useful_links

Program AVr using RaspberryPI
https://learn.adafruit.com/program-an-avr-or-arduino-using-raspberry-pi-gpio-pins/installation
Assembler AVR Instructions
https://www.microchip.com/webdoc/avrassembler/avrassembler.wb_instruction_list.html
Assembler tutorial AVR
https://www.instructables.com/id/Command-Line-Assembly-Language-Programming-for-Ard/
Attiny13 blink delay
https://blog.podkalicki.com/attiny13-blinky-with-delay-function-assembler-version/