It used Microsoft Basic (unlicensed) which came from the Apple II variant! It had impotent Apple II graphics commands from such. Unfortunately they did not add commands to directly support the NES / Famicom graphics hardware.
It used Microsoft Basic (unlicensed) which came from the Apple II variant! It had impotent Apple II graphics commands from such. Unfortunately they did not add commands to directly support the NES / Famicom graphics hardware.