kbeckmann/PicoCart64/tree/develop https://github.com/kbeckmann/PicoCart64/tree/develop
I have no clue how tested it is, and README mentions only up to 2MB ROMs, but it is a start.
- hcs 4y agoLooks like it might work up to 16 MB? # If you have more than 2MB flash, you need to change the flash size by adding -DFLASH_SIZE_MB={one of 2,4,8,16} here. 2MB might be a minimum, as the standard bootcode needs 1MB + 4KB. See my boot_stub or modified 6102 bootcode for ways to bypass the 1MB checksum: https://hcs64.com/n64info.html https://hcs64.com/n64info.html
- ThatPlayer 4y agoI think it's actually a limitation of the Raspberry Pi Pico only having 2MB of flash space while some other RP2040 boards can support up to that 16MB. Reading SD cards with the PIO might be a bit much so the project README mentions the 'next-gen' version with added RAM