;; https://csdb.dk/forums/index.php?roomid=11&topicid=5776
	;; Clear the CIA1 interrupt flag, and then fall through to
	;; the return from interrupt routine

clear_cia1_interrupt_flag_and_return_from_interrupt:

	;; We have free choice of LDA, LDX or LDY to achieve this goal
	;; in 3 bytes and minimum cycles. Thus we randomly choose LDY.
	LDY $DC0D

	;; FALL THROUGH to $EA81