ATTiny2313 SID6581 emulator

ATTiny2313 has only 2K FLASH memory and only 128B SRAM but I still managed to push SID emulation inside. The emulation is far from perfect but works satisfactorily. Serial port settings: 115200,8,N,1,N
The data is sent in RV pairs where R is the register and V is the value to be written into register.

Electronic schematic


attiny2313_sid_emulator.hex  HEX file to burn into ATTiny2313 microcontroller
   Fuses: H=0xDB L=0xEF

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