alloncm

Might be connected to the HBlank DMA and the procedures at bank 65 addresses 0x423A and 0x424C

This the hdma function located at 0x4209:65 ```asm undefined do_hdma_transfer(u_short source, u_short dest, undefined A:1 u_short HL:2 source u_short DE:2 dest byte C:1 len Actual len, this method will adapt...

Another interesting project with sound - https://www.instructables.com/Apple-Pocket-Pi-3D-Printable-Retro-Handheld-Games-/