AVR emulator

This program emulates an 8-bit AVR microcontroller. It supports the trivial C "Hello World!" program.

Given some C++ source.

```cpp

include

include

int main() { DDRB |= _BV(PB6);

for(uint8t i=0; i<5; i++) { PORTB |= _BV(PB6); _delayms(500);

PORTB &= ~_BV(PB6);
_delay_ms(500);

}

return 0; } ```

```bash

Generate an ELF object file for the Atmega328p

avr-g++ helloworld.c -DFCPU=8000000 -mmcu=atmega328p -O2 -o hello_world.o

Generate a raw binary

avr-objcopy -I elf32-avr -O binary helloworld.o helloworld.bin

cargo run hello_world.bin ```