gistfile1.txt

main:          
				LDA		#$07			; load byte mask for joystick input
				ORA		$1858			; map mask
				STA		$1858			; write byte
				
loop:			LDA		#$07			; load byte mask for LED output
				ORA		$000b			; map mask
				STA		$000b			; write byte
				
				LDA		$000c			; load port G
				STA		$000a			; write port G to port F
				STA		$00c0			; save to $c0
				
				JMP		loop			; loop