C64 ROM: Routine at FD02

FD02: scan for autostart ROM at $8000

Used by the routines at FCE2 and FE47. returns Zb=1 if ROM found
FD02	A2 05	LDX #$05	five characters to test
FD04	BD 0F FD	LDA $FD0F,X	get test character
FD07	DD 03 80	CMP $8003,X	compare wiith byte in ROM space
FD0A	D0 03	BNE $FD0F	exit if no match
FD0C	CA	DEX	decrement index
FD0D	D0 F5	BNE $FD04	loop if not all done
FD0F	60	RTS